4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or https://opensource.org/licenses/CDDL-1.0.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2011, 2019 by Delphix. All rights reserved.
25 * Copyright (c) 2014 Integros [integros.com]
26 * Copyright 2016 Nexenta Systems, Inc.
27 * Copyright (c) 2017, 2018 Lawrence Livermore National Security, LLC.
28 * Copyright (c) 2015, 2017, Intel Corporation.
29 * Copyright (c) 2020 Datto Inc.
30 * Copyright (c) 2020, The FreeBSD Foundation [1]
32 * [1] Portions of this software were developed by Allan Jude
33 * under sponsorship from the FreeBSD Foundation.
34 * Copyright (c) 2021 Allan Jude
35 * Copyright (c) 2021 Toomas Soome <tsoome@me.com>
43 #include <openssl/evp.h>
44 #include <sys/zfs_context.h>
46 #include <sys/spa_impl.h>
49 #include <sys/fs/zfs.h>
50 #include <sys/zfs_znode.h>
51 #include <sys/zfs_sa.h>
53 #include <sys/sa_impl.h>
55 #include <sys/vdev_impl.h>
56 #include <sys/metaslab_impl.h>
57 #include <sys/dmu_objset.h>
58 #include <sys/dsl_dir.h>
59 #include <sys/dsl_dataset.h>
60 #include <sys/dsl_pool.h>
61 #include <sys/dsl_bookmark.h>
64 #include <sys/zil_impl.h>
66 #include <sys/resource.h>
67 #include <sys/dmu_send.h>
68 #include <sys/dmu_traverse.h>
69 #include <sys/zio_checksum.h>
70 #include <sys/zio_compress.h>
71 #include <sys/zfs_fuid.h>
73 #include <sys/arc_impl.h>
75 #include <sys/zfeature.h>
77 #include <sys/blkptr.h>
78 #include <sys/dsl_crypt.h>
79 #include <sys/dsl_scan.h>
80 #include <sys/btree.h>
81 #include <zfs_comutil.h>
82 #include <sys/zstd/zstd.h>
84 #include <libnvpair.h>
89 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
90 zio_compress_table[(idx)].ci_name : "UNKNOWN")
91 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
92 zio_checksum_table[(idx)].ci_name : "UNKNOWN")
93 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \
94 (idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA ? \
96 (idx) == DMU_OTN_UINT64_DATA || (idx) == DMU_OTN_UINT64_METADATA ? \
97 DMU_OT_UINT64_OTHER : DMU_OT_NUMTYPES)
99 /* Some platforms require part of inode IDs to be remapped */
101 #define ZDB_MAP_OBJECT_ID(obj) INO_XNUTOZFS(obj, 2)
103 #define ZDB_MAP_OBJECT_ID(obj) (obj)
107 zdb_ot_name(dmu_object_type_t type
)
109 if (type
< DMU_OT_NUMTYPES
)
110 return (dmu_ot
[type
].ot_name
);
111 else if ((type
& DMU_OT_NEWTYPE
) &&
112 ((type
& DMU_OT_BYTESWAP_MASK
) < DMU_BSWAP_NUMFUNCS
))
113 return (dmu_ot_byteswap
[type
& DMU_OT_BYTESWAP_MASK
].ob_name
);
118 extern int reference_tracking_enable
;
119 extern int zfs_recover
;
120 extern unsigned long zfs_arc_meta_min
, zfs_arc_meta_limit
;
121 extern uint_t zfs_vdev_async_read_max_active
;
122 extern boolean_t spa_load_verify_dryrun
;
123 extern boolean_t spa_mode_readable_spacemaps
;
124 extern uint_t zfs_reconstruct_indirect_combinations_max
;
125 extern uint_t zfs_btree_verify_intensity
;
127 static const char cmdname
[] = "zdb";
128 uint8_t dump_opt
[256];
130 typedef void object_viewer_t(objset_t
*, uint64_t, void *data
, size_t size
);
132 static uint64_t *zopt_metaslab
= NULL
;
133 static unsigned zopt_metaslab_args
= 0;
135 typedef struct zopt_object_range
{
136 uint64_t zor_obj_start
;
137 uint64_t zor_obj_end
;
139 } zopt_object_range_t
;
141 static zopt_object_range_t
*zopt_object_ranges
= NULL
;
142 static unsigned zopt_object_args
= 0;
144 static int flagbits
[256];
146 #define ZOR_FLAG_PLAIN_FILE 0x0001
147 #define ZOR_FLAG_DIRECTORY 0x0002
148 #define ZOR_FLAG_SPACE_MAP 0x0004
149 #define ZOR_FLAG_ZAP 0x0008
150 #define ZOR_FLAG_ALL_TYPES -1
151 #define ZOR_SUPPORTED_FLAGS (ZOR_FLAG_PLAIN_FILE | \
152 ZOR_FLAG_DIRECTORY | \
153 ZOR_FLAG_SPACE_MAP | \
156 #define ZDB_FLAG_CHECKSUM 0x0001
157 #define ZDB_FLAG_DECOMPRESS 0x0002
158 #define ZDB_FLAG_BSWAP 0x0004
159 #define ZDB_FLAG_GBH 0x0008
160 #define ZDB_FLAG_INDIRECT 0x0010
161 #define ZDB_FLAG_RAW 0x0020
162 #define ZDB_FLAG_PRINT_BLKPTR 0x0040
163 #define ZDB_FLAG_VERBOSE 0x0080
165 static uint64_t max_inflight_bytes
= 256 * 1024 * 1024; /* 256MB */
166 static int leaked_objects
= 0;
167 static range_tree_t
*mos_refd_objs
;
169 static void snprintf_blkptr_compact(char *, size_t, const blkptr_t
*,
171 static void mos_obj_refd(uint64_t);
172 static void mos_obj_refd_multiple(uint64_t);
173 static int dump_bpobj_cb(void *arg
, const blkptr_t
*bp
, boolean_t free
,
176 typedef struct sublivelist_verify
{
177 /* FREE's that haven't yet matched to an ALLOC, in one sub-livelist */
180 /* ALLOC's without a matching FREE, accumulates across sub-livelists */
181 zfs_btree_t sv_leftover
;
182 } sublivelist_verify_t
;
185 livelist_compare(const void *larg
, const void *rarg
)
187 const blkptr_t
*l
= larg
;
188 const blkptr_t
*r
= rarg
;
190 /* Sort them according to dva[0] */
191 uint64_t l_dva0_vdev
, r_dva0_vdev
;
192 l_dva0_vdev
= DVA_GET_VDEV(&l
->blk_dva
[0]);
193 r_dva0_vdev
= DVA_GET_VDEV(&r
->blk_dva
[0]);
194 if (l_dva0_vdev
< r_dva0_vdev
)
196 else if (l_dva0_vdev
> r_dva0_vdev
)
199 /* if vdevs are equal, sort by offsets. */
200 uint64_t l_dva0_offset
;
201 uint64_t r_dva0_offset
;
202 l_dva0_offset
= DVA_GET_OFFSET(&l
->blk_dva
[0]);
203 r_dva0_offset
= DVA_GET_OFFSET(&r
->blk_dva
[0]);
204 if (l_dva0_offset
< r_dva0_offset
) {
206 } else if (l_dva0_offset
> r_dva0_offset
) {
211 * Since we're storing blkptrs without cancelling FREE/ALLOC pairs,
212 * it's possible the offsets are equal. In that case, sort by txg
214 if (l
->blk_birth
< r
->blk_birth
) {
216 } else if (l
->blk_birth
> r
->blk_birth
) {
222 typedef struct sublivelist_verify_block
{
226 * We need this to check if the block marked as allocated
227 * in the livelist was freed (and potentially reallocated)
228 * in the metaslab spacemaps at a later TXG.
230 uint64_t svb_allocated_txg
;
231 } sublivelist_verify_block_t
;
233 static void zdb_print_blkptr(const blkptr_t
*bp
, int flags
);
235 typedef struct sublivelist_verify_block_refcnt
{
236 /* block pointer entry in livelist being verified */
240 * Refcount gets incremented to 1 when we encounter the first
241 * FREE entry for the svfbr block pointer and a node for it
242 * is created in our ZDB verification/tracking metadata.
244 * As we encounter more FREE entries we increment this counter
245 * and similarly decrement it whenever we find the respective
246 * ALLOC entries for this block.
248 * When the refcount gets to 0 it means that all the FREE and
249 * ALLOC entries of this block have paired up and we no longer
250 * need to track it in our verification logic (e.g. the node
251 * containing this struct in our verification data structure
254 * [refer to sublivelist_verify_blkptr() for the actual code]
256 uint32_t svbr_refcnt
;
257 } sublivelist_verify_block_refcnt_t
;
260 sublivelist_block_refcnt_compare(const void *larg
, const void *rarg
)
262 const sublivelist_verify_block_refcnt_t
*l
= larg
;
263 const sublivelist_verify_block_refcnt_t
*r
= rarg
;
264 return (livelist_compare(&l
->svbr_blk
, &r
->svbr_blk
));
268 sublivelist_verify_blkptr(void *arg
, const blkptr_t
*bp
, boolean_t free
,
271 ASSERT3P(tx
, ==, NULL
);
272 struct sublivelist_verify
*sv
= arg
;
273 sublivelist_verify_block_refcnt_t current
= {
277 * Start with 1 in case this is the first free entry.
278 * This field is not used for our B-Tree comparisons
284 zfs_btree_index_t where
;
285 sublivelist_verify_block_refcnt_t
*pair
=
286 zfs_btree_find(&sv
->sv_pair
, ¤t
, &where
);
289 /* first free entry for this block pointer */
290 zfs_btree_add(&sv
->sv_pair
, ¤t
);
296 /* block that is currently marked as allocated */
297 for (int i
= 0; i
< SPA_DVAS_PER_BP
; i
++) {
298 if (DVA_IS_EMPTY(&bp
->blk_dva
[i
]))
300 sublivelist_verify_block_t svb
= {
301 .svb_dva
= bp
->blk_dva
[i
],
302 .svb_allocated_txg
= bp
->blk_birth
305 if (zfs_btree_find(&sv
->sv_leftover
, &svb
,
307 zfs_btree_add_idx(&sv
->sv_leftover
,
312 /* alloc matches a free entry */
314 if (pair
->svbr_refcnt
== 0) {
315 /* all allocs and frees have been matched */
316 zfs_btree_remove_idx(&sv
->sv_pair
, &where
);
325 sublivelist_verify_func(void *args
, dsl_deadlist_entry_t
*dle
)
328 struct sublivelist_verify
*sv
= args
;
330 zfs_btree_create(&sv
->sv_pair
, sublivelist_block_refcnt_compare
,
331 sizeof (sublivelist_verify_block_refcnt_t
));
333 err
= bpobj_iterate_nofree(&dle
->dle_bpobj
, sublivelist_verify_blkptr
,
336 sublivelist_verify_block_refcnt_t
*e
;
337 zfs_btree_index_t
*cookie
= NULL
;
338 while ((e
= zfs_btree_destroy_nodes(&sv
->sv_pair
, &cookie
)) != NULL
) {
339 char blkbuf
[BP_SPRINTF_LEN
];
340 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
),
341 &e
->svbr_blk
, B_TRUE
);
342 (void) printf("\tERROR: %d unmatched FREE(s): %s\n",
343 e
->svbr_refcnt
, blkbuf
);
345 zfs_btree_destroy(&sv
->sv_pair
);
351 livelist_block_compare(const void *larg
, const void *rarg
)
353 const sublivelist_verify_block_t
*l
= larg
;
354 const sublivelist_verify_block_t
*r
= rarg
;
356 if (DVA_GET_VDEV(&l
->svb_dva
) < DVA_GET_VDEV(&r
->svb_dva
))
358 else if (DVA_GET_VDEV(&l
->svb_dva
) > DVA_GET_VDEV(&r
->svb_dva
))
361 if (DVA_GET_OFFSET(&l
->svb_dva
) < DVA_GET_OFFSET(&r
->svb_dva
))
363 else if (DVA_GET_OFFSET(&l
->svb_dva
) > DVA_GET_OFFSET(&r
->svb_dva
))
366 if (DVA_GET_ASIZE(&l
->svb_dva
) < DVA_GET_ASIZE(&r
->svb_dva
))
368 else if (DVA_GET_ASIZE(&l
->svb_dva
) > DVA_GET_ASIZE(&r
->svb_dva
))
375 * Check for errors in a livelist while tracking all unfreed ALLOCs in the
376 * sublivelist_verify_t: sv->sv_leftover
379 livelist_verify(dsl_deadlist_t
*dl
, void *arg
)
381 sublivelist_verify_t
*sv
= arg
;
382 dsl_deadlist_iterate(dl
, sublivelist_verify_func
, sv
);
386 * Check for errors in the livelist entry and discard the intermediary
390 sublivelist_verify_lightweight(void *args
, dsl_deadlist_entry_t
*dle
)
393 sublivelist_verify_t sv
;
394 zfs_btree_create(&sv
.sv_leftover
, livelist_block_compare
,
395 sizeof (sublivelist_verify_block_t
));
396 int err
= sublivelist_verify_func(&sv
, dle
);
397 zfs_btree_clear(&sv
.sv_leftover
);
398 zfs_btree_destroy(&sv
.sv_leftover
);
402 typedef struct metaslab_verify
{
404 * Tree containing all the leftover ALLOCs from the livelists
405 * that are part of this metaslab.
407 zfs_btree_t mv_livelist_allocs
;
410 * Metaslab information.
418 * What's currently allocated for this metaslab.
420 range_tree_t
*mv_allocated
;
423 typedef void ll_iter_t(dsl_deadlist_t
*ll
, void *arg
);
425 typedef int (*zdb_log_sm_cb_t
)(spa_t
*spa
, space_map_entry_t
*sme
, uint64_t txg
,
428 typedef struct unflushed_iter_cb_arg
{
432 zdb_log_sm_cb_t uic_cb
;
433 } unflushed_iter_cb_arg_t
;
436 iterate_through_spacemap_logs_cb(space_map_entry_t
*sme
, void *arg
)
438 unflushed_iter_cb_arg_t
*uic
= arg
;
439 return (uic
->uic_cb(uic
->uic_spa
, sme
, uic
->uic_txg
, uic
->uic_arg
));
443 iterate_through_spacemap_logs(spa_t
*spa
, zdb_log_sm_cb_t cb
, void *arg
)
445 if (!spa_feature_is_active(spa
, SPA_FEATURE_LOG_SPACEMAP
))
448 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
449 for (spa_log_sm_t
*sls
= avl_first(&spa
->spa_sm_logs_by_txg
);
450 sls
; sls
= AVL_NEXT(&spa
->spa_sm_logs_by_txg
, sls
)) {
451 space_map_t
*sm
= NULL
;
452 VERIFY0(space_map_open(&sm
, spa_meta_objset(spa
),
453 sls
->sls_sm_obj
, 0, UINT64_MAX
, SPA_MINBLOCKSHIFT
));
455 unflushed_iter_cb_arg_t uic
= {
457 .uic_txg
= sls
->sls_txg
,
461 VERIFY0(space_map_iterate(sm
, space_map_length(sm
),
462 iterate_through_spacemap_logs_cb
, &uic
));
465 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
469 verify_livelist_allocs(metaslab_verify_t
*mv
, uint64_t txg
,
470 uint64_t offset
, uint64_t size
)
472 sublivelist_verify_block_t svb
= {{{0}}};
473 DVA_SET_VDEV(&svb
.svb_dva
, mv
->mv_vdid
);
474 DVA_SET_OFFSET(&svb
.svb_dva
, offset
);
475 DVA_SET_ASIZE(&svb
.svb_dva
, size
);
476 zfs_btree_index_t where
;
477 uint64_t end_offset
= offset
+ size
;
480 * Look for an exact match for spacemap entry in the livelist entries.
481 * Then, look for other livelist entries that fall within the range
482 * of the spacemap entry as it may have been condensed
484 sublivelist_verify_block_t
*found
=
485 zfs_btree_find(&mv
->mv_livelist_allocs
, &svb
, &where
);
487 found
= zfs_btree_next(&mv
->mv_livelist_allocs
, &where
, &where
);
489 for (; found
!= NULL
&& DVA_GET_VDEV(&found
->svb_dva
) == mv
->mv_vdid
&&
490 DVA_GET_OFFSET(&found
->svb_dva
) < end_offset
;
491 found
= zfs_btree_next(&mv
->mv_livelist_allocs
, &where
, &where
)) {
492 if (found
->svb_allocated_txg
<= txg
) {
493 (void) printf("ERROR: Livelist ALLOC [%llx:%llx] "
494 "from TXG %llx FREED at TXG %llx\n",
495 (u_longlong_t
)DVA_GET_OFFSET(&found
->svb_dva
),
496 (u_longlong_t
)DVA_GET_ASIZE(&found
->svb_dva
),
497 (u_longlong_t
)found
->svb_allocated_txg
,
504 metaslab_spacemap_validation_cb(space_map_entry_t
*sme
, void *arg
)
506 metaslab_verify_t
*mv
= arg
;
507 uint64_t offset
= sme
->sme_offset
;
508 uint64_t size
= sme
->sme_run
;
509 uint64_t txg
= sme
->sme_txg
;
511 if (sme
->sme_type
== SM_ALLOC
) {
512 if (range_tree_contains(mv
->mv_allocated
,
514 (void) printf("ERROR: DOUBLE ALLOC: "
516 "%llu:%llu LOG_SM\n",
517 (u_longlong_t
)txg
, (u_longlong_t
)offset
,
518 (u_longlong_t
)size
, (u_longlong_t
)mv
->mv_vdid
,
519 (u_longlong_t
)mv
->mv_msid
);
521 range_tree_add(mv
->mv_allocated
,
525 if (!range_tree_contains(mv
->mv_allocated
,
527 (void) printf("ERROR: DOUBLE FREE: "
529 "%llu:%llu LOG_SM\n",
530 (u_longlong_t
)txg
, (u_longlong_t
)offset
,
531 (u_longlong_t
)size
, (u_longlong_t
)mv
->mv_vdid
,
532 (u_longlong_t
)mv
->mv_msid
);
534 range_tree_remove(mv
->mv_allocated
,
539 if (sme
->sme_type
!= SM_ALLOC
) {
541 * If something is freed in the spacemap, verify that
542 * it is not listed as allocated in the livelist.
544 verify_livelist_allocs(mv
, txg
, offset
, size
);
550 spacemap_check_sm_log_cb(spa_t
*spa
, space_map_entry_t
*sme
,
551 uint64_t txg
, void *arg
)
553 metaslab_verify_t
*mv
= arg
;
554 uint64_t offset
= sme
->sme_offset
;
555 uint64_t vdev_id
= sme
->sme_vdev
;
557 vdev_t
*vd
= vdev_lookup_top(spa
, vdev_id
);
559 /* skip indirect vdevs */
560 if (!vdev_is_concrete(vd
))
563 if (vdev_id
!= mv
->mv_vdid
)
566 metaslab_t
*ms
= vd
->vdev_ms
[offset
>> vd
->vdev_ms_shift
];
567 if (ms
->ms_id
!= mv
->mv_msid
)
570 if (txg
< metaslab_unflushed_txg(ms
))
574 ASSERT3U(txg
, ==, sme
->sme_txg
);
575 return (metaslab_spacemap_validation_cb(sme
, mv
));
579 spacemap_check_sm_log(spa_t
*spa
, metaslab_verify_t
*mv
)
581 iterate_through_spacemap_logs(spa
, spacemap_check_sm_log_cb
, mv
);
585 spacemap_check_ms_sm(space_map_t
*sm
, metaslab_verify_t
*mv
)
590 VERIFY0(space_map_iterate(sm
, space_map_length(sm
),
591 metaslab_spacemap_validation_cb
, mv
));
594 static void iterate_deleted_livelists(spa_t
*spa
, ll_iter_t func
, void *arg
);
597 * Transfer blocks from sv_leftover tree to the mv_livelist_allocs if
598 * they are part of that metaslab (mv_msid).
601 mv_populate_livelist_allocs(metaslab_verify_t
*mv
, sublivelist_verify_t
*sv
)
603 zfs_btree_index_t where
;
604 sublivelist_verify_block_t
*svb
;
605 ASSERT3U(zfs_btree_numnodes(&mv
->mv_livelist_allocs
), ==, 0);
606 for (svb
= zfs_btree_first(&sv
->sv_leftover
, &where
);
608 svb
= zfs_btree_next(&sv
->sv_leftover
, &where
, &where
)) {
609 if (DVA_GET_VDEV(&svb
->svb_dva
) != mv
->mv_vdid
)
612 if (DVA_GET_OFFSET(&svb
->svb_dva
) < mv
->mv_start
&&
613 (DVA_GET_OFFSET(&svb
->svb_dva
) +
614 DVA_GET_ASIZE(&svb
->svb_dva
)) > mv
->mv_start
) {
615 (void) printf("ERROR: Found block that crosses "
616 "metaslab boundary: <%llu:%llx:%llx>\n",
617 (u_longlong_t
)DVA_GET_VDEV(&svb
->svb_dva
),
618 (u_longlong_t
)DVA_GET_OFFSET(&svb
->svb_dva
),
619 (u_longlong_t
)DVA_GET_ASIZE(&svb
->svb_dva
));
623 if (DVA_GET_OFFSET(&svb
->svb_dva
) < mv
->mv_start
)
626 if (DVA_GET_OFFSET(&svb
->svb_dva
) >= mv
->mv_end
)
629 if ((DVA_GET_OFFSET(&svb
->svb_dva
) +
630 DVA_GET_ASIZE(&svb
->svb_dva
)) > mv
->mv_end
) {
631 (void) printf("ERROR: Found block that crosses "
632 "metaslab boundary: <%llu:%llx:%llx>\n",
633 (u_longlong_t
)DVA_GET_VDEV(&svb
->svb_dva
),
634 (u_longlong_t
)DVA_GET_OFFSET(&svb
->svb_dva
),
635 (u_longlong_t
)DVA_GET_ASIZE(&svb
->svb_dva
));
639 zfs_btree_add(&mv
->mv_livelist_allocs
, svb
);
642 for (svb
= zfs_btree_first(&mv
->mv_livelist_allocs
, &where
);
644 svb
= zfs_btree_next(&mv
->mv_livelist_allocs
, &where
, &where
)) {
645 zfs_btree_remove(&sv
->sv_leftover
, svb
);
651 * Iterate through all the sublivelists and:
652 * - report leftover frees (**)
653 * - record leftover ALLOCs together with their TXG [see Cross Check]
655 * (**) Note: Double ALLOCs are valid in datasets that have dedup
656 * enabled. Similarly double FREEs are allowed as well but
657 * only if they pair up with a corresponding ALLOC entry once
658 * we our done with our sublivelist iteration.
662 * - iterate over spacemap and then the metaslab's entries in the
663 * spacemap log, then report any double FREEs and ALLOCs (do not
667 * After finishing the Livelist Check phase and while being in the
668 * Spacemap Check phase, we find all the recorded leftover ALLOCs
669 * of the livelist check that are part of the metaslab that we are
670 * currently looking at in the Spacemap Check. We report any entries
671 * that are marked as ALLOCs in the livelists but have been actually
672 * freed (and potentially allocated again) after their TXG stamp in
673 * the spacemaps. Also report any ALLOCs from the livelists that
674 * belong to indirect vdevs (e.g. their vdev completed removal).
676 * Note that this will miss Log Spacemap entries that cancelled each other
677 * out before being flushed to the metaslab, so we are not guaranteed
678 * to match all erroneous ALLOCs.
681 livelist_metaslab_validate(spa_t
*spa
)
683 (void) printf("Verifying deleted livelist entries\n");
685 sublivelist_verify_t sv
;
686 zfs_btree_create(&sv
.sv_leftover
, livelist_block_compare
,
687 sizeof (sublivelist_verify_block_t
));
688 iterate_deleted_livelists(spa
, livelist_verify
, &sv
);
690 (void) printf("Verifying metaslab entries\n");
691 vdev_t
*rvd
= spa
->spa_root_vdev
;
692 for (uint64_t c
= 0; c
< rvd
->vdev_children
; c
++) {
693 vdev_t
*vd
= rvd
->vdev_child
[c
];
695 if (!vdev_is_concrete(vd
))
698 for (uint64_t mid
= 0; mid
< vd
->vdev_ms_count
; mid
++) {
699 metaslab_t
*m
= vd
->vdev_ms
[mid
];
701 (void) fprintf(stderr
,
702 "\rverifying concrete vdev %llu, "
703 "metaslab %llu of %llu ...",
704 (longlong_t
)vd
->vdev_id
,
706 (longlong_t
)vd
->vdev_ms_count
);
708 uint64_t shift
, start
;
709 range_seg_type_t type
=
710 metaslab_calculate_range_tree_type(vd
, m
,
712 metaslab_verify_t mv
;
713 mv
.mv_allocated
= range_tree_create(NULL
,
714 type
, NULL
, start
, shift
);
715 mv
.mv_vdid
= vd
->vdev_id
;
716 mv
.mv_msid
= m
->ms_id
;
717 mv
.mv_start
= m
->ms_start
;
718 mv
.mv_end
= m
->ms_start
+ m
->ms_size
;
719 zfs_btree_create(&mv
.mv_livelist_allocs
,
720 livelist_block_compare
,
721 sizeof (sublivelist_verify_block_t
));
723 mv_populate_livelist_allocs(&mv
, &sv
);
725 spacemap_check_ms_sm(m
->ms_sm
, &mv
);
726 spacemap_check_sm_log(spa
, &mv
);
728 range_tree_vacate(mv
.mv_allocated
, NULL
, NULL
);
729 range_tree_destroy(mv
.mv_allocated
);
730 zfs_btree_clear(&mv
.mv_livelist_allocs
);
731 zfs_btree_destroy(&mv
.mv_livelist_allocs
);
734 (void) fprintf(stderr
, "\n");
737 * If there are any segments in the leftover tree after we walked
738 * through all the metaslabs in the concrete vdevs then this means
739 * that we have segments in the livelists that belong to indirect
740 * vdevs and are marked as allocated.
742 if (zfs_btree_numnodes(&sv
.sv_leftover
) == 0) {
743 zfs_btree_destroy(&sv
.sv_leftover
);
746 (void) printf("ERROR: Found livelist blocks marked as allocated "
747 "for indirect vdevs:\n");
749 zfs_btree_index_t
*where
= NULL
;
750 sublivelist_verify_block_t
*svb
;
751 while ((svb
= zfs_btree_destroy_nodes(&sv
.sv_leftover
, &where
)) !=
753 int vdev_id
= DVA_GET_VDEV(&svb
->svb_dva
);
754 ASSERT3U(vdev_id
, <, rvd
->vdev_children
);
755 vdev_t
*vd
= rvd
->vdev_child
[vdev_id
];
756 ASSERT(!vdev_is_concrete(vd
));
757 (void) printf("<%d:%llx:%llx> TXG %llx\n",
758 vdev_id
, (u_longlong_t
)DVA_GET_OFFSET(&svb
->svb_dva
),
759 (u_longlong_t
)DVA_GET_ASIZE(&svb
->svb_dva
),
760 (u_longlong_t
)svb
->svb_allocated_txg
);
763 zfs_btree_destroy(&sv
.sv_leftover
);
767 * These libumem hooks provide a reasonable set of defaults for the allocator's
768 * debugging facilities.
771 _umem_debug_init(void)
773 return ("default,verbose"); /* $UMEM_DEBUG setting */
777 _umem_logging_init(void)
779 return ("fail,contents"); /* $UMEM_LOGGING setting */
785 (void) fprintf(stderr
,
786 "Usage:\t%s [-AbcdDFGhikLMPsvXy] [-e [-V] [-p <path> ...]] "
787 "[-I <inflight I/Os>]\n"
788 "\t\t[-o <var>=<value>]... [-t <txg>] [-U <cache>] [-x <dumpdir>]\n"
790 "\t\t[<poolname>[/<dataset | objset id>] [<object | range> ...]]\n"
791 "\t%s [-AdiPv] [-e [-V] [-p <path> ...]] [-U <cache>] [-K <key>]\n"
792 "\t\t[<poolname>[/<dataset | objset id>] [<object | range> ...]\n"
793 "\t%s [-v] <bookmark>\n"
794 "\t%s -C [-A] [-U <cache>]\n"
795 "\t%s -l [-Aqu] <device>\n"
796 "\t%s -m [-AFLPX] [-e [-V] [-p <path> ...]] [-t <txg>] "
797 "[-U <cache>]\n\t\t<poolname> [<vdev> [<metaslab> ...]]\n"
798 "\t%s -O [-K <key>] <dataset> <path>\n"
799 "\t%s -r [-K <key>] <dataset> <path> <destination>\n"
800 "\t%s -R [-A] [-e [-V] [-p <path> ...]] [-U <cache>]\n"
801 "\t\t<poolname> <vdev>:<offset>:<size>[:<flags>]\n"
802 "\t%s -E [-A] word0:word1:...:word15\n"
803 "\t%s -S [-AP] [-e [-V] [-p <path> ...]] [-U <cache>] "
805 cmdname
, cmdname
, cmdname
, cmdname
, cmdname
, cmdname
, cmdname
,
806 cmdname
, cmdname
, cmdname
, cmdname
);
808 (void) fprintf(stderr
, " Dataset name must include at least one "
809 "separator character '/' or '@'\n");
810 (void) fprintf(stderr
, " If dataset name is specified, only that "
811 "dataset is dumped\n");
812 (void) fprintf(stderr
, " If object numbers or object number "
813 "ranges are specified, only those\n"
814 " objects or ranges are dumped.\n\n");
815 (void) fprintf(stderr
,
816 " Object ranges take the form <start>:<end>[:<flags>]\n"
817 " start Starting object number\n"
818 " end Ending object number, or -1 for no upper bound\n"
819 " flags Optional flags to select object types:\n"
820 " A All objects (this is the default)\n"
821 " d ZFS directories\n"
823 " m SPA space maps\n"
825 " - Negate effect of next flag\n\n");
826 (void) fprintf(stderr
, " Options to control amount of output:\n");
827 (void) fprintf(stderr
, " -b --block-stats "
828 "block statistics\n");
829 (void) fprintf(stderr
, " -c --checksum "
830 "checksum all metadata (twice for all data) blocks\n");
831 (void) fprintf(stderr
, " -C --config "
832 "config (or cachefile if alone)\n");
833 (void) fprintf(stderr
, " -d --datasets "
835 (void) fprintf(stderr
, " -D --dedup-stats "
836 "dedup statistics\n");
837 (void) fprintf(stderr
, " -E --embedded-block-pointer=INTEGER\n"
838 " decode and display block "
839 "from an embedded block pointer\n");
840 (void) fprintf(stderr
, " -h --history "
842 (void) fprintf(stderr
, " -i --intent-logs "
844 (void) fprintf(stderr
, " -l --label "
845 "read label contents\n");
846 (void) fprintf(stderr
, " -k --checkpointed-state "
847 "examine the checkpointed state of the pool\n");
848 (void) fprintf(stderr
, " -L --disable-leak-tracking "
849 "disable leak tracking (do not load spacemaps)\n");
850 (void) fprintf(stderr
, " -m --metaslabs "
852 (void) fprintf(stderr
, " -M --metaslab-groups "
853 "metaslab groups\n");
854 (void) fprintf(stderr
, " -O --object-lookups "
855 "perform object lookups by path\n");
856 (void) fprintf(stderr
, " -r --copy-object "
857 "copy an object by path to file\n");
858 (void) fprintf(stderr
, " -R --read-block "
859 "read and display block from a device\n");
860 (void) fprintf(stderr
, " -s --io-stats "
861 "report stats on zdb's I/O\n");
862 (void) fprintf(stderr
, " -S --simulate-dedup "
863 "simulate dedup to measure effect\n");
864 (void) fprintf(stderr
, " -v --verbose "
865 "verbose (applies to all others)\n");
866 (void) fprintf(stderr
, " -y --livelist "
867 "perform livelist and metaslab validation on any livelists being "
869 (void) fprintf(stderr
, " Below options are intended for use "
870 "with other options:\n");
871 (void) fprintf(stderr
, " -A --ignore-assertions "
872 "ignore assertions (-A), enable panic recovery (-AA) or both "
874 (void) fprintf(stderr
, " -e --exported "
875 "pool is exported/destroyed/has altroot/not in a cachefile\n");
876 (void) fprintf(stderr
, " -F --automatic-rewind "
877 "attempt automatic rewind within safe range of transaction "
879 (void) fprintf(stderr
, " -G --dump-debug-msg "
880 "dump zfs_dbgmsg buffer before exiting\n");
881 (void) fprintf(stderr
, " -I --inflight=INTEGER "
882 "specify the maximum number of checksumming I/Os "
883 "[default is 200]\n");
884 (void) fprintf(stderr
, " -K --key=KEY "
885 "decryption key for encrypted dataset\n");
886 (void) fprintf(stderr
, " -o --option=\"OPTION=INTEGER\" "
887 "set global variable to an unsigned 32-bit integer\n");
888 (void) fprintf(stderr
, " -p --path==PATH "
889 "use one or more with -e to specify path to vdev dir\n");
890 (void) fprintf(stderr
, " -P --parseable "
891 "print numbers in parseable form\n");
892 (void) fprintf(stderr
, " -q --skip-label "
893 "don't print label contents\n");
894 (void) fprintf(stderr
, " -t --txg=INTEGER "
895 "highest txg to use when searching for uberblocks\n");
896 (void) fprintf(stderr
, " -u --uberblock "
898 (void) fprintf(stderr
, " -U --cachefile=PATH "
899 "use alternate cachefile\n");
900 (void) fprintf(stderr
, " -V --verbatim "
901 "do verbatim import\n");
902 (void) fprintf(stderr
, " -x --dump-blocks=PATH "
903 "dump all read blocks into specified directory\n");
904 (void) fprintf(stderr
, " -X --extreme-rewind "
905 "attempt extreme rewind (does not work with dataset)\n");
906 (void) fprintf(stderr
, " -Y --all-reconstruction "
907 "attempt all reconstruction combinations for split blocks\n");
908 (void) fprintf(stderr
, " -Z --zstd-headers "
909 "show ZSTD headers \n");
910 (void) fprintf(stderr
, "Specify an option more than once (e.g. -bb) "
911 "to make only that option verbose\n");
912 (void) fprintf(stderr
, "Default is to dump everything non-verbosely\n");
917 dump_debug_buffer(void)
921 (void) fflush(stdout
);
922 zfs_dbgmsg_print("zdb");
927 * Called for usage errors that are discovered after a call to spa_open(),
928 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
932 fatal(const char *fmt
, ...)
937 (void) fprintf(stderr
, "%s: ", cmdname
);
938 (void) vfprintf(stderr
, fmt
, ap
);
940 (void) fprintf(stderr
, "\n");
948 dump_packed_nvlist(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
952 size_t nvsize
= *(uint64_t *)data
;
953 char *packed
= umem_alloc(nvsize
, UMEM_NOFAIL
);
955 VERIFY(0 == dmu_read(os
, object
, 0, nvsize
, packed
, DMU_READ_PREFETCH
));
957 VERIFY(nvlist_unpack(packed
, nvsize
, &nv
, 0) == 0);
959 umem_free(packed
, nvsize
);
967 dump_history_offsets(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
969 (void) os
, (void) object
, (void) size
;
970 spa_history_phys_t
*shp
= data
;
975 (void) printf("\t\tpool_create_len = %llu\n",
976 (u_longlong_t
)shp
->sh_pool_create_len
);
977 (void) printf("\t\tphys_max_off = %llu\n",
978 (u_longlong_t
)shp
->sh_phys_max_off
);
979 (void) printf("\t\tbof = %llu\n",
980 (u_longlong_t
)shp
->sh_bof
);
981 (void) printf("\t\teof = %llu\n",
982 (u_longlong_t
)shp
->sh_eof
);
983 (void) printf("\t\trecords_lost = %llu\n",
984 (u_longlong_t
)shp
->sh_records_lost
);
988 zdb_nicenum(uint64_t num
, char *buf
, size_t buflen
)
991 (void) snprintf(buf
, buflen
, "%llu", (longlong_t
)num
);
993 nicenum(num
, buf
, buflen
);
996 static const char histo_stars
[] = "****************************************";
997 static const uint64_t histo_width
= sizeof (histo_stars
) - 1;
1000 dump_histogram(const uint64_t *histo
, int size
, int offset
)
1003 int minidx
= size
- 1;
1007 for (i
= 0; i
< size
; i
++) {
1010 if (histo
[i
] > 0 && i
> maxidx
)
1012 if (histo
[i
] > 0 && i
< minidx
)
1016 if (max
< histo_width
)
1019 for (i
= minidx
; i
<= maxidx
; i
++) {
1020 (void) printf("\t\t\t%3u: %6llu %s\n",
1021 i
+ offset
, (u_longlong_t
)histo
[i
],
1022 &histo_stars
[(max
- histo
[i
]) * histo_width
/ max
]);
1027 dump_zap_stats(objset_t
*os
, uint64_t object
)
1032 error
= zap_get_stats(os
, object
, &zs
);
1036 if (zs
.zs_ptrtbl_len
== 0) {
1037 ASSERT(zs
.zs_num_blocks
== 1);
1038 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
1039 (u_longlong_t
)zs
.zs_blocksize
,
1040 (u_longlong_t
)zs
.zs_num_entries
);
1044 (void) printf("\tFat ZAP stats:\n");
1046 (void) printf("\t\tPointer table:\n");
1047 (void) printf("\t\t\t%llu elements\n",
1048 (u_longlong_t
)zs
.zs_ptrtbl_len
);
1049 (void) printf("\t\t\tzt_blk: %llu\n",
1050 (u_longlong_t
)zs
.zs_ptrtbl_zt_blk
);
1051 (void) printf("\t\t\tzt_numblks: %llu\n",
1052 (u_longlong_t
)zs
.zs_ptrtbl_zt_numblks
);
1053 (void) printf("\t\t\tzt_shift: %llu\n",
1054 (u_longlong_t
)zs
.zs_ptrtbl_zt_shift
);
1055 (void) printf("\t\t\tzt_blks_copied: %llu\n",
1056 (u_longlong_t
)zs
.zs_ptrtbl_blks_copied
);
1057 (void) printf("\t\t\tzt_nextblk: %llu\n",
1058 (u_longlong_t
)zs
.zs_ptrtbl_nextblk
);
1060 (void) printf("\t\tZAP entries: %llu\n",
1061 (u_longlong_t
)zs
.zs_num_entries
);
1062 (void) printf("\t\tLeaf blocks: %llu\n",
1063 (u_longlong_t
)zs
.zs_num_leafs
);
1064 (void) printf("\t\tTotal blocks: %llu\n",
1065 (u_longlong_t
)zs
.zs_num_blocks
);
1066 (void) printf("\t\tzap_block_type: 0x%llx\n",
1067 (u_longlong_t
)zs
.zs_block_type
);
1068 (void) printf("\t\tzap_magic: 0x%llx\n",
1069 (u_longlong_t
)zs
.zs_magic
);
1070 (void) printf("\t\tzap_salt: 0x%llx\n",
1071 (u_longlong_t
)zs
.zs_salt
);
1073 (void) printf("\t\tLeafs with 2^n pointers:\n");
1074 dump_histogram(zs
.zs_leafs_with_2n_pointers
, ZAP_HISTOGRAM_SIZE
, 0);
1076 (void) printf("\t\tBlocks with n*5 entries:\n");
1077 dump_histogram(zs
.zs_blocks_with_n5_entries
, ZAP_HISTOGRAM_SIZE
, 0);
1079 (void) printf("\t\tBlocks n/10 full:\n");
1080 dump_histogram(zs
.zs_blocks_n_tenths_full
, ZAP_HISTOGRAM_SIZE
, 0);
1082 (void) printf("\t\tEntries with n chunks:\n");
1083 dump_histogram(zs
.zs_entries_using_n_chunks
, ZAP_HISTOGRAM_SIZE
, 0);
1085 (void) printf("\t\tBuckets with n entries:\n");
1086 dump_histogram(zs
.zs_buckets_with_n_entries
, ZAP_HISTOGRAM_SIZE
, 0);
1090 dump_none(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1092 (void) os
, (void) object
, (void) data
, (void) size
;
1096 dump_unknown(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1098 (void) os
, (void) object
, (void) data
, (void) size
;
1099 (void) printf("\tUNKNOWN OBJECT TYPE\n");
1103 dump_uint8(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1105 (void) os
, (void) object
, (void) data
, (void) size
;
1109 dump_uint64(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1113 if (dump_opt
['d'] < 6)
1117 dmu_object_info_t doi
;
1119 VERIFY0(dmu_object_info(os
, object
, &doi
));
1120 size
= doi
.doi_max_offset
;
1122 * We cap the size at 1 mebibyte here to prevent
1123 * allocation failures and nigh-infinite printing if the
1124 * object is extremely large.
1126 oursize
= MIN(size
, 1 << 20);
1127 arr
= kmem_alloc(oursize
, KM_SLEEP
);
1129 int err
= dmu_read(os
, object
, 0, oursize
, arr
, 0);
1131 (void) printf("got error %u from dmu_read\n", err
);
1132 kmem_free(arr
, oursize
);
1137 * Even though the allocation is already done in this code path,
1138 * we still cap the size to prevent excessive printing.
1140 oursize
= MIN(size
, 1 << 20);
1146 kmem_free(arr
, oursize
);
1147 (void) printf("\t\t[]\n");
1151 (void) printf("\t\t[%0llx", (u_longlong_t
)arr
[0]);
1152 for (size_t i
= 1; i
* sizeof (uint64_t) < oursize
; i
++) {
1154 (void) printf(", %0llx", (u_longlong_t
)arr
[i
]);
1156 (void) printf(",\n\t\t%0llx", (u_longlong_t
)arr
[i
]);
1158 if (oursize
!= size
)
1159 (void) printf(", ... ");
1160 (void) printf("]\n");
1163 kmem_free(arr
, oursize
);
1167 dump_zap(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1169 (void) data
, (void) size
;
1171 zap_attribute_t attr
;
1175 dump_zap_stats(os
, object
);
1176 (void) printf("\n");
1178 for (zap_cursor_init(&zc
, os
, object
);
1179 zap_cursor_retrieve(&zc
, &attr
) == 0;
1180 zap_cursor_advance(&zc
)) {
1181 (void) printf("\t\t%s = ", attr
.za_name
);
1182 if (attr
.za_num_integers
== 0) {
1183 (void) printf("\n");
1186 prop
= umem_zalloc(attr
.za_num_integers
*
1187 attr
.za_integer_length
, UMEM_NOFAIL
);
1188 (void) zap_lookup(os
, object
, attr
.za_name
,
1189 attr
.za_integer_length
, attr
.za_num_integers
, prop
);
1190 if (attr
.za_integer_length
== 1) {
1191 if (strcmp(attr
.za_name
,
1192 DSL_CRYPTO_KEY_MASTER_KEY
) == 0 ||
1193 strcmp(attr
.za_name
,
1194 DSL_CRYPTO_KEY_HMAC_KEY
) == 0 ||
1195 strcmp(attr
.za_name
, DSL_CRYPTO_KEY_IV
) == 0 ||
1196 strcmp(attr
.za_name
, DSL_CRYPTO_KEY_MAC
) == 0 ||
1197 strcmp(attr
.za_name
, DMU_POOL_CHECKSUM_SALT
) == 0) {
1200 for (i
= 0; i
< attr
.za_num_integers
; i
++) {
1201 (void) printf("%02x", u8
[i
]);
1204 (void) printf("%s", (char *)prop
);
1207 for (i
= 0; i
< attr
.za_num_integers
; i
++) {
1208 switch (attr
.za_integer_length
) {
1210 (void) printf("%u ",
1211 ((uint16_t *)prop
)[i
]);
1214 (void) printf("%u ",
1215 ((uint32_t *)prop
)[i
]);
1218 (void) printf("%lld ",
1219 (u_longlong_t
)((int64_t *)prop
)[i
]);
1224 (void) printf("\n");
1225 umem_free(prop
, attr
.za_num_integers
* attr
.za_integer_length
);
1227 zap_cursor_fini(&zc
);
1231 dump_bpobj(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1233 bpobj_phys_t
*bpop
= data
;
1235 char bytes
[32], comp
[32], uncomp
[32];
1237 /* make sure the output won't get truncated */
1238 _Static_assert(sizeof (bytes
) >= NN_NUMBUF_SZ
, "bytes truncated");
1239 _Static_assert(sizeof (comp
) >= NN_NUMBUF_SZ
, "comp truncated");
1240 _Static_assert(sizeof (uncomp
) >= NN_NUMBUF_SZ
, "uncomp truncated");
1245 zdb_nicenum(bpop
->bpo_bytes
, bytes
, sizeof (bytes
));
1246 zdb_nicenum(bpop
->bpo_comp
, comp
, sizeof (comp
));
1247 zdb_nicenum(bpop
->bpo_uncomp
, uncomp
, sizeof (uncomp
));
1249 (void) printf("\t\tnum_blkptrs = %llu\n",
1250 (u_longlong_t
)bpop
->bpo_num_blkptrs
);
1251 (void) printf("\t\tbytes = %s\n", bytes
);
1252 if (size
>= BPOBJ_SIZE_V1
) {
1253 (void) printf("\t\tcomp = %s\n", comp
);
1254 (void) printf("\t\tuncomp = %s\n", uncomp
);
1256 if (size
>= BPOBJ_SIZE_V2
) {
1257 (void) printf("\t\tsubobjs = %llu\n",
1258 (u_longlong_t
)bpop
->bpo_subobjs
);
1259 (void) printf("\t\tnum_subobjs = %llu\n",
1260 (u_longlong_t
)bpop
->bpo_num_subobjs
);
1262 if (size
>= sizeof (*bpop
)) {
1263 (void) printf("\t\tnum_freed = %llu\n",
1264 (u_longlong_t
)bpop
->bpo_num_freed
);
1267 if (dump_opt
['d'] < 5)
1270 for (i
= 0; i
< bpop
->bpo_num_blkptrs
; i
++) {
1271 char blkbuf
[BP_SPRINTF_LEN
];
1274 int err
= dmu_read(os
, object
,
1275 i
* sizeof (bp
), sizeof (bp
), &bp
, 0);
1277 (void) printf("got error %u from dmu_read\n", err
);
1280 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), &bp
,
1282 (void) printf("\t%s\n", blkbuf
);
1287 dump_bpobj_subobjs(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1289 (void) data
, (void) size
;
1290 dmu_object_info_t doi
;
1293 VERIFY0(dmu_object_info(os
, object
, &doi
));
1294 uint64_t *subobjs
= kmem_alloc(doi
.doi_max_offset
, KM_SLEEP
);
1296 int err
= dmu_read(os
, object
, 0, doi
.doi_max_offset
, subobjs
, 0);
1298 (void) printf("got error %u from dmu_read\n", err
);
1299 kmem_free(subobjs
, doi
.doi_max_offset
);
1303 int64_t last_nonzero
= -1;
1304 for (i
= 0; i
< doi
.doi_max_offset
/ 8; i
++) {
1305 if (subobjs
[i
] != 0)
1309 for (i
= 0; i
<= last_nonzero
; i
++) {
1310 (void) printf("\t%llu\n", (u_longlong_t
)subobjs
[i
]);
1312 kmem_free(subobjs
, doi
.doi_max_offset
);
1316 dump_ddt_zap(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1318 (void) data
, (void) size
;
1319 dump_zap_stats(os
, object
);
1320 /* contents are printed elsewhere, properly decoded */
1324 dump_sa_attrs(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1326 (void) data
, (void) size
;
1328 zap_attribute_t attr
;
1330 dump_zap_stats(os
, object
);
1331 (void) printf("\n");
1333 for (zap_cursor_init(&zc
, os
, object
);
1334 zap_cursor_retrieve(&zc
, &attr
) == 0;
1335 zap_cursor_advance(&zc
)) {
1336 (void) printf("\t\t%s = ", attr
.za_name
);
1337 if (attr
.za_num_integers
== 0) {
1338 (void) printf("\n");
1341 (void) printf(" %llx : [%d:%d:%d]\n",
1342 (u_longlong_t
)attr
.za_first_integer
,
1343 (int)ATTR_LENGTH(attr
.za_first_integer
),
1344 (int)ATTR_BSWAP(attr
.za_first_integer
),
1345 (int)ATTR_NUM(attr
.za_first_integer
));
1347 zap_cursor_fini(&zc
);
1351 dump_sa_layouts(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1353 (void) data
, (void) size
;
1355 zap_attribute_t attr
;
1356 uint16_t *layout_attrs
;
1359 dump_zap_stats(os
, object
);
1360 (void) printf("\n");
1362 for (zap_cursor_init(&zc
, os
, object
);
1363 zap_cursor_retrieve(&zc
, &attr
) == 0;
1364 zap_cursor_advance(&zc
)) {
1365 (void) printf("\t\t%s = [", attr
.za_name
);
1366 if (attr
.za_num_integers
== 0) {
1367 (void) printf("\n");
1371 VERIFY(attr
.za_integer_length
== 2);
1372 layout_attrs
= umem_zalloc(attr
.za_num_integers
*
1373 attr
.za_integer_length
, UMEM_NOFAIL
);
1375 VERIFY(zap_lookup(os
, object
, attr
.za_name
,
1376 attr
.za_integer_length
,
1377 attr
.za_num_integers
, layout_attrs
) == 0);
1379 for (i
= 0; i
!= attr
.za_num_integers
; i
++)
1380 (void) printf(" %d ", (int)layout_attrs
[i
]);
1381 (void) printf("]\n");
1382 umem_free(layout_attrs
,
1383 attr
.za_num_integers
* attr
.za_integer_length
);
1385 zap_cursor_fini(&zc
);
1389 dump_zpldir(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
1391 (void) data
, (void) size
;
1393 zap_attribute_t attr
;
1394 const char *typenames
[] = {
1395 /* 0 */ "not specified",
1397 /* 2 */ "Character Device",
1398 /* 3 */ "3 (invalid)",
1399 /* 4 */ "Directory",
1400 /* 5 */ "5 (invalid)",
1401 /* 6 */ "Block Device",
1402 /* 7 */ "7 (invalid)",
1403 /* 8 */ "Regular File",
1404 /* 9 */ "9 (invalid)",
1405 /* 10 */ "Symbolic Link",
1406 /* 11 */ "11 (invalid)",
1409 /* 14 */ "Event Port",
1410 /* 15 */ "15 (invalid)",
1413 dump_zap_stats(os
, object
);
1414 (void) printf("\n");
1416 for (zap_cursor_init(&zc
, os
, object
);
1417 zap_cursor_retrieve(&zc
, &attr
) == 0;
1418 zap_cursor_advance(&zc
)) {
1419 (void) printf("\t\t%s = %lld (type: %s)\n",
1420 attr
.za_name
, ZFS_DIRENT_OBJ(attr
.za_first_integer
),
1421 typenames
[ZFS_DIRENT_TYPE(attr
.za_first_integer
)]);
1423 zap_cursor_fini(&zc
);
1427 get_dtl_refcount(vdev_t
*vd
)
1431 if (vd
->vdev_ops
->vdev_op_leaf
) {
1432 space_map_t
*sm
= vd
->vdev_dtl_sm
;
1435 sm
->sm_dbuf
->db_size
== sizeof (space_map_phys_t
))
1440 for (unsigned c
= 0; c
< vd
->vdev_children
; c
++)
1441 refcount
+= get_dtl_refcount(vd
->vdev_child
[c
]);
1446 get_metaslab_refcount(vdev_t
*vd
)
1450 if (vd
->vdev_top
== vd
) {
1451 for (uint64_t m
= 0; m
< vd
->vdev_ms_count
; m
++) {
1452 space_map_t
*sm
= vd
->vdev_ms
[m
]->ms_sm
;
1455 sm
->sm_dbuf
->db_size
== sizeof (space_map_phys_t
))
1459 for (unsigned c
= 0; c
< vd
->vdev_children
; c
++)
1460 refcount
+= get_metaslab_refcount(vd
->vdev_child
[c
]);
1466 get_obsolete_refcount(vdev_t
*vd
)
1468 uint64_t obsolete_sm_object
;
1471 VERIFY0(vdev_obsolete_sm_object(vd
, &obsolete_sm_object
));
1472 if (vd
->vdev_top
== vd
&& obsolete_sm_object
!= 0) {
1473 dmu_object_info_t doi
;
1474 VERIFY0(dmu_object_info(vd
->vdev_spa
->spa_meta_objset
,
1475 obsolete_sm_object
, &doi
));
1476 if (doi
.doi_bonus_size
== sizeof (space_map_phys_t
)) {
1480 ASSERT3P(vd
->vdev_obsolete_sm
, ==, NULL
);
1481 ASSERT3U(obsolete_sm_object
, ==, 0);
1483 for (unsigned c
= 0; c
< vd
->vdev_children
; c
++) {
1484 refcount
+= get_obsolete_refcount(vd
->vdev_child
[c
]);
1491 get_prev_obsolete_spacemap_refcount(spa_t
*spa
)
1494 spa
->spa_condensing_indirect_phys
.scip_prev_obsolete_sm_object
;
1495 if (prev_obj
!= 0) {
1496 dmu_object_info_t doi
;
1497 VERIFY0(dmu_object_info(spa
->spa_meta_objset
, prev_obj
, &doi
));
1498 if (doi
.doi_bonus_size
== sizeof (space_map_phys_t
)) {
1506 get_checkpoint_refcount(vdev_t
*vd
)
1510 if (vd
->vdev_top
== vd
&& vd
->vdev_top_zap
!= 0 &&
1511 zap_contains(spa_meta_objset(vd
->vdev_spa
),
1512 vd
->vdev_top_zap
, VDEV_TOP_ZAP_POOL_CHECKPOINT_SM
) == 0)
1515 for (uint64_t c
= 0; c
< vd
->vdev_children
; c
++)
1516 refcount
+= get_checkpoint_refcount(vd
->vdev_child
[c
]);
1522 get_log_spacemap_refcount(spa_t
*spa
)
1524 return (avl_numnodes(&spa
->spa_sm_logs_by_txg
));
1528 verify_spacemap_refcounts(spa_t
*spa
)
1530 uint64_t expected_refcount
= 0;
1531 uint64_t actual_refcount
;
1533 (void) feature_get_refcount(spa
,
1534 &spa_feature_table
[SPA_FEATURE_SPACEMAP_HISTOGRAM
],
1535 &expected_refcount
);
1536 actual_refcount
= get_dtl_refcount(spa
->spa_root_vdev
);
1537 actual_refcount
+= get_metaslab_refcount(spa
->spa_root_vdev
);
1538 actual_refcount
+= get_obsolete_refcount(spa
->spa_root_vdev
);
1539 actual_refcount
+= get_prev_obsolete_spacemap_refcount(spa
);
1540 actual_refcount
+= get_checkpoint_refcount(spa
->spa_root_vdev
);
1541 actual_refcount
+= get_log_spacemap_refcount(spa
);
1543 if (expected_refcount
!= actual_refcount
) {
1544 (void) printf("space map refcount mismatch: expected %lld != "
1546 (longlong_t
)expected_refcount
,
1547 (longlong_t
)actual_refcount
);
1554 dump_spacemap(objset_t
*os
, space_map_t
*sm
)
1556 const char *ddata
[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
1557 "INVALID", "INVALID", "INVALID", "INVALID" };
1562 (void) printf("space map object %llu:\n",
1563 (longlong_t
)sm
->sm_object
);
1564 (void) printf(" smp_length = 0x%llx\n",
1565 (longlong_t
)sm
->sm_phys
->smp_length
);
1566 (void) printf(" smp_alloc = 0x%llx\n",
1567 (longlong_t
)sm
->sm_phys
->smp_alloc
);
1569 if (dump_opt
['d'] < 6 && dump_opt
['m'] < 4)
1573 * Print out the freelist entries in both encoded and decoded form.
1575 uint8_t mapshift
= sm
->sm_shift
;
1577 uint64_t word
, entry_id
= 0;
1578 for (uint64_t offset
= 0; offset
< space_map_length(sm
);
1579 offset
+= sizeof (word
)) {
1581 VERIFY0(dmu_read(os
, space_map_object(sm
), offset
,
1582 sizeof (word
), &word
, DMU_READ_PREFETCH
));
1584 if (sm_entry_is_debug(word
)) {
1585 uint64_t de_txg
= SM_DEBUG_TXG_DECODE(word
);
1586 uint64_t de_sync_pass
= SM_DEBUG_SYNCPASS_DECODE(word
);
1589 "\t [%6llu] PADDING\n",
1590 (u_longlong_t
)entry_id
);
1593 "\t [%6llu] %s: txg %llu pass %llu\n",
1594 (u_longlong_t
)entry_id
,
1595 ddata
[SM_DEBUG_ACTION_DECODE(word
)],
1596 (u_longlong_t
)de_txg
,
1597 (u_longlong_t
)de_sync_pass
);
1605 uint64_t entry_off
, entry_run
, entry_vdev
= SM_NO_VDEVID
;
1607 if (sm_entry_is_single_word(word
)) {
1608 entry_type
= (SM_TYPE_DECODE(word
) == SM_ALLOC
) ?
1610 entry_off
= (SM_OFFSET_DECODE(word
) << mapshift
) +
1612 entry_run
= SM_RUN_DECODE(word
) << mapshift
;
1615 /* it is a two-word entry so we read another word */
1616 ASSERT(sm_entry_is_double_word(word
));
1618 uint64_t extra_word
;
1619 offset
+= sizeof (extra_word
);
1620 VERIFY0(dmu_read(os
, space_map_object(sm
), offset
,
1621 sizeof (extra_word
), &extra_word
,
1622 DMU_READ_PREFETCH
));
1624 ASSERT3U(offset
, <=, space_map_length(sm
));
1626 entry_run
= SM2_RUN_DECODE(word
) << mapshift
;
1627 entry_vdev
= SM2_VDEV_DECODE(word
);
1628 entry_type
= (SM2_TYPE_DECODE(extra_word
) == SM_ALLOC
) ?
1630 entry_off
= (SM2_OFFSET_DECODE(extra_word
) <<
1631 mapshift
) + sm
->sm_start
;
1635 (void) printf("\t [%6llu] %c range:"
1636 " %010llx-%010llx size: %06llx vdev: %06llu words: %u\n",
1637 (u_longlong_t
)entry_id
,
1638 entry_type
, (u_longlong_t
)entry_off
,
1639 (u_longlong_t
)(entry_off
+ entry_run
),
1640 (u_longlong_t
)entry_run
,
1641 (u_longlong_t
)entry_vdev
, words
);
1643 if (entry_type
== 'A')
1649 if (alloc
!= space_map_allocated(sm
)) {
1650 (void) printf("space_map_object alloc (%lld) INCONSISTENT "
1651 "with space map summary (%lld)\n",
1652 (longlong_t
)space_map_allocated(sm
), (longlong_t
)alloc
);
1657 dump_metaslab_stats(metaslab_t
*msp
)
1660 range_tree_t
*rt
= msp
->ms_allocatable
;
1661 zfs_btree_t
*t
= &msp
->ms_allocatable_by_size
;
1662 int free_pct
= range_tree_space(rt
) * 100 / msp
->ms_size
;
1664 /* max sure nicenum has enough space */
1665 _Static_assert(sizeof (maxbuf
) >= NN_NUMBUF_SZ
, "maxbuf truncated");
1667 zdb_nicenum(metaslab_largest_allocatable(msp
), maxbuf
, sizeof (maxbuf
));
1669 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
1670 "segments", zfs_btree_numnodes(t
), "maxsize", maxbuf
,
1671 "freepct", free_pct
);
1672 (void) printf("\tIn-memory histogram:\n");
1673 dump_histogram(rt
->rt_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
1677 dump_metaslab(metaslab_t
*msp
)
1679 vdev_t
*vd
= msp
->ms_group
->mg_vd
;
1680 spa_t
*spa
= vd
->vdev_spa
;
1681 space_map_t
*sm
= msp
->ms_sm
;
1684 zdb_nicenum(msp
->ms_size
- space_map_allocated(sm
), freebuf
,
1688 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
1689 (u_longlong_t
)msp
->ms_id
, (u_longlong_t
)msp
->ms_start
,
1690 (u_longlong_t
)space_map_object(sm
), freebuf
);
1692 if (dump_opt
['m'] > 2 && !dump_opt
['L']) {
1693 mutex_enter(&msp
->ms_lock
);
1694 VERIFY0(metaslab_load(msp
));
1695 range_tree_stat_verify(msp
->ms_allocatable
);
1696 dump_metaslab_stats(msp
);
1697 metaslab_unload(msp
);
1698 mutex_exit(&msp
->ms_lock
);
1701 if (dump_opt
['m'] > 1 && sm
!= NULL
&&
1702 spa_feature_is_active(spa
, SPA_FEATURE_SPACEMAP_HISTOGRAM
)) {
1704 * The space map histogram represents free space in chunks
1705 * of sm_shift (i.e. bucket 0 refers to 2^sm_shift).
1707 (void) printf("\tOn-disk histogram:\t\tfragmentation %llu\n",
1708 (u_longlong_t
)msp
->ms_fragmentation
);
1709 dump_histogram(sm
->sm_phys
->smp_histogram
,
1710 SPACE_MAP_HISTOGRAM_SIZE
, sm
->sm_shift
);
1713 if (vd
->vdev_ops
== &vdev_draid_ops
)
1714 ASSERT3U(msp
->ms_size
, <=, 1ULL << vd
->vdev_ms_shift
);
1716 ASSERT3U(msp
->ms_size
, ==, 1ULL << vd
->vdev_ms_shift
);
1718 dump_spacemap(spa
->spa_meta_objset
, msp
->ms_sm
);
1720 if (spa_feature_is_active(spa
, SPA_FEATURE_LOG_SPACEMAP
)) {
1721 (void) printf("\tFlush data:\n\tunflushed txg=%llu\n\n",
1722 (u_longlong_t
)metaslab_unflushed_txg(msp
));
1727 print_vdev_metaslab_header(vdev_t
*vd
)
1729 vdev_alloc_bias_t alloc_bias
= vd
->vdev_alloc_bias
;
1730 const char *bias_str
= "";
1731 if (alloc_bias
== VDEV_BIAS_LOG
|| vd
->vdev_islog
) {
1732 bias_str
= VDEV_ALLOC_BIAS_LOG
;
1733 } else if (alloc_bias
== VDEV_BIAS_SPECIAL
) {
1734 bias_str
= VDEV_ALLOC_BIAS_SPECIAL
;
1735 } else if (alloc_bias
== VDEV_BIAS_DEDUP
) {
1736 bias_str
= VDEV_ALLOC_BIAS_DEDUP
;
1739 uint64_t ms_flush_data_obj
= 0;
1740 if (vd
->vdev_top_zap
!= 0) {
1741 int error
= zap_lookup(spa_meta_objset(vd
->vdev_spa
),
1742 vd
->vdev_top_zap
, VDEV_TOP_ZAP_MS_UNFLUSHED_PHYS_TXGS
,
1743 sizeof (uint64_t), 1, &ms_flush_data_obj
);
1744 if (error
!= ENOENT
) {
1749 (void) printf("\tvdev %10llu %s",
1750 (u_longlong_t
)vd
->vdev_id
, bias_str
);
1752 if (ms_flush_data_obj
!= 0) {
1753 (void) printf(" ms_unflushed_phys object %llu",
1754 (u_longlong_t
)ms_flush_data_obj
);
1757 (void) printf("\n\t%-10s%5llu %-19s %-15s %-12s\n",
1758 "metaslabs", (u_longlong_t
)vd
->vdev_ms_count
,
1759 "offset", "spacemap", "free");
1760 (void) printf("\t%15s %19s %15s %12s\n",
1761 "---------------", "-------------------",
1762 "---------------", "------------");
1766 dump_metaslab_groups(spa_t
*spa
, boolean_t show_special
)
1768 vdev_t
*rvd
= spa
->spa_root_vdev
;
1769 metaslab_class_t
*mc
= spa_normal_class(spa
);
1770 metaslab_class_t
*smc
= spa_special_class(spa
);
1771 uint64_t fragmentation
;
1773 metaslab_class_histogram_verify(mc
);
1775 for (unsigned c
= 0; c
< rvd
->vdev_children
; c
++) {
1776 vdev_t
*tvd
= rvd
->vdev_child
[c
];
1777 metaslab_group_t
*mg
= tvd
->vdev_mg
;
1779 if (mg
== NULL
|| (mg
->mg_class
!= mc
&&
1780 (!show_special
|| mg
->mg_class
!= smc
)))
1783 metaslab_group_histogram_verify(mg
);
1784 mg
->mg_fragmentation
= metaslab_group_fragmentation(mg
);
1786 (void) printf("\tvdev %10llu\t\tmetaslabs%5llu\t\t"
1788 (u_longlong_t
)tvd
->vdev_id
,
1789 (u_longlong_t
)tvd
->vdev_ms_count
);
1790 if (mg
->mg_fragmentation
== ZFS_FRAG_INVALID
) {
1791 (void) printf("%3s\n", "-");
1793 (void) printf("%3llu%%\n",
1794 (u_longlong_t
)mg
->mg_fragmentation
);
1796 dump_histogram(mg
->mg_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
1799 (void) printf("\tpool %s\tfragmentation", spa_name(spa
));
1800 fragmentation
= metaslab_class_fragmentation(mc
);
1801 if (fragmentation
== ZFS_FRAG_INVALID
)
1802 (void) printf("\t%3s\n", "-");
1804 (void) printf("\t%3llu%%\n", (u_longlong_t
)fragmentation
);
1805 dump_histogram(mc
->mc_histogram
, RANGE_TREE_HISTOGRAM_SIZE
, 0);
1809 print_vdev_indirect(vdev_t
*vd
)
1811 vdev_indirect_config_t
*vic
= &vd
->vdev_indirect_config
;
1812 vdev_indirect_mapping_t
*vim
= vd
->vdev_indirect_mapping
;
1813 vdev_indirect_births_t
*vib
= vd
->vdev_indirect_births
;
1816 ASSERT3P(vib
, ==, NULL
);
1820 ASSERT3U(vdev_indirect_mapping_object(vim
), ==,
1821 vic
->vic_mapping_object
);
1822 ASSERT3U(vdev_indirect_births_object(vib
), ==,
1823 vic
->vic_births_object
);
1825 (void) printf("indirect births obj %llu:\n",
1826 (longlong_t
)vic
->vic_births_object
);
1827 (void) printf(" vib_count = %llu\n",
1828 (longlong_t
)vdev_indirect_births_count(vib
));
1829 for (uint64_t i
= 0; i
< vdev_indirect_births_count(vib
); i
++) {
1830 vdev_indirect_birth_entry_phys_t
*cur_vibe
=
1831 &vib
->vib_entries
[i
];
1832 (void) printf("\toffset %llx -> txg %llu\n",
1833 (longlong_t
)cur_vibe
->vibe_offset
,
1834 (longlong_t
)cur_vibe
->vibe_phys_birth_txg
);
1836 (void) printf("\n");
1838 (void) printf("indirect mapping obj %llu:\n",
1839 (longlong_t
)vic
->vic_mapping_object
);
1840 (void) printf(" vim_max_offset = 0x%llx\n",
1841 (longlong_t
)vdev_indirect_mapping_max_offset(vim
));
1842 (void) printf(" vim_bytes_mapped = 0x%llx\n",
1843 (longlong_t
)vdev_indirect_mapping_bytes_mapped(vim
));
1844 (void) printf(" vim_count = %llu\n",
1845 (longlong_t
)vdev_indirect_mapping_num_entries(vim
));
1847 if (dump_opt
['d'] <= 5 && dump_opt
['m'] <= 3)
1850 uint32_t *counts
= vdev_indirect_mapping_load_obsolete_counts(vim
);
1852 for (uint64_t i
= 0; i
< vdev_indirect_mapping_num_entries(vim
); i
++) {
1853 vdev_indirect_mapping_entry_phys_t
*vimep
=
1854 &vim
->vim_entries
[i
];
1855 (void) printf("\t<%llx:%llx:%llx> -> "
1856 "<%llx:%llx:%llx> (%x obsolete)\n",
1857 (longlong_t
)vd
->vdev_id
,
1858 (longlong_t
)DVA_MAPPING_GET_SRC_OFFSET(vimep
),
1859 (longlong_t
)DVA_GET_ASIZE(&vimep
->vimep_dst
),
1860 (longlong_t
)DVA_GET_VDEV(&vimep
->vimep_dst
),
1861 (longlong_t
)DVA_GET_OFFSET(&vimep
->vimep_dst
),
1862 (longlong_t
)DVA_GET_ASIZE(&vimep
->vimep_dst
),
1865 (void) printf("\n");
1867 uint64_t obsolete_sm_object
;
1868 VERIFY0(vdev_obsolete_sm_object(vd
, &obsolete_sm_object
));
1869 if (obsolete_sm_object
!= 0) {
1870 objset_t
*mos
= vd
->vdev_spa
->spa_meta_objset
;
1871 (void) printf("obsolete space map object %llu:\n",
1872 (u_longlong_t
)obsolete_sm_object
);
1873 ASSERT(vd
->vdev_obsolete_sm
!= NULL
);
1874 ASSERT3U(space_map_object(vd
->vdev_obsolete_sm
), ==,
1875 obsolete_sm_object
);
1876 dump_spacemap(mos
, vd
->vdev_obsolete_sm
);
1877 (void) printf("\n");
1882 dump_metaslabs(spa_t
*spa
)
1884 vdev_t
*vd
, *rvd
= spa
->spa_root_vdev
;
1885 uint64_t m
, c
= 0, children
= rvd
->vdev_children
;
1887 (void) printf("\nMetaslabs:\n");
1889 if (!dump_opt
['d'] && zopt_metaslab_args
> 0) {
1890 c
= zopt_metaslab
[0];
1893 (void) fatal("bad vdev id: %llu", (u_longlong_t
)c
);
1895 if (zopt_metaslab_args
> 1) {
1896 vd
= rvd
->vdev_child
[c
];
1897 print_vdev_metaslab_header(vd
);
1899 for (m
= 1; m
< zopt_metaslab_args
; m
++) {
1900 if (zopt_metaslab
[m
] < vd
->vdev_ms_count
)
1902 vd
->vdev_ms
[zopt_metaslab
[m
]]);
1904 (void) fprintf(stderr
, "bad metaslab "
1906 (u_longlong_t
)zopt_metaslab
[m
]);
1908 (void) printf("\n");
1913 for (; c
< children
; c
++) {
1914 vd
= rvd
->vdev_child
[c
];
1915 print_vdev_metaslab_header(vd
);
1917 print_vdev_indirect(vd
);
1919 for (m
= 0; m
< vd
->vdev_ms_count
; m
++)
1920 dump_metaslab(vd
->vdev_ms
[m
]);
1921 (void) printf("\n");
1926 dump_log_spacemaps(spa_t
*spa
)
1928 if (!spa_feature_is_active(spa
, SPA_FEATURE_LOG_SPACEMAP
))
1931 (void) printf("\nLog Space Maps in Pool:\n");
1932 for (spa_log_sm_t
*sls
= avl_first(&spa
->spa_sm_logs_by_txg
);
1933 sls
; sls
= AVL_NEXT(&spa
->spa_sm_logs_by_txg
, sls
)) {
1934 space_map_t
*sm
= NULL
;
1935 VERIFY0(space_map_open(&sm
, spa_meta_objset(spa
),
1936 sls
->sls_sm_obj
, 0, UINT64_MAX
, SPA_MINBLOCKSHIFT
));
1938 (void) printf("Log Spacemap object %llu txg %llu\n",
1939 (u_longlong_t
)sls
->sls_sm_obj
, (u_longlong_t
)sls
->sls_txg
);
1940 dump_spacemap(spa
->spa_meta_objset
, sm
);
1941 space_map_close(sm
);
1943 (void) printf("\n");
1947 dump_dde(const ddt_t
*ddt
, const ddt_entry_t
*dde
, uint64_t index
)
1949 const ddt_phys_t
*ddp
= dde
->dde_phys
;
1950 const ddt_key_t
*ddk
= &dde
->dde_key
;
1951 const char *types
[4] = { "ditto", "single", "double", "triple" };
1952 char blkbuf
[BP_SPRINTF_LEN
];
1956 for (p
= 0; p
< DDT_PHYS_TYPES
; p
++, ddp
++) {
1957 if (ddp
->ddp_phys_birth
== 0)
1959 ddt_bp_create(ddt
->ddt_checksum
, ddk
, ddp
, &blk
);
1960 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &blk
);
1961 (void) printf("index %llx refcnt %llu %s %s\n",
1962 (u_longlong_t
)index
, (u_longlong_t
)ddp
->ddp_refcnt
,
1968 dump_dedup_ratio(const ddt_stat_t
*dds
)
1970 double rL
, rP
, rD
, D
, dedup
, compress
, copies
;
1972 if (dds
->dds_blocks
== 0)
1975 rL
= (double)dds
->dds_ref_lsize
;
1976 rP
= (double)dds
->dds_ref_psize
;
1977 rD
= (double)dds
->dds_ref_dsize
;
1978 D
= (double)dds
->dds_dsize
;
1984 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
1985 "dedup * compress / copies = %.2f\n\n",
1986 dedup
, compress
, copies
, dedup
* compress
/ copies
);
1990 dump_ddt(ddt_t
*ddt
, enum ddt_type type
, enum ddt_class
class)
1992 char name
[DDT_NAMELEN
];
1995 dmu_object_info_t doi
;
1996 uint64_t count
, dspace
, mspace
;
1999 error
= ddt_object_info(ddt
, type
, class, &doi
);
2001 if (error
== ENOENT
)
2005 error
= ddt_object_count(ddt
, type
, class, &count
);
2010 dspace
= doi
.doi_physical_blocks_512
<< 9;
2011 mspace
= doi
.doi_fill_count
* doi
.doi_data_block_size
;
2013 ddt_object_name(ddt
, type
, class, name
);
2015 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
2017 (u_longlong_t
)count
,
2018 (u_longlong_t
)(dspace
/ count
),
2019 (u_longlong_t
)(mspace
/ count
));
2021 if (dump_opt
['D'] < 3)
2024 zpool_dump_ddt(NULL
, &ddt
->ddt_histogram
[type
][class]);
2026 if (dump_opt
['D'] < 4)
2029 if (dump_opt
['D'] < 5 && class == DDT_CLASS_UNIQUE
)
2032 (void) printf("%s contents:\n\n", name
);
2034 while ((error
= ddt_object_walk(ddt
, type
, class, &walk
, &dde
)) == 0)
2035 dump_dde(ddt
, &dde
, walk
);
2037 ASSERT3U(error
, ==, ENOENT
);
2039 (void) printf("\n");
2043 dump_all_ddts(spa_t
*spa
)
2045 ddt_histogram_t ddh_total
= {{{0}}};
2046 ddt_stat_t dds_total
= {0};
2048 for (enum zio_checksum c
= 0; c
< ZIO_CHECKSUM_FUNCTIONS
; c
++) {
2049 ddt_t
*ddt
= spa
->spa_ddt
[c
];
2050 for (enum ddt_type type
= 0; type
< DDT_TYPES
; type
++) {
2051 for (enum ddt_class
class = 0; class < DDT_CLASSES
;
2053 dump_ddt(ddt
, type
, class);
2058 ddt_get_dedup_stats(spa
, &dds_total
);
2060 if (dds_total
.dds_blocks
== 0) {
2061 (void) printf("All DDTs are empty\n");
2065 (void) printf("\n");
2067 if (dump_opt
['D'] > 1) {
2068 (void) printf("DDT histogram (aggregated over all DDTs):\n");
2069 ddt_get_dedup_histogram(spa
, &ddh_total
);
2070 zpool_dump_ddt(&dds_total
, &ddh_total
);
2073 dump_dedup_ratio(&dds_total
);
2077 dump_dtl_seg(void *arg
, uint64_t start
, uint64_t size
)
2081 (void) printf("%s [%llu,%llu) length %llu\n",
2083 (u_longlong_t
)start
,
2084 (u_longlong_t
)(start
+ size
),
2085 (u_longlong_t
)(size
));
2089 dump_dtl(vdev_t
*vd
, int indent
)
2091 spa_t
*spa
= vd
->vdev_spa
;
2093 const char *name
[DTL_TYPES
] = { "missing", "partial", "scrub",
2097 spa_vdev_state_enter(spa
, SCL_NONE
);
2098 required
= vdev_dtl_required(vd
);
2099 (void) spa_vdev_state_exit(spa
, NULL
, 0);
2102 (void) printf("\nDirty time logs:\n\n");
2104 (void) printf("\t%*s%s [%s]\n", indent
, "",
2105 vd
->vdev_path
? vd
->vdev_path
:
2106 vd
->vdev_parent
? vd
->vdev_ops
->vdev_op_type
: spa_name(spa
),
2107 required
? "DTL-required" : "DTL-expendable");
2109 for (int t
= 0; t
< DTL_TYPES
; t
++) {
2110 range_tree_t
*rt
= vd
->vdev_dtl
[t
];
2111 if (range_tree_space(rt
) == 0)
2113 (void) snprintf(prefix
, sizeof (prefix
), "\t%*s%s",
2114 indent
+ 2, "", name
[t
]);
2115 range_tree_walk(rt
, dump_dtl_seg
, prefix
);
2116 if (dump_opt
['d'] > 5 && vd
->vdev_children
== 0)
2117 dump_spacemap(spa
->spa_meta_objset
,
2121 for (unsigned c
= 0; c
< vd
->vdev_children
; c
++)
2122 dump_dtl(vd
->vdev_child
[c
], indent
+ 4);
2126 dump_history(spa_t
*spa
)
2128 nvlist_t
**events
= NULL
;
2130 uint64_t resid
, len
, off
= 0;
2135 if ((buf
= malloc(SPA_OLD_MAXBLOCKSIZE
)) == NULL
) {
2136 (void) fprintf(stderr
, "%s: unable to allocate I/O buffer\n",
2142 len
= SPA_OLD_MAXBLOCKSIZE
;
2144 if ((error
= spa_history_get(spa
, &off
, &len
, buf
)) != 0) {
2145 (void) fprintf(stderr
, "Unable to read history: "
2146 "error %d\n", error
);
2151 if (zpool_history_unpack(buf
, len
, &resid
, &events
, &num
) != 0)
2157 (void) printf("\nHistory:\n");
2158 for (unsigned i
= 0; i
< num
; i
++) {
2159 boolean_t printed
= B_FALSE
;
2161 if (nvlist_exists(events
[i
], ZPOOL_HIST_TIME
)) {
2165 tsec
= fnvlist_lookup_uint64(events
[i
],
2167 (void) localtime_r(&tsec
, &t
);
2168 (void) strftime(tbuf
, sizeof (tbuf
), "%F.%T", &t
);
2173 if (nvlist_exists(events
[i
], ZPOOL_HIST_CMD
)) {
2174 (void) printf("%s %s\n", tbuf
,
2175 fnvlist_lookup_string(events
[i
], ZPOOL_HIST_CMD
));
2176 } else if (nvlist_exists(events
[i
], ZPOOL_HIST_INT_EVENT
)) {
2179 ievent
= fnvlist_lookup_uint64(events
[i
],
2180 ZPOOL_HIST_INT_EVENT
);
2181 if (ievent
>= ZFS_NUM_LEGACY_HISTORY_EVENTS
)
2184 (void) printf(" %s [internal %s txg:%ju] %s\n",
2186 zfs_history_event_names
[ievent
],
2187 fnvlist_lookup_uint64(events
[i
],
2189 fnvlist_lookup_string(events
[i
],
2190 ZPOOL_HIST_INT_STR
));
2191 } else if (nvlist_exists(events
[i
], ZPOOL_HIST_INT_NAME
)) {
2192 (void) printf("%s [txg:%ju] %s", tbuf
,
2193 fnvlist_lookup_uint64(events
[i
],
2195 fnvlist_lookup_string(events
[i
],
2196 ZPOOL_HIST_INT_NAME
));
2198 if (nvlist_exists(events
[i
], ZPOOL_HIST_DSNAME
)) {
2199 (void) printf(" %s (%llu)",
2200 fnvlist_lookup_string(events
[i
],
2202 (u_longlong_t
)fnvlist_lookup_uint64(
2207 (void) printf(" %s\n", fnvlist_lookup_string(events
[i
],
2208 ZPOOL_HIST_INT_STR
));
2209 } else if (nvlist_exists(events
[i
], ZPOOL_HIST_IOCTL
)) {
2210 (void) printf("%s ioctl %s\n", tbuf
,
2211 fnvlist_lookup_string(events
[i
],
2214 if (nvlist_exists(events
[i
], ZPOOL_HIST_INPUT_NVL
)) {
2215 (void) printf(" input:\n");
2216 dump_nvlist(fnvlist_lookup_nvlist(events
[i
],
2217 ZPOOL_HIST_INPUT_NVL
), 8);
2219 if (nvlist_exists(events
[i
], ZPOOL_HIST_OUTPUT_NVL
)) {
2220 (void) printf(" output:\n");
2221 dump_nvlist(fnvlist_lookup_nvlist(events
[i
],
2222 ZPOOL_HIST_OUTPUT_NVL
), 8);
2224 if (nvlist_exists(events
[i
], ZPOOL_HIST_ERRNO
)) {
2225 (void) printf(" errno: %lld\n",
2226 (longlong_t
)fnvlist_lookup_int64(events
[i
],
2235 if (dump_opt
['h'] > 1) {
2237 (void) printf("unrecognized record:\n");
2238 dump_nvlist(events
[i
], 2);
2245 dump_dnode(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
2247 (void) os
, (void) object
, (void) data
, (void) size
;
2251 blkid2offset(const dnode_phys_t
*dnp
, const blkptr_t
*bp
,
2252 const zbookmark_phys_t
*zb
)
2255 ASSERT(zb
->zb_level
< 0);
2256 if (zb
->zb_object
== 0)
2257 return (zb
->zb_blkid
);
2258 return (zb
->zb_blkid
* BP_GET_LSIZE(bp
));
2261 ASSERT(zb
->zb_level
>= 0);
2263 return ((zb
->zb_blkid
<<
2264 (zb
->zb_level
* (dnp
->dn_indblkshift
- SPA_BLKPTRSHIFT
))) *
2265 dnp
->dn_datablkszsec
<< SPA_MINBLOCKSHIFT
);
2269 snprintf_zstd_header(spa_t
*spa
, char *blkbuf
, size_t buflen
,
2275 zfs_zstdhdr_t zstd_hdr
;
2278 if (BP_GET_COMPRESS(bp
) != ZIO_COMPRESS_ZSTD
)
2284 if (BP_IS_EMBEDDED(bp
)) {
2285 buf
= malloc(SPA_MAXBLOCKSIZE
);
2287 (void) fprintf(stderr
, "out of memory\n");
2290 decode_embedded_bp_compressed(bp
, buf
);
2291 memcpy(&zstd_hdr
, buf
, sizeof (zstd_hdr
));
2293 zstd_hdr
.c_len
= BE_32(zstd_hdr
.c_len
);
2294 zstd_hdr
.raw_version_level
= BE_32(zstd_hdr
.raw_version_level
);
2295 (void) snprintf(blkbuf
+ strlen(blkbuf
),
2296 buflen
- strlen(blkbuf
),
2297 " ZSTD:size=%u:version=%u:level=%u:EMBEDDED",
2298 zstd_hdr
.c_len
, zfs_get_hdrversion(&zstd_hdr
),
2299 zfs_get_hdrlevel(&zstd_hdr
));
2303 pabd
= abd_alloc_for_io(SPA_MAXBLOCKSIZE
, B_FALSE
);
2304 zio
= zio_root(spa
, NULL
, NULL
, 0);
2306 /* Decrypt but don't decompress so we can read the compression header */
2307 zio_nowait(zio_read(zio
, spa
, bp
, pabd
, BP_GET_PSIZE(bp
), NULL
, NULL
,
2308 ZIO_PRIORITY_SYNC_READ
, ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW_COMPRESS
,
2310 error
= zio_wait(zio
);
2312 (void) fprintf(stderr
, "read failed: %d\n", error
);
2315 buf
= abd_borrow_buf_copy(pabd
, BP_GET_LSIZE(bp
));
2316 memcpy(&zstd_hdr
, buf
, sizeof (zstd_hdr
));
2317 zstd_hdr
.c_len
= BE_32(zstd_hdr
.c_len
);
2318 zstd_hdr
.raw_version_level
= BE_32(zstd_hdr
.raw_version_level
);
2320 (void) snprintf(blkbuf
+ strlen(blkbuf
),
2321 buflen
- strlen(blkbuf
),
2322 " ZSTD:size=%u:version=%u:level=%u:NORMAL",
2323 zstd_hdr
.c_len
, zfs_get_hdrversion(&zstd_hdr
),
2324 zfs_get_hdrlevel(&zstd_hdr
));
2326 abd_return_buf_copy(pabd
, buf
, BP_GET_LSIZE(bp
));
2330 snprintf_blkptr_compact(char *blkbuf
, size_t buflen
, const blkptr_t
*bp
,
2333 const dva_t
*dva
= bp
->blk_dva
;
2334 int ndvas
= dump_opt
['d'] > 5 ? BP_GET_NDVAS(bp
) : 1;
2337 if (dump_opt
['b'] >= 6) {
2338 snprintf_blkptr(blkbuf
, buflen
, bp
);
2340 (void) snprintf(blkbuf
+ strlen(blkbuf
),
2341 buflen
- strlen(blkbuf
), " %s", "FREE");
2346 if (BP_IS_EMBEDDED(bp
)) {
2347 (void) sprintf(blkbuf
,
2348 "EMBEDDED et=%u %llxL/%llxP B=%llu",
2349 (int)BPE_GET_ETYPE(bp
),
2350 (u_longlong_t
)BPE_GET_LSIZE(bp
),
2351 (u_longlong_t
)BPE_GET_PSIZE(bp
),
2352 (u_longlong_t
)bp
->blk_birth
);
2358 for (i
= 0; i
< ndvas
; i
++)
2359 (void) snprintf(blkbuf
+ strlen(blkbuf
),
2360 buflen
- strlen(blkbuf
), "%llu:%llx:%llx ",
2361 (u_longlong_t
)DVA_GET_VDEV(&dva
[i
]),
2362 (u_longlong_t
)DVA_GET_OFFSET(&dva
[i
]),
2363 (u_longlong_t
)DVA_GET_ASIZE(&dva
[i
]));
2365 if (BP_IS_HOLE(bp
)) {
2366 (void) snprintf(blkbuf
+ strlen(blkbuf
),
2367 buflen
- strlen(blkbuf
),
2369 (u_longlong_t
)BP_GET_LSIZE(bp
),
2370 (u_longlong_t
)bp
->blk_birth
);
2372 (void) snprintf(blkbuf
+ strlen(blkbuf
),
2373 buflen
- strlen(blkbuf
),
2374 "%llxL/%llxP F=%llu B=%llu/%llu",
2375 (u_longlong_t
)BP_GET_LSIZE(bp
),
2376 (u_longlong_t
)BP_GET_PSIZE(bp
),
2377 (u_longlong_t
)BP_GET_FILL(bp
),
2378 (u_longlong_t
)bp
->blk_birth
,
2379 (u_longlong_t
)BP_PHYSICAL_BIRTH(bp
));
2381 (void) snprintf(blkbuf
+ strlen(blkbuf
),
2382 buflen
- strlen(blkbuf
), " %s", "FREE");
2383 (void) snprintf(blkbuf
+ strlen(blkbuf
),
2384 buflen
- strlen(blkbuf
),
2385 " cksum=%016llx:%016llx:%016llx:%016llx",
2386 (u_longlong_t
)bp
->blk_cksum
.zc_word
[0],
2387 (u_longlong_t
)bp
->blk_cksum
.zc_word
[1],
2388 (u_longlong_t
)bp
->blk_cksum
.zc_word
[2],
2389 (u_longlong_t
)bp
->blk_cksum
.zc_word
[3]);
2394 print_indirect(spa_t
*spa
, blkptr_t
*bp
, const zbookmark_phys_t
*zb
,
2395 const dnode_phys_t
*dnp
)
2397 char blkbuf
[BP_SPRINTF_LEN
];
2400 if (!BP_IS_EMBEDDED(bp
)) {
2401 ASSERT3U(BP_GET_TYPE(bp
), ==, dnp
->dn_type
);
2402 ASSERT3U(BP_GET_LEVEL(bp
), ==, zb
->zb_level
);
2405 (void) printf("%16llx ", (u_longlong_t
)blkid2offset(dnp
, bp
, zb
));
2407 ASSERT(zb
->zb_level
>= 0);
2409 for (l
= dnp
->dn_nlevels
- 1; l
>= -1; l
--) {
2410 if (l
== zb
->zb_level
) {
2411 (void) printf("L%llx", (u_longlong_t
)zb
->zb_level
);
2417 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), bp
, B_FALSE
);
2418 if (dump_opt
['Z'] && BP_GET_COMPRESS(bp
) == ZIO_COMPRESS_ZSTD
)
2419 snprintf_zstd_header(spa
, blkbuf
, sizeof (blkbuf
), bp
);
2420 (void) printf("%s\n", blkbuf
);
2424 visit_indirect(spa_t
*spa
, const dnode_phys_t
*dnp
,
2425 blkptr_t
*bp
, const zbookmark_phys_t
*zb
)
2429 if (bp
->blk_birth
== 0)
2432 print_indirect(spa
, bp
, zb
, dnp
);
2434 if (BP_GET_LEVEL(bp
) > 0 && !BP_IS_HOLE(bp
)) {
2435 arc_flags_t flags
= ARC_FLAG_WAIT
;
2438 int epb
= BP_GET_LSIZE(bp
) >> SPA_BLKPTRSHIFT
;
2441 ASSERT(!BP_IS_REDACTED(bp
));
2443 err
= arc_read(NULL
, spa
, bp
, arc_getbuf_func
, &buf
,
2444 ZIO_PRIORITY_ASYNC_READ
, ZIO_FLAG_CANFAIL
, &flags
, zb
);
2447 ASSERT(buf
->b_data
);
2449 /* recursively visit blocks below this */
2451 for (i
= 0; i
< epb
; i
++, cbp
++) {
2452 zbookmark_phys_t czb
;
2454 SET_BOOKMARK(&czb
, zb
->zb_objset
, zb
->zb_object
,
2456 zb
->zb_blkid
* epb
+ i
);
2457 err
= visit_indirect(spa
, dnp
, cbp
, &czb
);
2460 fill
+= BP_GET_FILL(cbp
);
2463 ASSERT3U(fill
, ==, BP_GET_FILL(bp
));
2464 arc_buf_destroy(buf
, &buf
);
2471 dump_indirect(dnode_t
*dn
)
2473 dnode_phys_t
*dnp
= dn
->dn_phys
;
2474 zbookmark_phys_t czb
;
2476 (void) printf("Indirect blocks:\n");
2478 SET_BOOKMARK(&czb
, dmu_objset_id(dn
->dn_objset
),
2479 dn
->dn_object
, dnp
->dn_nlevels
- 1, 0);
2480 for (int j
= 0; j
< dnp
->dn_nblkptr
; j
++) {
2482 (void) visit_indirect(dmu_objset_spa(dn
->dn_objset
), dnp
,
2483 &dnp
->dn_blkptr
[j
], &czb
);
2486 (void) printf("\n");
2490 dump_dsl_dir(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
2492 (void) os
, (void) object
;
2493 dsl_dir_phys_t
*dd
= data
;
2497 /* make sure nicenum has enough space */
2498 _Static_assert(sizeof (nice
) >= NN_NUMBUF_SZ
, "nice truncated");
2503 ASSERT3U(size
, >=, sizeof (dsl_dir_phys_t
));
2505 crtime
= dd
->dd_creation_time
;
2506 (void) printf("\t\tcreation_time = %s", ctime(&crtime
));
2507 (void) printf("\t\thead_dataset_obj = %llu\n",
2508 (u_longlong_t
)dd
->dd_head_dataset_obj
);
2509 (void) printf("\t\tparent_dir_obj = %llu\n",
2510 (u_longlong_t
)dd
->dd_parent_obj
);
2511 (void) printf("\t\torigin_obj = %llu\n",
2512 (u_longlong_t
)dd
->dd_origin_obj
);
2513 (void) printf("\t\tchild_dir_zapobj = %llu\n",
2514 (u_longlong_t
)dd
->dd_child_dir_zapobj
);
2515 zdb_nicenum(dd
->dd_used_bytes
, nice
, sizeof (nice
));
2516 (void) printf("\t\tused_bytes = %s\n", nice
);
2517 zdb_nicenum(dd
->dd_compressed_bytes
, nice
, sizeof (nice
));
2518 (void) printf("\t\tcompressed_bytes = %s\n", nice
);
2519 zdb_nicenum(dd
->dd_uncompressed_bytes
, nice
, sizeof (nice
));
2520 (void) printf("\t\tuncompressed_bytes = %s\n", nice
);
2521 zdb_nicenum(dd
->dd_quota
, nice
, sizeof (nice
));
2522 (void) printf("\t\tquota = %s\n", nice
);
2523 zdb_nicenum(dd
->dd_reserved
, nice
, sizeof (nice
));
2524 (void) printf("\t\treserved = %s\n", nice
);
2525 (void) printf("\t\tprops_zapobj = %llu\n",
2526 (u_longlong_t
)dd
->dd_props_zapobj
);
2527 (void) printf("\t\tdeleg_zapobj = %llu\n",
2528 (u_longlong_t
)dd
->dd_deleg_zapobj
);
2529 (void) printf("\t\tflags = %llx\n",
2530 (u_longlong_t
)dd
->dd_flags
);
2533 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice, \
2535 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
2542 (void) printf("\t\tclones = %llu\n",
2543 (u_longlong_t
)dd
->dd_clones
);
2547 dump_dsl_dataset(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
2549 (void) os
, (void) object
;
2550 dsl_dataset_phys_t
*ds
= data
;
2552 char used
[32], compressed
[32], uncompressed
[32], unique
[32];
2553 char blkbuf
[BP_SPRINTF_LEN
];
2555 /* make sure nicenum has enough space */
2556 _Static_assert(sizeof (used
) >= NN_NUMBUF_SZ
, "used truncated");
2557 _Static_assert(sizeof (compressed
) >= NN_NUMBUF_SZ
,
2558 "compressed truncated");
2559 _Static_assert(sizeof (uncompressed
) >= NN_NUMBUF_SZ
,
2560 "uncompressed truncated");
2561 _Static_assert(sizeof (unique
) >= NN_NUMBUF_SZ
, "unique truncated");
2566 ASSERT(size
== sizeof (*ds
));
2567 crtime
= ds
->ds_creation_time
;
2568 zdb_nicenum(ds
->ds_referenced_bytes
, used
, sizeof (used
));
2569 zdb_nicenum(ds
->ds_compressed_bytes
, compressed
, sizeof (compressed
));
2570 zdb_nicenum(ds
->ds_uncompressed_bytes
, uncompressed
,
2571 sizeof (uncompressed
));
2572 zdb_nicenum(ds
->ds_unique_bytes
, unique
, sizeof (unique
));
2573 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &ds
->ds_bp
);
2575 (void) printf("\t\tdir_obj = %llu\n",
2576 (u_longlong_t
)ds
->ds_dir_obj
);
2577 (void) printf("\t\tprev_snap_obj = %llu\n",
2578 (u_longlong_t
)ds
->ds_prev_snap_obj
);
2579 (void) printf("\t\tprev_snap_txg = %llu\n",
2580 (u_longlong_t
)ds
->ds_prev_snap_txg
);
2581 (void) printf("\t\tnext_snap_obj = %llu\n",
2582 (u_longlong_t
)ds
->ds_next_snap_obj
);
2583 (void) printf("\t\tsnapnames_zapobj = %llu\n",
2584 (u_longlong_t
)ds
->ds_snapnames_zapobj
);
2585 (void) printf("\t\tnum_children = %llu\n",
2586 (u_longlong_t
)ds
->ds_num_children
);
2587 (void) printf("\t\tuserrefs_obj = %llu\n",
2588 (u_longlong_t
)ds
->ds_userrefs_obj
);
2589 (void) printf("\t\tcreation_time = %s", ctime(&crtime
));
2590 (void) printf("\t\tcreation_txg = %llu\n",
2591 (u_longlong_t
)ds
->ds_creation_txg
);
2592 (void) printf("\t\tdeadlist_obj = %llu\n",
2593 (u_longlong_t
)ds
->ds_deadlist_obj
);
2594 (void) printf("\t\tused_bytes = %s\n", used
);
2595 (void) printf("\t\tcompressed_bytes = %s\n", compressed
);
2596 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed
);
2597 (void) printf("\t\tunique = %s\n", unique
);
2598 (void) printf("\t\tfsid_guid = %llu\n",
2599 (u_longlong_t
)ds
->ds_fsid_guid
);
2600 (void) printf("\t\tguid = %llu\n",
2601 (u_longlong_t
)ds
->ds_guid
);
2602 (void) printf("\t\tflags = %llx\n",
2603 (u_longlong_t
)ds
->ds_flags
);
2604 (void) printf("\t\tnext_clones_obj = %llu\n",
2605 (u_longlong_t
)ds
->ds_next_clones_obj
);
2606 (void) printf("\t\tprops_obj = %llu\n",
2607 (u_longlong_t
)ds
->ds_props_obj
);
2608 (void) printf("\t\tbp = %s\n", blkbuf
);
2612 dump_bptree_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
2614 (void) arg
, (void) tx
;
2615 char blkbuf
[BP_SPRINTF_LEN
];
2617 if (bp
->blk_birth
!= 0) {
2618 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
2619 (void) printf("\t%s\n", blkbuf
);
2625 dump_bptree(objset_t
*os
, uint64_t obj
, const char *name
)
2631 /* make sure nicenum has enough space */
2632 _Static_assert(sizeof (bytes
) >= NN_NUMBUF_SZ
, "bytes truncated");
2634 if (dump_opt
['d'] < 3)
2637 VERIFY3U(0, ==, dmu_bonus_hold(os
, obj
, FTAG
, &db
));
2639 zdb_nicenum(bt
->bt_bytes
, bytes
, sizeof (bytes
));
2640 (void) printf("\n %s: %llu datasets, %s\n",
2641 name
, (unsigned long long)(bt
->bt_end
- bt
->bt_begin
), bytes
);
2642 dmu_buf_rele(db
, FTAG
);
2644 if (dump_opt
['d'] < 5)
2647 (void) printf("\n");
2649 (void) bptree_iterate(os
, obj
, B_FALSE
, dump_bptree_cb
, NULL
, NULL
);
2653 dump_bpobj_cb(void *arg
, const blkptr_t
*bp
, boolean_t bp_freed
, dmu_tx_t
*tx
)
2655 (void) arg
, (void) tx
;
2656 char blkbuf
[BP_SPRINTF_LEN
];
2658 ASSERT(bp
->blk_birth
!= 0);
2659 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
), bp
, bp_freed
);
2660 (void) printf("\t%s\n", blkbuf
);
2665 dump_full_bpobj(bpobj_t
*bpo
, const char *name
, int indent
)
2672 /* make sure nicenum has enough space */
2673 _Static_assert(sizeof (bytes
) >= NN_NUMBUF_SZ
, "bytes truncated");
2674 _Static_assert(sizeof (comp
) >= NN_NUMBUF_SZ
, "comp truncated");
2675 _Static_assert(sizeof (uncomp
) >= NN_NUMBUF_SZ
, "uncomp truncated");
2677 if (dump_opt
['d'] < 3)
2680 zdb_nicenum(bpo
->bpo_phys
->bpo_bytes
, bytes
, sizeof (bytes
));
2681 if (bpo
->bpo_havesubobj
&& bpo
->bpo_phys
->bpo_subobjs
!= 0) {
2682 zdb_nicenum(bpo
->bpo_phys
->bpo_comp
, comp
, sizeof (comp
));
2683 zdb_nicenum(bpo
->bpo_phys
->bpo_uncomp
, uncomp
, sizeof (uncomp
));
2684 if (bpo
->bpo_havefreed
) {
2685 (void) printf(" %*s: object %llu, %llu local "
2686 "blkptrs, %llu freed, %llu subobjs in object %llu, "
2687 "%s (%s/%s comp)\n",
2689 (u_longlong_t
)bpo
->bpo_object
,
2690 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
2691 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_freed
,
2692 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_subobjs
,
2693 (u_longlong_t
)bpo
->bpo_phys
->bpo_subobjs
,
2694 bytes
, comp
, uncomp
);
2696 (void) printf(" %*s: object %llu, %llu local "
2697 "blkptrs, %llu subobjs in object %llu, "
2698 "%s (%s/%s comp)\n",
2700 (u_longlong_t
)bpo
->bpo_object
,
2701 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
2702 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_subobjs
,
2703 (u_longlong_t
)bpo
->bpo_phys
->bpo_subobjs
,
2704 bytes
, comp
, uncomp
);
2707 for (i
= 0; i
< bpo
->bpo_phys
->bpo_num_subobjs
; i
++) {
2711 VERIFY0(dmu_read(bpo
->bpo_os
,
2712 bpo
->bpo_phys
->bpo_subobjs
,
2713 i
* sizeof (subobj
), sizeof (subobj
), &subobj
, 0));
2714 error
= bpobj_open(&subbpo
, bpo
->bpo_os
, subobj
);
2716 (void) printf("ERROR %u while trying to open "
2718 error
, (u_longlong_t
)subobj
);
2721 dump_full_bpobj(&subbpo
, "subobj", indent
+ 1);
2722 bpobj_close(&subbpo
);
2725 if (bpo
->bpo_havefreed
) {
2726 (void) printf(" %*s: object %llu, %llu blkptrs, "
2729 (u_longlong_t
)bpo
->bpo_object
,
2730 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
2731 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_freed
,
2734 (void) printf(" %*s: object %llu, %llu blkptrs, "
2737 (u_longlong_t
)bpo
->bpo_object
,
2738 (u_longlong_t
)bpo
->bpo_phys
->bpo_num_blkptrs
,
2743 if (dump_opt
['d'] < 5)
2748 (void) bpobj_iterate_nofree(bpo
, dump_bpobj_cb
, NULL
, NULL
);
2749 (void) printf("\n");
2754 dump_bookmark(dsl_pool_t
*dp
, char *name
, boolean_t print_redact
,
2755 boolean_t print_list
)
2758 zfs_bookmark_phys_t prop
;
2759 objset_t
*mos
= dp
->dp_spa
->spa_meta_objset
;
2760 err
= dsl_bookmark_lookup(dp
, name
, NULL
, &prop
);
2766 (void) printf("\t#%s: ", strchr(name
, '#') + 1);
2767 (void) printf("{guid: %llx creation_txg: %llu creation_time: "
2768 "%llu redaction_obj: %llu}\n", (u_longlong_t
)prop
.zbm_guid
,
2769 (u_longlong_t
)prop
.zbm_creation_txg
,
2770 (u_longlong_t
)prop
.zbm_creation_time
,
2771 (u_longlong_t
)prop
.zbm_redaction_obj
);
2773 IMPLY(print_list
, print_redact
);
2774 if (!print_redact
|| prop
.zbm_redaction_obj
== 0)
2777 redaction_list_t
*rl
;
2778 VERIFY0(dsl_redaction_list_hold_obj(dp
,
2779 prop
.zbm_redaction_obj
, FTAG
, &rl
));
2781 redaction_list_phys_t
*rlp
= rl
->rl_phys
;
2782 (void) printf("\tRedacted:\n\t\tProgress: ");
2783 if (rlp
->rlp_last_object
!= UINT64_MAX
||
2784 rlp
->rlp_last_blkid
!= UINT64_MAX
) {
2785 (void) printf("%llu %llu (incomplete)\n",
2786 (u_longlong_t
)rlp
->rlp_last_object
,
2787 (u_longlong_t
)rlp
->rlp_last_blkid
);
2789 (void) printf("complete\n");
2791 (void) printf("\t\tSnapshots: [");
2792 for (unsigned int i
= 0; i
< rlp
->rlp_num_snaps
; i
++) {
2794 (void) printf(", ");
2795 (void) printf("%0llu",
2796 (u_longlong_t
)rlp
->rlp_snaps
[i
]);
2798 (void) printf("]\n\t\tLength: %llu\n",
2799 (u_longlong_t
)rlp
->rlp_num_entries
);
2802 dsl_redaction_list_rele(rl
, FTAG
);
2806 if (rlp
->rlp_num_entries
== 0) {
2807 dsl_redaction_list_rele(rl
, FTAG
);
2808 (void) printf("\t\tRedaction List: []\n\n");
2812 redact_block_phys_t
*rbp_buf
;
2814 dmu_object_info_t doi
;
2816 VERIFY0(dmu_object_info(mos
, prop
.zbm_redaction_obj
, &doi
));
2817 size
= doi
.doi_max_offset
;
2818 rbp_buf
= kmem_alloc(size
, KM_SLEEP
);
2820 err
= dmu_read(mos
, prop
.zbm_redaction_obj
, 0, size
,
2823 dsl_redaction_list_rele(rl
, FTAG
);
2824 kmem_free(rbp_buf
, size
);
2828 (void) printf("\t\tRedaction List: [{object: %llx, offset: "
2829 "%llx, blksz: %x, count: %llx}",
2830 (u_longlong_t
)rbp_buf
[0].rbp_object
,
2831 (u_longlong_t
)rbp_buf
[0].rbp_blkid
,
2832 (uint_t
)(redact_block_get_size(&rbp_buf
[0])),
2833 (u_longlong_t
)redact_block_get_count(&rbp_buf
[0]));
2835 for (size_t i
= 1; i
< rlp
->rlp_num_entries
; i
++) {
2836 (void) printf(",\n\t\t{object: %llx, offset: %llx, "
2837 "blksz: %x, count: %llx}",
2838 (u_longlong_t
)rbp_buf
[i
].rbp_object
,
2839 (u_longlong_t
)rbp_buf
[i
].rbp_blkid
,
2840 (uint_t
)(redact_block_get_size(&rbp_buf
[i
])),
2841 (u_longlong_t
)redact_block_get_count(&rbp_buf
[i
]));
2843 dsl_redaction_list_rele(rl
, FTAG
);
2844 kmem_free(rbp_buf
, size
);
2845 (void) printf("]\n\n");
2850 dump_bookmarks(objset_t
*os
, int verbosity
)
2853 zap_attribute_t attr
;
2854 dsl_dataset_t
*ds
= dmu_objset_ds(os
);
2855 dsl_pool_t
*dp
= spa_get_dsl(os
->os_spa
);
2856 objset_t
*mos
= os
->os_spa
->spa_meta_objset
;
2859 dsl_pool_config_enter(dp
, FTAG
);
2861 for (zap_cursor_init(&zc
, mos
, ds
->ds_bookmarks_obj
);
2862 zap_cursor_retrieve(&zc
, &attr
) == 0;
2863 zap_cursor_advance(&zc
)) {
2864 char osname
[ZFS_MAX_DATASET_NAME_LEN
];
2865 char buf
[ZFS_MAX_DATASET_NAME_LEN
];
2867 dmu_objset_name(os
, osname
);
2868 len
= snprintf(buf
, sizeof (buf
), "%s#%s", osname
,
2870 VERIFY3S(len
, <, ZFS_MAX_DATASET_NAME_LEN
);
2871 (void) dump_bookmark(dp
, buf
, verbosity
>= 5, verbosity
>= 6);
2873 zap_cursor_fini(&zc
);
2874 dsl_pool_config_exit(dp
, FTAG
);
2878 bpobj_count_refd(bpobj_t
*bpo
)
2880 mos_obj_refd(bpo
->bpo_object
);
2882 if (bpo
->bpo_havesubobj
&& bpo
->bpo_phys
->bpo_subobjs
!= 0) {
2883 mos_obj_refd(bpo
->bpo_phys
->bpo_subobjs
);
2884 for (uint64_t i
= 0; i
< bpo
->bpo_phys
->bpo_num_subobjs
; i
++) {
2888 VERIFY0(dmu_read(bpo
->bpo_os
,
2889 bpo
->bpo_phys
->bpo_subobjs
,
2890 i
* sizeof (subobj
), sizeof (subobj
), &subobj
, 0));
2891 error
= bpobj_open(&subbpo
, bpo
->bpo_os
, subobj
);
2893 (void) printf("ERROR %u while trying to open "
2895 error
, (u_longlong_t
)subobj
);
2898 bpobj_count_refd(&subbpo
);
2899 bpobj_close(&subbpo
);
2905 dsl_deadlist_entry_count_refd(void *arg
, dsl_deadlist_entry_t
*dle
)
2908 uint64_t empty_bpobj
= spa
->spa_dsl_pool
->dp_empty_bpobj
;
2909 if (dle
->dle_bpobj
.bpo_object
!= empty_bpobj
)
2910 bpobj_count_refd(&dle
->dle_bpobj
);
2915 dsl_deadlist_entry_dump(void *arg
, dsl_deadlist_entry_t
*dle
)
2917 ASSERT(arg
== NULL
);
2918 if (dump_opt
['d'] >= 5) {
2920 (void) snprintf(buf
, sizeof (buf
),
2921 "mintxg %llu -> obj %llu",
2922 (longlong_t
)dle
->dle_mintxg
,
2923 (longlong_t
)dle
->dle_bpobj
.bpo_object
);
2925 dump_full_bpobj(&dle
->dle_bpobj
, buf
, 0);
2927 (void) printf("mintxg %llu -> obj %llu\n",
2928 (longlong_t
)dle
->dle_mintxg
,
2929 (longlong_t
)dle
->dle_bpobj
.bpo_object
);
2935 dump_blkptr_list(dsl_deadlist_t
*dl
, const char *name
)
2941 spa_t
*spa
= dmu_objset_spa(dl
->dl_os
);
2942 uint64_t empty_bpobj
= spa
->spa_dsl_pool
->dp_empty_bpobj
;
2944 if (dl
->dl_oldfmt
) {
2945 if (dl
->dl_bpobj
.bpo_object
!= empty_bpobj
)
2946 bpobj_count_refd(&dl
->dl_bpobj
);
2948 mos_obj_refd(dl
->dl_object
);
2949 dsl_deadlist_iterate(dl
, dsl_deadlist_entry_count_refd
, spa
);
2952 /* make sure nicenum has enough space */
2953 _Static_assert(sizeof (bytes
) >= NN_NUMBUF_SZ
, "bytes truncated");
2954 _Static_assert(sizeof (comp
) >= NN_NUMBUF_SZ
, "comp truncated");
2955 _Static_assert(sizeof (uncomp
) >= NN_NUMBUF_SZ
, "uncomp truncated");
2956 _Static_assert(sizeof (entries
) >= NN_NUMBUF_SZ
, "entries truncated");
2958 if (dump_opt
['d'] < 3)
2961 if (dl
->dl_oldfmt
) {
2962 dump_full_bpobj(&dl
->dl_bpobj
, "old-format deadlist", 0);
2966 zdb_nicenum(dl
->dl_phys
->dl_used
, bytes
, sizeof (bytes
));
2967 zdb_nicenum(dl
->dl_phys
->dl_comp
, comp
, sizeof (comp
));
2968 zdb_nicenum(dl
->dl_phys
->dl_uncomp
, uncomp
, sizeof (uncomp
));
2969 zdb_nicenum(avl_numnodes(&dl
->dl_tree
), entries
, sizeof (entries
));
2970 (void) printf("\n %s: %s (%s/%s comp), %s entries\n",
2971 name
, bytes
, comp
, uncomp
, entries
);
2973 if (dump_opt
['d'] < 4)
2976 (void) putchar('\n');
2978 dsl_deadlist_iterate(dl
, dsl_deadlist_entry_dump
, NULL
);
2982 verify_dd_livelist(objset_t
*os
)
2984 uint64_t ll_used
, used
, ll_comp
, comp
, ll_uncomp
, uncomp
;
2985 dsl_pool_t
*dp
= spa_get_dsl(os
->os_spa
);
2986 dsl_dir_t
*dd
= os
->os_dsl_dataset
->ds_dir
;
2988 ASSERT(!dmu_objset_is_snapshot(os
));
2989 if (!dsl_deadlist_is_open(&dd
->dd_livelist
))
2992 /* Iterate through the livelist to check for duplicates */
2993 dsl_deadlist_iterate(&dd
->dd_livelist
, sublivelist_verify_lightweight
,
2996 dsl_pool_config_enter(dp
, FTAG
);
2997 dsl_deadlist_space(&dd
->dd_livelist
, &ll_used
,
2998 &ll_comp
, &ll_uncomp
);
3000 dsl_dataset_t
*origin_ds
;
3001 ASSERT(dsl_pool_config_held(dp
));
3002 VERIFY0(dsl_dataset_hold_obj(dp
,
3003 dsl_dir_phys(dd
)->dd_origin_obj
, FTAG
, &origin_ds
));
3004 VERIFY0(dsl_dataset_space_written(origin_ds
, os
->os_dsl_dataset
,
3005 &used
, &comp
, &uncomp
));
3006 dsl_dataset_rele(origin_ds
, FTAG
);
3007 dsl_pool_config_exit(dp
, FTAG
);
3009 * It's possible that the dataset's uncomp space is larger than the
3010 * livelist's because livelists do not track embedded block pointers
3012 if (used
!= ll_used
|| comp
!= ll_comp
|| uncomp
< ll_uncomp
) {
3013 char nice_used
[32], nice_comp
[32], nice_uncomp
[32];
3014 (void) printf("Discrepancy in space accounting:\n");
3015 zdb_nicenum(used
, nice_used
, sizeof (nice_used
));
3016 zdb_nicenum(comp
, nice_comp
, sizeof (nice_comp
));
3017 zdb_nicenum(uncomp
, nice_uncomp
, sizeof (nice_uncomp
));
3018 (void) printf("dir: used %s, comp %s, uncomp %s\n",
3019 nice_used
, nice_comp
, nice_uncomp
);
3020 zdb_nicenum(ll_used
, nice_used
, sizeof (nice_used
));
3021 zdb_nicenum(ll_comp
, nice_comp
, sizeof (nice_comp
));
3022 zdb_nicenum(ll_uncomp
, nice_uncomp
, sizeof (nice_uncomp
));
3023 (void) printf("livelist: used %s, comp %s, uncomp %s\n",
3024 nice_used
, nice_comp
, nice_uncomp
);
3030 static char *key_material
= NULL
;
3033 zdb_derive_key(dsl_dir_t
*dd
, uint8_t *key_out
)
3035 uint64_t keyformat
, salt
, iters
;
3039 VERIFY0(zap_lookup(dd
->dd_pool
->dp_meta_objset
, dd
->dd_crypto_obj
,
3040 zfs_prop_to_name(ZFS_PROP_KEYFORMAT
), sizeof (uint64_t),
3043 switch (keyformat
) {
3044 case ZFS_KEYFORMAT_HEX
:
3045 for (i
= 0; i
< WRAPPING_KEY_LEN
* 2; i
+= 2) {
3046 if (!isxdigit(key_material
[i
]) ||
3047 !isxdigit(key_material
[i
+1]))
3049 if (sscanf(&key_material
[i
], "%02hhx", &c
) != 1)
3055 case ZFS_KEYFORMAT_PASSPHRASE
:
3056 VERIFY0(zap_lookup(dd
->dd_pool
->dp_meta_objset
,
3057 dd
->dd_crypto_obj
, zfs_prop_to_name(ZFS_PROP_PBKDF2_SALT
),
3058 sizeof (uint64_t), 1, &salt
));
3059 VERIFY0(zap_lookup(dd
->dd_pool
->dp_meta_objset
,
3060 dd
->dd_crypto_obj
, zfs_prop_to_name(ZFS_PROP_PBKDF2_ITERS
),
3061 sizeof (uint64_t), 1, &iters
));
3063 if (PKCS5_PBKDF2_HMAC_SHA1(key_material
, strlen(key_material
),
3064 ((uint8_t *)&salt
), sizeof (uint64_t), iters
,
3065 WRAPPING_KEY_LEN
, key_out
) != 1)
3071 fatal("no support for key format %u\n",
3072 (unsigned int) keyformat
);
3078 static char encroot
[ZFS_MAX_DATASET_NAME_LEN
];
3079 static boolean_t key_loaded
= B_FALSE
;
3082 zdb_load_key(objset_t
*os
)
3085 dsl_dir_t
*dd
, *rdd
;
3086 uint8_t key
[WRAPPING_KEY_LEN
];
3090 dp
= spa_get_dsl(os
->os_spa
);
3091 dd
= os
->os_dsl_dataset
->ds_dir
;
3093 dsl_pool_config_enter(dp
, FTAG
);
3094 VERIFY0(zap_lookup(dd
->dd_pool
->dp_meta_objset
, dd
->dd_crypto_obj
,
3095 DSL_CRYPTO_KEY_ROOT_DDOBJ
, sizeof (uint64_t), 1, &rddobj
));
3096 VERIFY0(dsl_dir_hold_obj(dd
->dd_pool
, rddobj
, NULL
, FTAG
, &rdd
));
3097 dsl_dir_name(rdd
, encroot
);
3098 dsl_dir_rele(rdd
, FTAG
);
3100 if (!zdb_derive_key(dd
, key
))
3101 fatal("couldn't derive encryption key");
3103 dsl_pool_config_exit(dp
, FTAG
);
3105 ASSERT3U(dsl_dataset_get_keystatus(dd
), ==, ZFS_KEYSTATUS_UNAVAILABLE
);
3107 dsl_crypto_params_t
*dcp
;
3108 nvlist_t
*crypto_args
;
3110 crypto_args
= fnvlist_alloc();
3111 fnvlist_add_uint8_array(crypto_args
, "wkeydata",
3112 (uint8_t *)key
, WRAPPING_KEY_LEN
);
3113 VERIFY0(dsl_crypto_params_create_nvlist(DCP_CMD_NONE
,
3114 NULL
, crypto_args
, &dcp
));
3115 err
= spa_keystore_load_wkey(encroot
, dcp
, B_FALSE
);
3117 dsl_crypto_params_free(dcp
, (err
!= 0));
3118 fnvlist_free(crypto_args
);
3122 "couldn't load encryption key for %s: %s",
3123 encroot
, strerror(err
));
3125 ASSERT3U(dsl_dataset_get_keystatus(dd
), ==, ZFS_KEYSTATUS_AVAILABLE
);
3127 printf("Unlocked encryption root: %s\n", encroot
);
3128 key_loaded
= B_TRUE
;
3132 zdb_unload_key(void)
3137 VERIFY0(spa_keystore_unload_wkey(encroot
));
3138 key_loaded
= B_FALSE
;
3141 static avl_tree_t idx_tree
;
3142 static avl_tree_t domain_tree
;
3143 static boolean_t fuid_table_loaded
;
3144 static objset_t
*sa_os
= NULL
;
3145 static sa_attr_type_t
*sa_attr_table
= NULL
;
3148 open_objset(const char *path
, const void *tag
, objset_t
**osp
)
3151 uint64_t sa_attrs
= 0;
3152 uint64_t version
= 0;
3154 VERIFY3P(sa_os
, ==, NULL
);
3157 * We can't own an objset if it's redacted. Therefore, we do this
3158 * dance: hold the objset, then acquire a long hold on its dataset, then
3159 * release the pool (which is held as part of holding the objset).
3162 if (dump_opt
['K']) {
3163 /* decryption requested, try to load keys */
3164 err
= dmu_objset_hold(path
, tag
, osp
);
3166 (void) fprintf(stderr
, "failed to hold dataset "
3168 path
, strerror(err
));
3171 dsl_dataset_long_hold(dmu_objset_ds(*osp
), tag
);
3172 dsl_pool_rele(dmu_objset_pool(*osp
), tag
);
3174 /* succeeds or dies */
3177 /* release it all */
3178 dsl_dataset_long_rele(dmu_objset_ds(*osp
), tag
);
3179 dsl_dataset_rele(dmu_objset_ds(*osp
), tag
);
3182 int ds_hold_flags
= key_loaded
? DS_HOLD_FLAG_DECRYPT
: 0;
3184 err
= dmu_objset_hold_flags(path
, ds_hold_flags
, tag
, osp
);
3186 (void) fprintf(stderr
, "failed to hold dataset '%s': %s\n",
3187 path
, strerror(err
));
3190 dsl_dataset_long_hold(dmu_objset_ds(*osp
), tag
);
3191 dsl_pool_rele(dmu_objset_pool(*osp
), tag
);
3193 if (dmu_objset_type(*osp
) == DMU_OST_ZFS
&&
3194 (key_loaded
|| !(*osp
)->os_encrypted
)) {
3195 (void) zap_lookup(*osp
, MASTER_NODE_OBJ
, ZPL_VERSION_STR
,
3197 if (version
>= ZPL_VERSION_SA
) {
3198 (void) zap_lookup(*osp
, MASTER_NODE_OBJ
, ZFS_SA_ATTRS
,
3201 err
= sa_setup(*osp
, sa_attrs
, zfs_attr_table
, ZPL_END
,
3204 (void) fprintf(stderr
, "sa_setup failed: %s\n",
3206 dsl_dataset_long_rele(dmu_objset_ds(*osp
), tag
);
3207 dsl_dataset_rele_flags(dmu_objset_ds(*osp
),
3208 ds_hold_flags
, tag
);
3218 close_objset(objset_t
*os
, const void *tag
)
3220 VERIFY3P(os
, ==, sa_os
);
3221 if (os
->os_sa
!= NULL
)
3223 dsl_dataset_long_rele(dmu_objset_ds(os
), tag
);
3224 dsl_dataset_rele_flags(dmu_objset_ds(os
),
3225 key_loaded
? DS_HOLD_FLAG_DECRYPT
: 0, tag
);
3226 sa_attr_table
= NULL
;
3233 fuid_table_destroy(void)
3235 if (fuid_table_loaded
) {
3236 zfs_fuid_table_destroy(&idx_tree
, &domain_tree
);
3237 fuid_table_loaded
= B_FALSE
;
3242 * print uid or gid information.
3243 * For normal POSIX id just the id is printed in decimal format.
3244 * For CIFS files with FUID the fuid is printed in hex followed by
3245 * the domain-rid string.
3248 print_idstr(uint64_t id
, const char *id_type
)
3250 if (FUID_INDEX(id
)) {
3251 const char *domain
=
3252 zfs_fuid_idx_domain(&idx_tree
, FUID_INDEX(id
));
3253 (void) printf("\t%s %llx [%s-%d]\n", id_type
,
3254 (u_longlong_t
)id
, domain
, (int)FUID_RID(id
));
3256 (void) printf("\t%s %llu\n", id_type
, (u_longlong_t
)id
);
3262 dump_uidgid(objset_t
*os
, uint64_t uid
, uint64_t gid
)
3264 uint32_t uid_idx
, gid_idx
;
3266 uid_idx
= FUID_INDEX(uid
);
3267 gid_idx
= FUID_INDEX(gid
);
3269 /* Load domain table, if not already loaded */
3270 if (!fuid_table_loaded
&& (uid_idx
|| gid_idx
)) {
3273 /* first find the fuid object. It lives in the master node */
3274 VERIFY(zap_lookup(os
, MASTER_NODE_OBJ
, ZFS_FUID_TABLES
,
3275 8, 1, &fuid_obj
) == 0);
3276 zfs_fuid_avl_tree_create(&idx_tree
, &domain_tree
);
3277 (void) zfs_fuid_table_load(os
, fuid_obj
,
3278 &idx_tree
, &domain_tree
);
3279 fuid_table_loaded
= B_TRUE
;
3282 print_idstr(uid
, "uid");
3283 print_idstr(gid
, "gid");
3287 dump_znode_sa_xattr(sa_handle_t
*hdl
)
3290 nvpair_t
*elem
= NULL
;
3291 int sa_xattr_size
= 0;
3292 int sa_xattr_entries
= 0;
3294 char *sa_xattr_packed
;
3296 error
= sa_size(hdl
, sa_attr_table
[ZPL_DXATTR
], &sa_xattr_size
);
3297 if (error
|| sa_xattr_size
== 0)
3300 sa_xattr_packed
= malloc(sa_xattr_size
);
3301 if (sa_xattr_packed
== NULL
)
3304 error
= sa_lookup(hdl
, sa_attr_table
[ZPL_DXATTR
],
3305 sa_xattr_packed
, sa_xattr_size
);
3307 free(sa_xattr_packed
);
3311 error
= nvlist_unpack(sa_xattr_packed
, sa_xattr_size
, &sa_xattr
, 0);
3313 free(sa_xattr_packed
);
3317 while ((elem
= nvlist_next_nvpair(sa_xattr
, elem
)) != NULL
)
3320 (void) printf("\tSA xattrs: %d bytes, %d entries\n\n",
3321 sa_xattr_size
, sa_xattr_entries
);
3322 while ((elem
= nvlist_next_nvpair(sa_xattr
, elem
)) != NULL
) {
3326 (void) printf("\t\t%s = ", nvpair_name(elem
));
3327 nvpair_value_byte_array(elem
, &value
, &cnt
);
3328 for (idx
= 0; idx
< cnt
; ++idx
) {
3329 if (isprint(value
[idx
]))
3330 (void) putchar(value
[idx
]);
3332 (void) printf("\\%3.3o", value
[idx
]);
3334 (void) putchar('\n');
3337 nvlist_free(sa_xattr
);
3338 free(sa_xattr_packed
);
3342 dump_znode_symlink(sa_handle_t
*hdl
)
3344 int sa_symlink_size
= 0;
3345 char linktarget
[MAXPATHLEN
];
3348 error
= sa_size(hdl
, sa_attr_table
[ZPL_SYMLINK
], &sa_symlink_size
);
3349 if (error
|| sa_symlink_size
== 0) {
3352 if (sa_symlink_size
>= sizeof (linktarget
)) {
3353 (void) printf("symlink size %d is too large\n",
3357 linktarget
[sa_symlink_size
] = '\0';
3358 if (sa_lookup(hdl
, sa_attr_table
[ZPL_SYMLINK
],
3359 &linktarget
, sa_symlink_size
) == 0)
3360 (void) printf("\ttarget %s\n", linktarget
);
3364 dump_znode(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
3366 (void) data
, (void) size
;
3367 char path
[MAXPATHLEN
* 2]; /* allow for xattr and failure prefix */
3369 uint64_t xattr
, rdev
, gen
;
3370 uint64_t uid
, gid
, mode
, fsize
, parent
, links
;
3372 uint64_t acctm
[2], modtm
[2], chgtm
[2], crtm
[2];
3373 time_t z_crtime
, z_atime
, z_mtime
, z_ctime
;
3374 sa_bulk_attr_t bulk
[12];
3378 VERIFY3P(os
, ==, sa_os
);
3379 if (sa_handle_get(os
, object
, NULL
, SA_HDL_PRIVATE
, &hdl
)) {
3380 (void) printf("Failed to get handle for SA znode\n");
3384 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_UID
], NULL
, &uid
, 8);
3385 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_GID
], NULL
, &gid
, 8);
3386 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_LINKS
], NULL
,
3388 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_GEN
], NULL
, &gen
, 8);
3389 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_MODE
], NULL
,
3391 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_PARENT
],
3393 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_SIZE
], NULL
,
3395 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_ATIME
], NULL
,
3397 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_MTIME
], NULL
,
3399 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_CRTIME
], NULL
,
3401 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_CTIME
], NULL
,
3403 SA_ADD_BULK_ATTR(bulk
, idx
, sa_attr_table
[ZPL_FLAGS
], NULL
,
3406 if (sa_bulk_lookup(hdl
, bulk
, idx
)) {
3407 (void) sa_handle_destroy(hdl
);
3411 z_crtime
= (time_t)crtm
[0];
3412 z_atime
= (time_t)acctm
[0];
3413 z_mtime
= (time_t)modtm
[0];
3414 z_ctime
= (time_t)chgtm
[0];
3416 if (dump_opt
['d'] > 4) {
3417 error
= zfs_obj_to_path(os
, object
, path
, sizeof (path
));
3418 if (error
== ESTALE
) {
3419 (void) snprintf(path
, sizeof (path
), "on delete queue");
3420 } else if (error
!= 0) {
3422 (void) snprintf(path
, sizeof (path
),
3423 "path not found, possibly leaked");
3425 (void) printf("\tpath %s\n", path
);
3429 dump_znode_symlink(hdl
);
3430 dump_uidgid(os
, uid
, gid
);
3431 (void) printf("\tatime %s", ctime(&z_atime
));
3432 (void) printf("\tmtime %s", ctime(&z_mtime
));
3433 (void) printf("\tctime %s", ctime(&z_ctime
));
3434 (void) printf("\tcrtime %s", ctime(&z_crtime
));
3435 (void) printf("\tgen %llu\n", (u_longlong_t
)gen
);
3436 (void) printf("\tmode %llo\n", (u_longlong_t
)mode
);
3437 (void) printf("\tsize %llu\n", (u_longlong_t
)fsize
);
3438 (void) printf("\tparent %llu\n", (u_longlong_t
)parent
);
3439 (void) printf("\tlinks %llu\n", (u_longlong_t
)links
);
3440 (void) printf("\tpflags %llx\n", (u_longlong_t
)pflags
);
3441 if (dmu_objset_projectquota_enabled(os
) && (pflags
& ZFS_PROJID
)) {
3444 if (sa_lookup(hdl
, sa_attr_table
[ZPL_PROJID
], &projid
,
3445 sizeof (uint64_t)) == 0)
3446 (void) printf("\tprojid %llu\n", (u_longlong_t
)projid
);
3448 if (sa_lookup(hdl
, sa_attr_table
[ZPL_XATTR
], &xattr
,
3449 sizeof (uint64_t)) == 0)
3450 (void) printf("\txattr %llu\n", (u_longlong_t
)xattr
);
3451 if (sa_lookup(hdl
, sa_attr_table
[ZPL_RDEV
], &rdev
,
3452 sizeof (uint64_t)) == 0)
3453 (void) printf("\trdev 0x%016llx\n", (u_longlong_t
)rdev
);
3454 dump_znode_sa_xattr(hdl
);
3455 sa_handle_destroy(hdl
);
3459 dump_acl(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
3461 (void) os
, (void) object
, (void) data
, (void) size
;
3465 dump_dmu_objset(objset_t
*os
, uint64_t object
, void *data
, size_t size
)
3467 (void) os
, (void) object
, (void) data
, (void) size
;
3470 static object_viewer_t
*object_viewer
[DMU_OT_NUMTYPES
+ 1] = {
3471 dump_none
, /* unallocated */
3472 dump_zap
, /* object directory */
3473 dump_uint64
, /* object array */
3474 dump_none
, /* packed nvlist */
3475 dump_packed_nvlist
, /* packed nvlist size */
3476 dump_none
, /* bpobj */
3477 dump_bpobj
, /* bpobj header */
3478 dump_none
, /* SPA space map header */
3479 dump_none
, /* SPA space map */
3480 dump_none
, /* ZIL intent log */
3481 dump_dnode
, /* DMU dnode */
3482 dump_dmu_objset
, /* DMU objset */
3483 dump_dsl_dir
, /* DSL directory */
3484 dump_zap
, /* DSL directory child map */
3485 dump_zap
, /* DSL dataset snap map */
3486 dump_zap
, /* DSL props */
3487 dump_dsl_dataset
, /* DSL dataset */
3488 dump_znode
, /* ZFS znode */
3489 dump_acl
, /* ZFS V0 ACL */
3490 dump_uint8
, /* ZFS plain file */
3491 dump_zpldir
, /* ZFS directory */
3492 dump_zap
, /* ZFS master node */
3493 dump_zap
, /* ZFS delete queue */
3494 dump_uint8
, /* zvol object */
3495 dump_zap
, /* zvol prop */
3496 dump_uint8
, /* other uint8[] */
3497 dump_uint64
, /* other uint64[] */
3498 dump_zap
, /* other ZAP */
3499 dump_zap
, /* persistent error log */
3500 dump_uint8
, /* SPA history */
3501 dump_history_offsets
, /* SPA history offsets */
3502 dump_zap
, /* Pool properties */
3503 dump_zap
, /* DSL permissions */
3504 dump_acl
, /* ZFS ACL */
3505 dump_uint8
, /* ZFS SYSACL */
3506 dump_none
, /* FUID nvlist */
3507 dump_packed_nvlist
, /* FUID nvlist size */
3508 dump_zap
, /* DSL dataset next clones */
3509 dump_zap
, /* DSL scrub queue */
3510 dump_zap
, /* ZFS user/group/project used */
3511 dump_zap
, /* ZFS user/group/project quota */
3512 dump_zap
, /* snapshot refcount tags */
3513 dump_ddt_zap
, /* DDT ZAP object */
3514 dump_zap
, /* DDT statistics */
3515 dump_znode
, /* SA object */
3516 dump_zap
, /* SA Master Node */
3517 dump_sa_attrs
, /* SA attribute registration */
3518 dump_sa_layouts
, /* SA attribute layouts */
3519 dump_zap
, /* DSL scrub translations */
3520 dump_none
, /* fake dedup BP */
3521 dump_zap
, /* deadlist */
3522 dump_none
, /* deadlist hdr */
3523 dump_zap
, /* dsl clones */
3524 dump_bpobj_subobjs
, /* bpobj subobjs */
3525 dump_unknown
, /* Unknown type, must be last */
3529 match_object_type(dmu_object_type_t obj_type
, uint64_t flags
)
3531 boolean_t match
= B_TRUE
;
3534 case DMU_OT_DIRECTORY_CONTENTS
:
3535 if (!(flags
& ZOR_FLAG_DIRECTORY
))
3538 case DMU_OT_PLAIN_FILE_CONTENTS
:
3539 if (!(flags
& ZOR_FLAG_PLAIN_FILE
))
3542 case DMU_OT_SPACE_MAP
:
3543 if (!(flags
& ZOR_FLAG_SPACE_MAP
))
3547 if (strcmp(zdb_ot_name(obj_type
), "zap") == 0) {
3548 if (!(flags
& ZOR_FLAG_ZAP
))
3554 * If all bits except some of the supported flags are
3555 * set, the user combined the all-types flag (A) with
3556 * a negated flag to exclude some types (e.g. A-f to
3557 * show all object types except plain files).
3559 if ((flags
| ZOR_SUPPORTED_FLAGS
) != ZOR_FLAG_ALL_TYPES
)
3569 dump_object(objset_t
*os
, uint64_t object
, int verbosity
,
3570 boolean_t
*print_header
, uint64_t *dnode_slots_used
, uint64_t flags
)
3572 dmu_buf_t
*db
= NULL
;
3573 dmu_object_info_t doi
;
3575 boolean_t dnode_held
= B_FALSE
;
3578 char iblk
[32], dblk
[32], lsize
[32], asize
[32], fill
[32], dnsize
[32];
3579 char bonus_size
[32];
3583 /* make sure nicenum has enough space */
3584 _Static_assert(sizeof (iblk
) >= NN_NUMBUF_SZ
, "iblk truncated");
3585 _Static_assert(sizeof (dblk
) >= NN_NUMBUF_SZ
, "dblk truncated");
3586 _Static_assert(sizeof (lsize
) >= NN_NUMBUF_SZ
, "lsize truncated");
3587 _Static_assert(sizeof (asize
) >= NN_NUMBUF_SZ
, "asize truncated");
3588 _Static_assert(sizeof (bonus_size
) >= NN_NUMBUF_SZ
,
3589 "bonus_size truncated");
3591 if (*print_header
) {
3592 (void) printf("\n%10s %3s %5s %5s %5s %6s %5s %6s %s\n",
3593 "Object", "lvl", "iblk", "dblk", "dsize", "dnsize",
3594 "lsize", "%full", "type");
3599 dn
= DMU_META_DNODE(os
);
3600 dmu_object_info_from_dnode(dn
, &doi
);
3603 * Encrypted datasets will have sensitive bonus buffers
3604 * encrypted. Therefore we cannot hold the bonus buffer and
3605 * must hold the dnode itself instead.
3607 error
= dmu_object_info(os
, object
, &doi
);
3609 fatal("dmu_object_info() failed, errno %u", error
);
3611 if (!key_loaded
&& os
->os_encrypted
&&
3612 DMU_OT_IS_ENCRYPTED(doi
.doi_bonus_type
)) {
3613 error
= dnode_hold(os
, object
, FTAG
, &dn
);
3615 fatal("dnode_hold() failed, errno %u", error
);
3616 dnode_held
= B_TRUE
;
3618 error
= dmu_bonus_hold(os
, object
, FTAG
, &db
);
3620 fatal("dmu_bonus_hold(%llu) failed, errno %u",
3622 bonus
= db
->db_data
;
3623 bsize
= db
->db_size
;
3624 dn
= DB_DNODE((dmu_buf_impl_t
*)db
);
3629 * Default to showing all object types if no flags were specified.
3631 if (flags
!= 0 && flags
!= ZOR_FLAG_ALL_TYPES
&&
3632 !match_object_type(doi
.doi_type
, flags
))
3635 if (dnode_slots_used
)
3636 *dnode_slots_used
= doi
.doi_dnodesize
/ DNODE_MIN_SIZE
;
3638 zdb_nicenum(doi
.doi_metadata_block_size
, iblk
, sizeof (iblk
));
3639 zdb_nicenum(doi
.doi_data_block_size
, dblk
, sizeof (dblk
));
3640 zdb_nicenum(doi
.doi_max_offset
, lsize
, sizeof (lsize
));
3641 zdb_nicenum(doi
.doi_physical_blocks_512
<< 9, asize
, sizeof (asize
));
3642 zdb_nicenum(doi
.doi_bonus_size
, bonus_size
, sizeof (bonus_size
));
3643 zdb_nicenum(doi
.doi_dnodesize
, dnsize
, sizeof (dnsize
));
3644 (void) snprintf(fill
, sizeof (fill
), "%6.2f", 100.0 *
3645 doi
.doi_fill_count
* doi
.doi_data_block_size
/ (object
== 0 ?
3646 DNODES_PER_BLOCK
: 1) / doi
.doi_max_offset
);
3650 if (doi
.doi_checksum
!= ZIO_CHECKSUM_INHERIT
|| verbosity
>= 6) {
3651 (void) snprintf(aux
+ strlen(aux
), sizeof (aux
) - strlen(aux
),
3652 " (K=%s)", ZDB_CHECKSUM_NAME(doi
.doi_checksum
));
3655 if (doi
.doi_compress
== ZIO_COMPRESS_INHERIT
&&
3656 ZIO_COMPRESS_HASLEVEL(os
->os_compress
) && verbosity
>= 6) {
3657 const char *compname
= NULL
;
3658 if (zfs_prop_index_to_string(ZFS_PROP_COMPRESSION
,
3659 ZIO_COMPRESS_RAW(os
->os_compress
, os
->os_complevel
),
3661 (void) snprintf(aux
+ strlen(aux
),
3662 sizeof (aux
) - strlen(aux
), " (Z=inherit=%s)",
3665 (void) snprintf(aux
+ strlen(aux
),
3666 sizeof (aux
) - strlen(aux
),
3667 " (Z=inherit=%s-unknown)",
3668 ZDB_COMPRESS_NAME(os
->os_compress
));
3670 } else if (doi
.doi_compress
== ZIO_COMPRESS_INHERIT
&& verbosity
>= 6) {
3671 (void) snprintf(aux
+ strlen(aux
), sizeof (aux
) - strlen(aux
),
3672 " (Z=inherit=%s)", ZDB_COMPRESS_NAME(os
->os_compress
));
3673 } else if (doi
.doi_compress
!= ZIO_COMPRESS_INHERIT
|| verbosity
>= 6) {
3674 (void) snprintf(aux
+ strlen(aux
), sizeof (aux
) - strlen(aux
),
3675 " (Z=%s)", ZDB_COMPRESS_NAME(doi
.doi_compress
));
3678 (void) printf("%10lld %3u %5s %5s %5s %6s %5s %6s %s%s\n",
3679 (u_longlong_t
)object
, doi
.doi_indirection
, iblk
, dblk
,
3680 asize
, dnsize
, lsize
, fill
, zdb_ot_name(doi
.doi_type
), aux
);
3682 if (doi
.doi_bonus_type
!= DMU_OT_NONE
&& verbosity
> 3) {
3683 (void) printf("%10s %3s %5s %5s %5s %5s %5s %6s %s\n",
3684 "", "", "", "", "", "", bonus_size
, "bonus",
3685 zdb_ot_name(doi
.doi_bonus_type
));
3688 if (verbosity
>= 4) {
3689 (void) printf("\tdnode flags: %s%s%s%s\n",
3690 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USED_BYTES
) ?
3692 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USERUSED_ACCOUNTED
) ?
3693 "USERUSED_ACCOUNTED " : "",
3694 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_USEROBJUSED_ACCOUNTED
) ?
3695 "USEROBJUSED_ACCOUNTED " : "",
3696 (dn
->dn_phys
->dn_flags
& DNODE_FLAG_SPILL_BLKPTR
) ?
3697 "SPILL_BLKPTR" : "");
3698 (void) printf("\tdnode maxblkid: %llu\n",
3699 (longlong_t
)dn
->dn_phys
->dn_maxblkid
);
3702 object_viewer
[ZDB_OT_TYPE(doi
.doi_bonus_type
)](os
,
3703 object
, bonus
, bsize
);
3705 (void) printf("\t\t(bonus encrypted)\n");
3709 (!os
->os_encrypted
|| !DMU_OT_IS_ENCRYPTED(doi
.doi_type
))) {
3710 object_viewer
[ZDB_OT_TYPE(doi
.doi_type
)](os
, object
,
3713 (void) printf("\t\t(object encrypted)\n");
3716 *print_header
= B_TRUE
;
3719 if (verbosity
>= 5) {
3720 if (dn
->dn_phys
->dn_flags
& DNODE_FLAG_SPILL_BLKPTR
) {
3721 char blkbuf
[BP_SPRINTF_LEN
];
3722 snprintf_blkptr_compact(blkbuf
, sizeof (blkbuf
),
3723 DN_SPILL_BLKPTR(dn
->dn_phys
), B_FALSE
);
3724 (void) printf("\nSpill block: %s\n", blkbuf
);
3729 if (verbosity
>= 5) {
3731 * Report the list of segments that comprise the object.
3735 uint64_t blkfill
= 1;
3738 if (dn
->dn_type
== DMU_OT_DNODE
) {
3740 blkfill
= DNODES_PER_BLOCK
;
3745 /* make sure nicenum has enough space */
3746 _Static_assert(sizeof (segsize
) >= NN_NUMBUF_SZ
,
3747 "segsize truncated");
3748 error
= dnode_next_offset(dn
,
3749 0, &start
, minlvl
, blkfill
, 0);
3753 error
= dnode_next_offset(dn
,
3754 DNODE_FIND_HOLE
, &end
, minlvl
, blkfill
, 0);
3755 zdb_nicenum(end
- start
, segsize
, sizeof (segsize
));
3756 (void) printf("\t\tsegment [%016llx, %016llx)"
3757 " size %5s\n", (u_longlong_t
)start
,
3758 (u_longlong_t
)end
, segsize
);
3767 dmu_buf_rele(db
, FTAG
);
3769 dnode_rele(dn
, FTAG
);
3773 count_dir_mos_objects(dsl_dir_t
*dd
)
3775 mos_obj_refd(dd
->dd_object
);
3776 mos_obj_refd(dsl_dir_phys(dd
)->dd_child_dir_zapobj
);
3777 mos_obj_refd(dsl_dir_phys(dd
)->dd_deleg_zapobj
);
3778 mos_obj_refd(dsl_dir_phys(dd
)->dd_props_zapobj
);
3779 mos_obj_refd(dsl_dir_phys(dd
)->dd_clones
);
3782 * The dd_crypto_obj can be referenced by multiple dsl_dir's.
3783 * Ignore the references after the first one.
3785 mos_obj_refd_multiple(dd
->dd_crypto_obj
);
3789 count_ds_mos_objects(dsl_dataset_t
*ds
)
3791 mos_obj_refd(ds
->ds_object
);
3792 mos_obj_refd(dsl_dataset_phys(ds
)->ds_next_clones_obj
);
3793 mos_obj_refd(dsl_dataset_phys(ds
)->ds_props_obj
);
3794 mos_obj_refd(dsl_dataset_phys(ds
)->ds_userrefs_obj
);
3795 mos_obj_refd(dsl_dataset_phys(ds
)->ds_snapnames_zapobj
);
3796 mos_obj_refd(ds
->ds_bookmarks_obj
);
3798 if (!dsl_dataset_is_snapshot(ds
)) {
3799 count_dir_mos_objects(ds
->ds_dir
);
3803 static const char *const objset_types
[DMU_OST_NUMTYPES
] = {
3804 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
3807 * Parse a string denoting a range of object IDs of the form
3808 * <start>[:<end>[:flags]], and store the results in zor.
3809 * Return 0 on success. On error, return 1 and update the msg
3810 * pointer to point to a descriptive error message.
3813 parse_object_range(char *range
, zopt_object_range_t
*zor
, const char **msg
)
3816 char *p
, *s
, *dup
, *flagstr
, *tmp
= NULL
;
3821 if (strchr(range
, ':') == NULL
) {
3822 zor
->zor_obj_start
= strtoull(range
, &p
, 0);
3824 *msg
= "Invalid characters in object ID";
3827 zor
->zor_obj_start
= ZDB_MAP_OBJECT_ID(zor
->zor_obj_start
);
3828 zor
->zor_obj_end
= zor
->zor_obj_start
;
3832 if (strchr(range
, ':') == range
) {
3833 *msg
= "Invalid leading colon";
3838 len
= strlen(range
);
3839 if (range
[len
- 1] == ':') {
3840 *msg
= "Invalid trailing colon";
3845 dup
= strdup(range
);
3846 s
= strtok_r(dup
, ":", &tmp
);
3847 zor
->zor_obj_start
= strtoull(s
, &p
, 0);
3850 *msg
= "Invalid characters in start object ID";
3855 s
= strtok_r(NULL
, ":", &tmp
);
3856 zor
->zor_obj_end
= strtoull(s
, &p
, 0);
3859 *msg
= "Invalid characters in end object ID";
3864 if (zor
->zor_obj_start
> zor
->zor_obj_end
) {
3865 *msg
= "Start object ID may not exceed end object ID";
3870 s
= strtok_r(NULL
, ":", &tmp
);
3872 zor
->zor_flags
= ZOR_FLAG_ALL_TYPES
;
3874 } else if (strtok_r(NULL
, ":", &tmp
) != NULL
) {
3875 *msg
= "Invalid colon-delimited field after flags";
3881 for (i
= 0; flagstr
[i
]; i
++) {
3883 boolean_t negation
= (flagstr
[i
] == '-');
3887 if (flagstr
[i
] == '\0') {
3888 *msg
= "Invalid trailing negation operator";
3893 bit
= flagbits
[(uchar_t
)flagstr
[i
]];
3895 *msg
= "Invalid flag";
3904 zor
->zor_flags
= flags
;
3906 zor
->zor_obj_start
= ZDB_MAP_OBJECT_ID(zor
->zor_obj_start
);
3907 zor
->zor_obj_end
= ZDB_MAP_OBJECT_ID(zor
->zor_obj_end
);
3915 dump_objset(objset_t
*os
)
3917 dmu_objset_stats_t dds
= { 0 };
3918 uint64_t object
, object_count
;
3919 uint64_t refdbytes
, usedobjs
, scratch
;
3921 char blkbuf
[BP_SPRINTF_LEN
+ 20];
3922 char osname
[ZFS_MAX_DATASET_NAME_LEN
];
3923 const char *type
= "UNKNOWN";
3924 int verbosity
= dump_opt
['d'];
3925 boolean_t print_header
;
3928 uint64_t total_slots_used
= 0;
3929 uint64_t max_slot_used
= 0;
3930 uint64_t dnode_slots
;
3935 /* make sure nicenum has enough space */
3936 _Static_assert(sizeof (numbuf
) >= NN_NUMBUF_SZ
, "numbuf truncated");
3938 dsl_pool_config_enter(dmu_objset_pool(os
), FTAG
);
3939 dmu_objset_fast_stat(os
, &dds
);
3940 dsl_pool_config_exit(dmu_objset_pool(os
), FTAG
);
3942 print_header
= B_TRUE
;
3944 if (dds
.dds_type
< DMU_OST_NUMTYPES
)
3945 type
= objset_types
[dds
.dds_type
];
3947 if (dds
.dds_type
== DMU_OST_META
) {
3948 dds
.dds_creation_txg
= TXG_INITIAL
;
3949 usedobjs
= BP_GET_FILL(os
->os_rootbp
);
3950 refdbytes
= dsl_dir_phys(os
->os_spa
->spa_dsl_pool
->dp_mos_dir
)->
3953 dmu_objset_space(os
, &refdbytes
, &scratch
, &usedobjs
, &scratch
);
3956 ASSERT3U(usedobjs
, ==, BP_GET_FILL(os
->os_rootbp
));
3958 zdb_nicenum(refdbytes
, numbuf
, sizeof (numbuf
));
3960 if (verbosity
>= 4) {
3961 (void) snprintf(blkbuf
, sizeof (blkbuf
), ", rootbp ");
3962 (void) snprintf_blkptr(blkbuf
+ strlen(blkbuf
),
3963 sizeof (blkbuf
) - strlen(blkbuf
), os
->os_rootbp
);
3968 dmu_objset_name(os
, osname
);
3970 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
3971 "%s, %llu objects%s%s\n",
3972 osname
, type
, (u_longlong_t
)dmu_objset_id(os
),
3973 (u_longlong_t
)dds
.dds_creation_txg
,
3974 numbuf
, (u_longlong_t
)usedobjs
, blkbuf
,
3975 (dds
.dds_inconsistent
) ? " (inconsistent)" : "");
3977 for (i
= 0; i
< zopt_object_args
; i
++) {
3978 obj_start
= zopt_object_ranges
[i
].zor_obj_start
;
3979 obj_end
= zopt_object_ranges
[i
].zor_obj_end
;
3980 flags
= zopt_object_ranges
[i
].zor_flags
;
3983 if (object
== 0 || obj_start
== obj_end
)
3984 dump_object(os
, object
, verbosity
, &print_header
, NULL
,
3989 while ((dmu_object_next(os
, &object
, B_FALSE
, 0) == 0) &&
3990 object
<= obj_end
) {
3991 dump_object(os
, object
, verbosity
, &print_header
, NULL
,
3996 if (zopt_object_args
> 0) {
3997 (void) printf("\n");
4001 if (dump_opt
['i'] != 0 || verbosity
>= 2)
4002 dump_intent_log(dmu_objset_zil(os
));
4004 if (dmu_objset_ds(os
) != NULL
) {
4005 dsl_dataset_t
*ds
= dmu_objset_ds(os
);
4006 dump_blkptr_list(&ds
->ds_deadlist
, "Deadlist");
4007 if (dsl_deadlist_is_open(&ds
->ds_dir
->dd_livelist
) &&
4008 !dmu_objset_is_snapshot(os
)) {
4009 dump_blkptr_list(&ds
->ds_dir
->dd_livelist
, "Livelist");
4010 if (verify_dd_livelist(os
) != 0)
4011 fatal("livelist is incorrect");
4014 if (dsl_dataset_remap_deadlist_exists(ds
)) {
4015 (void) printf("ds_remap_deadlist:\n");
4016 dump_blkptr_list(&ds
->ds_remap_deadlist
, "Deadlist");
4018 count_ds_mos_objects(ds
);
4021 if (dmu_objset_ds(os
) != NULL
)
4022 dump_bookmarks(os
, verbosity
);
4027 if (BP_IS_HOLE(os
->os_rootbp
))
4030 dump_object(os
, 0, verbosity
, &print_header
, NULL
, 0);
4032 if (DMU_USERUSED_DNODE(os
) != NULL
&&
4033 DMU_USERUSED_DNODE(os
)->dn_type
!= 0) {
4034 dump_object(os
, DMU_USERUSED_OBJECT
, verbosity
, &print_header
,
4036 dump_object(os
, DMU_GROUPUSED_OBJECT
, verbosity
, &print_header
,
4040 if (DMU_PROJECTUSED_DNODE(os
) != NULL
&&
4041 DMU_PROJECTUSED_DNODE(os
)->dn_type
!= 0)
4042 dump_object(os
, DMU_PROJECTUSED_OBJECT
, verbosity
,
4043 &print_header
, NULL
, 0);
4046 while ((error
= dmu_object_next(os
, &object
, B_FALSE
, 0)) == 0) {
4047 dump_object(os
, object
, verbosity
, &print_header
, &dnode_slots
,
4050 total_slots_used
+= dnode_slots
;
4051 max_slot_used
= object
+ dnode_slots
- 1;
4054 (void) printf("\n");
4056 (void) printf(" Dnode slots:\n");
4057 (void) printf("\tTotal used: %10llu\n",
4058 (u_longlong_t
)total_slots_used
);
4059 (void) printf("\tMax used: %10llu\n",
4060 (u_longlong_t
)max_slot_used
);
4061 (void) printf("\tPercent empty: %10lf\n",
4062 (double)(max_slot_used
- total_slots_used
)*100 /
4063 (double)max_slot_used
);
4064 (void) printf("\n");
4066 if (error
!= ESRCH
) {
4067 (void) fprintf(stderr
, "dmu_object_next() = %d\n", error
);
4071 ASSERT3U(object_count
, ==, usedobjs
);
4073 if (leaked_objects
!= 0) {
4074 (void) printf("%d potentially leaked objects detected\n",
4081 dump_uberblock(uberblock_t
*ub
, const char *header
, const char *footer
)
4083 time_t timestamp
= ub
->ub_timestamp
;
4085 (void) printf("%s", header
? header
: "");
4086 (void) printf("\tmagic = %016llx\n", (u_longlong_t
)ub
->ub_magic
);
4087 (void) printf("\tversion = %llu\n", (u_longlong_t
)ub
->ub_version
);
4088 (void) printf("\ttxg = %llu\n", (u_longlong_t
)ub
->ub_txg
);
4089 (void) printf("\tguid_sum = %llu\n", (u_longlong_t
)ub
->ub_guid_sum
);
4090 (void) printf("\ttimestamp = %llu UTC = %s",
4091 (u_longlong_t
)ub
->ub_timestamp
, ctime(×tamp
));
4093 (void) printf("\tmmp_magic = %016llx\n",
4094 (u_longlong_t
)ub
->ub_mmp_magic
);
4095 if (MMP_VALID(ub
)) {
4096 (void) printf("\tmmp_delay = %0llu\n",
4097 (u_longlong_t
)ub
->ub_mmp_delay
);
4098 if (MMP_SEQ_VALID(ub
))
4099 (void) printf("\tmmp_seq = %u\n",
4100 (unsigned int) MMP_SEQ(ub
));
4101 if (MMP_FAIL_INT_VALID(ub
))
4102 (void) printf("\tmmp_fail = %u\n",
4103 (unsigned int) MMP_FAIL_INT(ub
));
4104 if (MMP_INTERVAL_VALID(ub
))
4105 (void) printf("\tmmp_write = %u\n",
4106 (unsigned int) MMP_INTERVAL(ub
));
4107 /* After MMP_* to make summarize_uberblock_mmp cleaner */
4108 (void) printf("\tmmp_valid = %x\n",
4109 (unsigned int) ub
->ub_mmp_config
& 0xFF);
4112 if (dump_opt
['u'] >= 4) {
4113 char blkbuf
[BP_SPRINTF_LEN
];
4114 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), &ub
->ub_rootbp
);
4115 (void) printf("\trootbp = %s\n", blkbuf
);
4117 (void) printf("\tcheckpoint_txg = %llu\n",
4118 (u_longlong_t
)ub
->ub_checkpoint_txg
);
4119 (void) printf("%s", footer
? footer
: "");
4123 dump_config(spa_t
*spa
)
4130 error
= dmu_bonus_hold(spa
->spa_meta_objset
,
4131 spa
->spa_config_object
, FTAG
, &db
);
4134 nvsize
= *(uint64_t *)db
->db_data
;
4135 dmu_buf_rele(db
, FTAG
);
4137 (void) printf("\nMOS Configuration:\n");
4138 dump_packed_nvlist(spa
->spa_meta_objset
,
4139 spa
->spa_config_object
, (void *)&nvsize
, 1);
4141 (void) fprintf(stderr
, "dmu_bonus_hold(%llu) failed, errno %d",
4142 (u_longlong_t
)spa
->spa_config_object
, error
);
4147 dump_cachefile(const char *cachefile
)
4150 struct stat64 statbuf
;
4154 if ((fd
= open64(cachefile
, O_RDONLY
)) < 0) {
4155 (void) printf("cannot open '%s': %s\n", cachefile
,
4160 if (fstat64(fd
, &statbuf
) != 0) {
4161 (void) printf("failed to stat '%s': %s\n", cachefile
,
4166 if ((buf
= malloc(statbuf
.st_size
)) == NULL
) {
4167 (void) fprintf(stderr
, "failed to allocate %llu bytes\n",
4168 (u_longlong_t
)statbuf
.st_size
);
4172 if (read(fd
, buf
, statbuf
.st_size
) != statbuf
.st_size
) {
4173 (void) fprintf(stderr
, "failed to read %llu bytes\n",
4174 (u_longlong_t
)statbuf
.st_size
);
4180 if (nvlist_unpack(buf
, statbuf
.st_size
, &config
, 0) != 0) {
4181 (void) fprintf(stderr
, "failed to unpack nvlist\n");
4187 dump_nvlist(config
, 0);
4189 nvlist_free(config
);
4193 * ZFS label nvlist stats
4195 typedef struct zdb_nvl_stats
{
4198 size_t zns_leaf_largest
;
4199 size_t zns_leaf_total
;
4200 nvlist_t
*zns_string
;
4201 nvlist_t
*zns_uint64
;
4202 nvlist_t
*zns_boolean
;
4206 collect_nvlist_stats(nvlist_t
*nvl
, zdb_nvl_stats_t
*stats
)
4208 nvlist_t
*list
, **array
;
4209 nvpair_t
*nvp
= NULL
;
4213 stats
->zns_list_count
++;
4215 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
4216 name
= nvpair_name(nvp
);
4218 switch (nvpair_type(nvp
)) {
4219 case DATA_TYPE_STRING
:
4220 fnvlist_add_string(stats
->zns_string
, name
,
4221 fnvpair_value_string(nvp
));
4223 case DATA_TYPE_UINT64
:
4224 fnvlist_add_uint64(stats
->zns_uint64
, name
,
4225 fnvpair_value_uint64(nvp
));
4227 case DATA_TYPE_BOOLEAN
:
4228 fnvlist_add_boolean(stats
->zns_boolean
, name
);
4230 case DATA_TYPE_NVLIST
:
4231 if (nvpair_value_nvlist(nvp
, &list
) == 0)
4232 collect_nvlist_stats(list
, stats
);
4234 case DATA_TYPE_NVLIST_ARRAY
:
4235 if (nvpair_value_nvlist_array(nvp
, &array
, &items
) != 0)
4238 for (i
= 0; i
< items
; i
++) {
4239 collect_nvlist_stats(array
[i
], stats
);
4241 /* collect stats on leaf vdev */
4242 if (strcmp(name
, "children") == 0) {
4245 (void) nvlist_size(array
[i
], &size
,
4247 stats
->zns_leaf_total
+= size
;
4248 if (size
> stats
->zns_leaf_largest
)
4249 stats
->zns_leaf_largest
= size
;
4250 stats
->zns_leaf_count
++;
4255 (void) printf("skip type %d!\n", (int)nvpair_type(nvp
));
4261 dump_nvlist_stats(nvlist_t
*nvl
, size_t cap
)
4263 zdb_nvl_stats_t stats
= { 0 };
4264 size_t size
, sum
= 0, total
;
4267 /* requires nvlist with non-unique names for stat collection */
4268 VERIFY0(nvlist_alloc(&stats
.zns_string
, 0, 0));
4269 VERIFY0(nvlist_alloc(&stats
.zns_uint64
, 0, 0));
4270 VERIFY0(nvlist_alloc(&stats
.zns_boolean
, 0, 0));
4271 VERIFY0(nvlist_size(stats
.zns_boolean
, &noise
, NV_ENCODE_XDR
));
4273 (void) printf("\n\nZFS Label NVList Config Stats:\n");
4275 VERIFY0(nvlist_size(nvl
, &total
, NV_ENCODE_XDR
));
4276 (void) printf(" %d bytes used, %d bytes free (using %4.1f%%)\n\n",
4277 (int)total
, (int)(cap
- total
), 100.0 * total
/ cap
);
4279 collect_nvlist_stats(nvl
, &stats
);
4281 VERIFY0(nvlist_size(stats
.zns_uint64
, &size
, NV_ENCODE_XDR
));
4284 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "integers:",
4285 (int)fnvlist_num_pairs(stats
.zns_uint64
),
4286 (int)size
, 100.0 * size
/ total
);
4288 VERIFY0(nvlist_size(stats
.zns_string
, &size
, NV_ENCODE_XDR
));
4291 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "strings:",
4292 (int)fnvlist_num_pairs(stats
.zns_string
),
4293 (int)size
, 100.0 * size
/ total
);
4295 VERIFY0(nvlist_size(stats
.zns_boolean
, &size
, NV_ENCODE_XDR
));
4298 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n", "booleans:",
4299 (int)fnvlist_num_pairs(stats
.zns_boolean
),
4300 (int)size
, 100.0 * size
/ total
);
4302 size
= total
- sum
; /* treat remainder as nvlist overhead */
4303 (void) printf("%12s %4d %6d bytes (%5.2f%%)\n\n", "nvlists:",
4304 stats
.zns_list_count
, (int)size
, 100.0 * size
/ total
);
4306 if (stats
.zns_leaf_count
> 0) {
4307 size_t average
= stats
.zns_leaf_total
/ stats
.zns_leaf_count
;
4309 (void) printf("%12s %4d %6d bytes average\n", "leaf vdevs:",
4310 stats
.zns_leaf_count
, (int)average
);
4311 (void) printf("%24d bytes largest\n",
4312 (int)stats
.zns_leaf_largest
);
4314 if (dump_opt
['l'] >= 3 && average
> 0)
4315 (void) printf(" space for %d additional leaf vdevs\n",
4316 (int)((cap
- total
) / average
));
4318 (void) printf("\n");
4320 nvlist_free(stats
.zns_string
);
4321 nvlist_free(stats
.zns_uint64
);
4322 nvlist_free(stats
.zns_boolean
);
4325 typedef struct cksum_record
{
4327 boolean_t labels
[VDEV_LABELS
];
4332 cksum_record_compare(const void *x1
, const void *x2
)
4334 const cksum_record_t
*l
= (cksum_record_t
*)x1
;
4335 const cksum_record_t
*r
= (cksum_record_t
*)x2
;
4336 int arraysize
= ARRAY_SIZE(l
->cksum
.zc_word
);
4339 for (int i
= 0; i
< arraysize
; i
++) {
4340 difference
= TREE_CMP(l
->cksum
.zc_word
[i
], r
->cksum
.zc_word
[i
]);
4345 return (difference
);
4348 static cksum_record_t
*
4349 cksum_record_alloc(zio_cksum_t
*cksum
, int l
)
4351 cksum_record_t
*rec
;
4353 rec
= umem_zalloc(sizeof (*rec
), UMEM_NOFAIL
);
4354 rec
->cksum
= *cksum
;
4355 rec
->labels
[l
] = B_TRUE
;
4360 static cksum_record_t
*
4361 cksum_record_lookup(avl_tree_t
*tree
, zio_cksum_t
*cksum
)
4363 cksum_record_t lookup
= { .cksum
= *cksum
};
4366 return (avl_find(tree
, &lookup
, &where
));
4369 static cksum_record_t
*
4370 cksum_record_insert(avl_tree_t
*tree
, zio_cksum_t
*cksum
, int l
)
4372 cksum_record_t
*rec
;
4374 rec
= cksum_record_lookup(tree
, cksum
);
4376 rec
->labels
[l
] = B_TRUE
;
4378 rec
= cksum_record_alloc(cksum
, l
);
4386 first_label(cksum_record_t
*rec
)
4388 for (int i
= 0; i
< VDEV_LABELS
; i
++)
4396 print_label_numbers(const char *prefix
, const cksum_record_t
*rec
)
4398 fputs(prefix
, stdout
);
4399 for (int i
= 0; i
< VDEV_LABELS
; i
++)
4400 if (rec
->labels
[i
] == B_TRUE
)
4405 #define MAX_UBERBLOCK_COUNT (VDEV_UBERBLOCK_RING >> UBERBLOCK_SHIFT)
4407 typedef struct zdb_label
{
4409 uint64_t label_offset
;
4410 nvlist_t
*config_nv
;
4411 cksum_record_t
*config
;
4412 cksum_record_t
*uberblocks
[MAX_UBERBLOCK_COUNT
];
4413 boolean_t header_printed
;
4414 boolean_t read_failed
;
4415 boolean_t cksum_valid
;
4419 print_label_header(zdb_label_t
*label
, int l
)
4425 if (label
->header_printed
== B_TRUE
)
4428 (void) printf("------------------------------------\n");
4429 (void) printf("LABEL %d %s\n", l
,
4430 label
->cksum_valid
? "" : "(Bad label cksum)");
4431 (void) printf("------------------------------------\n");
4433 label
->header_printed
= B_TRUE
;
4437 print_l2arc_header(void)
4439 (void) printf("------------------------------------\n");
4440 (void) printf("L2ARC device header\n");
4441 (void) printf("------------------------------------\n");
4445 print_l2arc_log_blocks(void)
4447 (void) printf("------------------------------------\n");
4448 (void) printf("L2ARC device log blocks\n");
4449 (void) printf("------------------------------------\n");
4453 dump_l2arc_log_entries(uint64_t log_entries
,
4454 l2arc_log_ent_phys_t
*le
, uint64_t i
)
4456 for (int j
= 0; j
< log_entries
; j
++) {
4457 dva_t dva
= le
[j
].le_dva
;
4458 (void) printf("lb[%4llu]\tle[%4d]\tDVA asize: %llu, "
4459 "vdev: %llu, offset: %llu\n",
4460 (u_longlong_t
)i
, j
+ 1,
4461 (u_longlong_t
)DVA_GET_ASIZE(&dva
),
4462 (u_longlong_t
)DVA_GET_VDEV(&dva
),
4463 (u_longlong_t
)DVA_GET_OFFSET(&dva
));
4464 (void) printf("|\t\t\t\tbirth: %llu\n",
4465 (u_longlong_t
)le
[j
].le_birth
);
4466 (void) printf("|\t\t\t\tlsize: %llu\n",
4467 (u_longlong_t
)L2BLK_GET_LSIZE((&le
[j
])->le_prop
));
4468 (void) printf("|\t\t\t\tpsize: %llu\n",
4469 (u_longlong_t
)L2BLK_GET_PSIZE((&le
[j
])->le_prop
));
4470 (void) printf("|\t\t\t\tcompr: %llu\n",
4471 (u_longlong_t
)L2BLK_GET_COMPRESS((&le
[j
])->le_prop
));
4472 (void) printf("|\t\t\t\tcomplevel: %llu\n",
4473 (u_longlong_t
)(&le
[j
])->le_complevel
);
4474 (void) printf("|\t\t\t\ttype: %llu\n",
4475 (u_longlong_t
)L2BLK_GET_TYPE((&le
[j
])->le_prop
));
4476 (void) printf("|\t\t\t\tprotected: %llu\n",
4477 (u_longlong_t
)L2BLK_GET_PROTECTED((&le
[j
])->le_prop
));
4478 (void) printf("|\t\t\t\tprefetch: %llu\n",
4479 (u_longlong_t
)L2BLK_GET_PREFETCH((&le
[j
])->le_prop
));
4480 (void) printf("|\t\t\t\taddress: %llu\n",
4481 (u_longlong_t
)le
[j
].le_daddr
);
4482 (void) printf("|\t\t\t\tARC state: %llu\n",
4483 (u_longlong_t
)L2BLK_GET_STATE((&le
[j
])->le_prop
));
4484 (void) printf("|\n");
4486 (void) printf("\n");
4490 dump_l2arc_log_blkptr(const l2arc_log_blkptr_t
*lbps
)
4492 (void) printf("|\t\tdaddr: %llu\n", (u_longlong_t
)lbps
->lbp_daddr
);
4493 (void) printf("|\t\tpayload_asize: %llu\n",
4494 (u_longlong_t
)lbps
->lbp_payload_asize
);
4495 (void) printf("|\t\tpayload_start: %llu\n",
4496 (u_longlong_t
)lbps
->lbp_payload_start
);
4497 (void) printf("|\t\tlsize: %llu\n",
4498 (u_longlong_t
)L2BLK_GET_LSIZE(lbps
->lbp_prop
));
4499 (void) printf("|\t\tasize: %llu\n",
4500 (u_longlong_t
)L2BLK_GET_PSIZE(lbps
->lbp_prop
));
4501 (void) printf("|\t\tcompralgo: %llu\n",
4502 (u_longlong_t
)L2BLK_GET_COMPRESS(lbps
->lbp_prop
));
4503 (void) printf("|\t\tcksumalgo: %llu\n",
4504 (u_longlong_t
)L2BLK_GET_CHECKSUM(lbps
->lbp_prop
));
4505 (void) printf("|\n\n");
4509 dump_l2arc_log_blocks(int fd
, const l2arc_dev_hdr_phys_t
*l2dhdr
,
4510 l2arc_dev_hdr_phys_t
*rebuild
)
4512 l2arc_log_blk_phys_t this_lb
;
4514 l2arc_log_blkptr_t lbps
[2];
4521 print_l2arc_log_blocks();
4522 memcpy(lbps
, l2dhdr
->dh_start_lbps
, sizeof (lbps
));
4524 dev
.l2ad_evict
= l2dhdr
->dh_evict
;
4525 dev
.l2ad_start
= l2dhdr
->dh_start
;
4526 dev
.l2ad_end
= l2dhdr
->dh_end
;
4528 if (l2dhdr
->dh_start_lbps
[0].lbp_daddr
== 0) {
4529 /* no log blocks to read */
4530 if (!dump_opt
['q']) {
4531 (void) printf("No log blocks to read\n");
4532 (void) printf("\n");
4536 dev
.l2ad_hand
= lbps
[0].lbp_daddr
+
4537 L2BLK_GET_PSIZE((&lbps
[0])->lbp_prop
);
4540 dev
.l2ad_first
= !!(l2dhdr
->dh_flags
& L2ARC_DEV_HDR_EVICT_FIRST
);
4543 if (!l2arc_log_blkptr_valid(&dev
, &lbps
[0]))
4546 /* L2BLK_GET_PSIZE returns aligned size for log blocks */
4547 asize
= L2BLK_GET_PSIZE((&lbps
[0])->lbp_prop
);
4548 if (pread64(fd
, &this_lb
, asize
, lbps
[0].lbp_daddr
) != asize
) {
4549 if (!dump_opt
['q']) {
4550 (void) printf("Error while reading next log "
4556 fletcher_4_native_varsize(&this_lb
, asize
, &cksum
);
4557 if (!ZIO_CHECKSUM_EQUAL(cksum
, lbps
[0].lbp_cksum
)) {
4559 if (!dump_opt
['q']) {
4560 (void) printf("Invalid cksum\n");
4561 dump_l2arc_log_blkptr(&lbps
[0]);
4566 switch (L2BLK_GET_COMPRESS((&lbps
[0])->lbp_prop
)) {
4567 case ZIO_COMPRESS_OFF
:
4570 abd
= abd_alloc_for_io(asize
, B_TRUE
);
4571 abd_copy_from_buf_off(abd
, &this_lb
, 0, asize
);
4572 if (zio_decompress_data(L2BLK_GET_COMPRESS(
4573 (&lbps
[0])->lbp_prop
), abd
, &this_lb
,
4574 asize
, sizeof (this_lb
), NULL
) != 0) {
4575 (void) printf("L2ARC block decompression "
4584 if (this_lb
.lb_magic
== BSWAP_64(L2ARC_LOG_BLK_MAGIC
))
4585 byteswap_uint64_array(&this_lb
, sizeof (this_lb
));
4586 if (this_lb
.lb_magic
!= L2ARC_LOG_BLK_MAGIC
) {
4588 (void) printf("Invalid log block magic\n\n");
4592 rebuild
->dh_lb_count
++;
4593 rebuild
->dh_lb_asize
+= asize
;
4594 if (dump_opt
['l'] > 1 && !dump_opt
['q']) {
4595 (void) printf("lb[%4llu]\tmagic: %llu\n",
4596 (u_longlong_t
)rebuild
->dh_lb_count
,
4597 (u_longlong_t
)this_lb
.lb_magic
);
4598 dump_l2arc_log_blkptr(&lbps
[0]);
4601 if (dump_opt
['l'] > 2 && !dump_opt
['q'])
4602 dump_l2arc_log_entries(l2dhdr
->dh_log_entries
,
4604 rebuild
->dh_lb_count
);
4606 if (l2arc_range_check_overlap(lbps
[1].lbp_payload_start
,
4607 lbps
[0].lbp_payload_start
, dev
.l2ad_evict
) &&
4612 lbps
[1] = this_lb
.lb_prev_lbp
;
4615 if (!dump_opt
['q']) {
4616 (void) printf("log_blk_count:\t %llu with valid cksum\n",
4617 (u_longlong_t
)rebuild
->dh_lb_count
);
4618 (void) printf("\t\t %d with invalid cksum\n", failed
);
4619 (void) printf("log_blk_asize:\t %llu\n\n",
4620 (u_longlong_t
)rebuild
->dh_lb_asize
);
4625 dump_l2arc_header(int fd
)
4627 l2arc_dev_hdr_phys_t l2dhdr
= {0}, rebuild
= {0};
4628 int error
= B_FALSE
;
4630 if (pread64(fd
, &l2dhdr
, sizeof (l2dhdr
),
4631 VDEV_LABEL_START_SIZE
) != sizeof (l2dhdr
)) {
4634 if (l2dhdr
.dh_magic
== BSWAP_64(L2ARC_DEV_HDR_MAGIC
))
4635 byteswap_uint64_array(&l2dhdr
, sizeof (l2dhdr
));
4637 if (l2dhdr
.dh_magic
!= L2ARC_DEV_HDR_MAGIC
)
4642 (void) printf("L2ARC device header not found\n\n");
4643 /* Do not return an error here for backward compatibility */
4645 } else if (!dump_opt
['q']) {
4646 print_l2arc_header();
4648 (void) printf(" magic: %llu\n",
4649 (u_longlong_t
)l2dhdr
.dh_magic
);
4650 (void) printf(" version: %llu\n",
4651 (u_longlong_t
)l2dhdr
.dh_version
);
4652 (void) printf(" pool_guid: %llu\n",
4653 (u_longlong_t
)l2dhdr
.dh_spa_guid
);
4654 (void) printf(" flags: %llu\n",
4655 (u_longlong_t
)l2dhdr
.dh_flags
);
4656 (void) printf(" start_lbps[0]: %llu\n",
4658 l2dhdr
.dh_start_lbps
[0].lbp_daddr
);
4659 (void) printf(" start_lbps[1]: %llu\n",
4661 l2dhdr
.dh_start_lbps
[1].lbp_daddr
);
4662 (void) printf(" log_blk_ent: %llu\n",
4663 (u_longlong_t
)l2dhdr
.dh_log_entries
);
4664 (void) printf(" start: %llu\n",
4665 (u_longlong_t
)l2dhdr
.dh_start
);
4666 (void) printf(" end: %llu\n",
4667 (u_longlong_t
)l2dhdr
.dh_end
);
4668 (void) printf(" evict: %llu\n",
4669 (u_longlong_t
)l2dhdr
.dh_evict
);
4670 (void) printf(" lb_asize_refcount: %llu\n",
4671 (u_longlong_t
)l2dhdr
.dh_lb_asize
);
4672 (void) printf(" lb_count_refcount: %llu\n",
4673 (u_longlong_t
)l2dhdr
.dh_lb_count
);
4674 (void) printf(" trim_action_time: %llu\n",
4675 (u_longlong_t
)l2dhdr
.dh_trim_action_time
);
4676 (void) printf(" trim_state: %llu\n\n",
4677 (u_longlong_t
)l2dhdr
.dh_trim_state
);
4680 dump_l2arc_log_blocks(fd
, &l2dhdr
, &rebuild
);
4682 * The total aligned size of log blocks and the number of log blocks
4683 * reported in the header of the device may be less than what zdb
4684 * reports by dump_l2arc_log_blocks() which emulates l2arc_rebuild().
4685 * This happens because dump_l2arc_log_blocks() lacks the memory
4686 * pressure valve that l2arc_rebuild() has. Thus, if we are on a system
4687 * with low memory, l2arc_rebuild will exit prematurely and dh_lb_asize
4688 * and dh_lb_count will be lower to begin with than what exists on the
4689 * device. This is normal and zdb should not exit with an error. The
4690 * opposite case should never happen though, the values reported in the
4691 * header should never be higher than what dump_l2arc_log_blocks() and
4692 * l2arc_rebuild() report. If this happens there is a leak in the
4693 * accounting of log blocks.
4695 if (l2dhdr
.dh_lb_asize
> rebuild
.dh_lb_asize
||
4696 l2dhdr
.dh_lb_count
> rebuild
.dh_lb_count
)
4703 dump_config_from_label(zdb_label_t
*label
, size_t buflen
, int l
)
4708 if ((dump_opt
['l'] < 3) && (first_label(label
->config
) != l
))
4711 print_label_header(label
, l
);
4712 dump_nvlist(label
->config_nv
, 4);
4713 print_label_numbers(" labels = ", label
->config
);
4715 if (dump_opt
['l'] >= 2)
4716 dump_nvlist_stats(label
->config_nv
, buflen
);
4719 #define ZDB_MAX_UB_HEADER_SIZE 32
4722 dump_label_uberblocks(zdb_label_t
*label
, uint64_t ashift
, int label_num
)
4726 char header
[ZDB_MAX_UB_HEADER_SIZE
];
4728 vd
.vdev_ashift
= ashift
;
4731 for (int i
= 0; i
< VDEV_UBERBLOCK_COUNT(&vd
); i
++) {
4732 uint64_t uoff
= VDEV_UBERBLOCK_OFFSET(&vd
, i
);
4733 uberblock_t
*ub
= (void *)((char *)&label
->label
+ uoff
);
4734 cksum_record_t
*rec
= label
->uberblocks
[i
];
4737 if (dump_opt
['u'] >= 2) {
4738 print_label_header(label
, label_num
);
4739 (void) printf(" Uberblock[%d] invalid\n", i
);
4744 if ((dump_opt
['u'] < 3) && (first_label(rec
) != label_num
))
4747 if ((dump_opt
['u'] < 4) &&
4748 (ub
->ub_mmp_magic
== MMP_MAGIC
) && ub
->ub_mmp_delay
&&
4749 (i
>= VDEV_UBERBLOCK_COUNT(&vd
) - MMP_BLOCKS_PER_LABEL
))
4752 print_label_header(label
, label_num
);
4753 (void) snprintf(header
, ZDB_MAX_UB_HEADER_SIZE
,
4754 " Uberblock[%d]\n", i
);
4755 dump_uberblock(ub
, header
, "");
4756 print_label_numbers(" labels = ", rec
);
4760 static char curpath
[PATH_MAX
];
4763 * Iterate through the path components, recursively passing
4764 * current one's obj and remaining path until we find the obj
4768 dump_path_impl(objset_t
*os
, uint64_t obj
, char *name
, uint64_t *retobj
)
4771 boolean_t header
= B_TRUE
;
4775 dmu_object_info_t doi
;
4777 if ((s
= strchr(name
, '/')) != NULL
)
4779 err
= zap_lookup(os
, obj
, name
, 8, 1, &child_obj
);
4781 (void) strlcat(curpath
, name
, sizeof (curpath
));
4784 (void) fprintf(stderr
, "failed to lookup %s: %s\n",
4785 curpath
, strerror(err
));
4789 child_obj
= ZFS_DIRENT_OBJ(child_obj
);
4790 err
= sa_buf_hold(os
, child_obj
, FTAG
, &db
);
4792 (void) fprintf(stderr
,
4793 "failed to get SA dbuf for obj %llu: %s\n",
4794 (u_longlong_t
)child_obj
, strerror(err
));
4797 dmu_object_info_from_db(db
, &doi
);
4798 sa_buf_rele(db
, FTAG
);
4800 if (doi
.doi_bonus_type
!= DMU_OT_SA
&&
4801 doi
.doi_bonus_type
!= DMU_OT_ZNODE
) {
4802 (void) fprintf(stderr
, "invalid bonus type %d for obj %llu\n",
4803 doi
.doi_bonus_type
, (u_longlong_t
)child_obj
);
4807 if (dump_opt
['v'] > 6) {
4808 (void) printf("obj=%llu %s type=%d bonustype=%d\n",
4809 (u_longlong_t
)child_obj
, curpath
, doi
.doi_type
,
4810 doi
.doi_bonus_type
);
4813 (void) strlcat(curpath
, "/", sizeof (curpath
));
4815 switch (doi
.doi_type
) {
4816 case DMU_OT_DIRECTORY_CONTENTS
:
4817 if (s
!= NULL
&& *(s
+ 1) != '\0')
4818 return (dump_path_impl(os
, child_obj
, s
+ 1, retobj
));
4820 case DMU_OT_PLAIN_FILE_CONTENTS
:
4821 if (retobj
!= NULL
) {
4822 *retobj
= child_obj
;
4824 dump_object(os
, child_obj
, dump_opt
['v'], &header
,
4829 (void) fprintf(stderr
, "object %llu has non-file/directory "
4830 "type %d\n", (u_longlong_t
)obj
, doi
.doi_type
);
4838 * Dump the blocks for the object specified by path inside the dataset.
4841 dump_path(char *ds
, char *path
, uint64_t *retobj
)
4847 err
= open_objset(ds
, FTAG
, &os
);
4851 err
= zap_lookup(os
, MASTER_NODE_OBJ
, ZFS_ROOT_OBJ
, 8, 1, &root_obj
);
4853 (void) fprintf(stderr
, "can't lookup root znode: %s\n",
4855 close_objset(os
, FTAG
);
4859 (void) snprintf(curpath
, sizeof (curpath
), "dataset=%s path=/", ds
);
4861 err
= dump_path_impl(os
, root_obj
, path
, retobj
);
4863 close_objset(os
, FTAG
);
4868 zdb_copy_object(objset_t
*os
, uint64_t srcobj
, char *destfile
)
4871 uint64_t size
, readsize
, oursize
, offset
;
4875 (void) printf("Copying object %" PRIu64
" to file %s\n", srcobj
,
4878 VERIFY3P(os
, ==, sa_os
);
4879 if ((err
= sa_handle_get(os
, srcobj
, NULL
, SA_HDL_PRIVATE
, &hdl
))) {
4880 (void) printf("Failed to get handle for SA znode\n");
4883 if ((err
= sa_lookup(hdl
, sa_attr_table
[ZPL_SIZE
], &size
, 8))) {
4884 (void) sa_handle_destroy(hdl
);
4887 (void) sa_handle_destroy(hdl
);
4889 (void) printf("Object %" PRIu64
" is %" PRIu64
" bytes\n", srcobj
,
4895 int fd
= open(destfile
, O_WRONLY
| O_CREAT
| O_TRUNC
, 0644);
4899 * We cap the size at 1 mebibyte here to prevent
4900 * allocation failures and nigh-infinite printing if the
4901 * object is extremely large.
4903 oursize
= MIN(size
, 1 << 20);
4905 char *buf
= kmem_alloc(oursize
, KM_NOSLEEP
);
4911 while (offset
< size
) {
4912 readsize
= MIN(size
- offset
, 1 << 20);
4913 err
= dmu_read(os
, srcobj
, offset
, readsize
, buf
, 0);
4915 (void) printf("got error %u from dmu_read\n", err
);
4916 kmem_free(buf
, oursize
);
4920 if (dump_opt
['v'] > 3) {
4921 (void) printf("Read offset=%" PRIu64
" size=%" PRIu64
4922 " error=%d\n", offset
, readsize
, err
);
4925 writesize
= write(fd
, buf
, readsize
);
4926 if (writesize
< 0) {
4929 } else if (writesize
!= readsize
) {
4930 /* Incomplete write */
4931 (void) fprintf(stderr
, "Short write, only wrote %llu of"
4932 " %" PRIu64
" bytes, exiting...\n",
4933 (u_longlong_t
)writesize
, readsize
);
4943 kmem_free(buf
, oursize
);
4949 label_cksum_valid(vdev_label_t
*label
, uint64_t offset
)
4951 zio_checksum_info_t
*ci
= &zio_checksum_table
[ZIO_CHECKSUM_LABEL
];
4952 zio_cksum_t expected_cksum
;
4953 zio_cksum_t actual_cksum
;
4954 zio_cksum_t verifier
;
4958 void *data
= (char *)label
+ offsetof(vdev_label_t
, vl_vdev_phys
);
4959 eck
= (zio_eck_t
*)((char *)(data
) + VDEV_PHYS_SIZE
) - 1;
4961 offset
+= offsetof(vdev_label_t
, vl_vdev_phys
);
4962 ZIO_SET_CHECKSUM(&verifier
, offset
, 0, 0, 0);
4964 byteswap
= (eck
->zec_magic
== BSWAP_64(ZEC_MAGIC
));
4966 byteswap_uint64_array(&verifier
, sizeof (zio_cksum_t
));
4968 expected_cksum
= eck
->zec_cksum
;
4969 eck
->zec_cksum
= verifier
;
4971 abd_t
*abd
= abd_get_from_buf(data
, VDEV_PHYS_SIZE
);
4972 ci
->ci_func
[byteswap
](abd
, VDEV_PHYS_SIZE
, NULL
, &actual_cksum
);
4976 byteswap_uint64_array(&expected_cksum
, sizeof (zio_cksum_t
));
4978 if (ZIO_CHECKSUM_EQUAL(actual_cksum
, expected_cksum
))
4985 dump_label(const char *dev
)
4987 char path
[MAXPATHLEN
];
4988 zdb_label_t labels
[VDEV_LABELS
] = {{{{0}}}};
4989 uint64_t psize
, ashift
, l2cache
;
4990 struct stat64 statbuf
;
4991 boolean_t config_found
= B_FALSE
;
4992 boolean_t error
= B_FALSE
;
4993 boolean_t read_l2arc_header
= B_FALSE
;
4994 avl_tree_t config_tree
;
4995 avl_tree_t uberblock_tree
;
4996 void *node
, *cookie
;
5000 * Check if we were given absolute path and use it as is.
5001 * Otherwise if the provided vdev name doesn't point to a file,
5002 * try prepending expected disk paths and partition numbers.
5004 (void) strlcpy(path
, dev
, sizeof (path
));
5005 if (dev
[0] != '/' && stat64(path
, &statbuf
) != 0) {
5008 error
= zfs_resolve_shortname(dev
, path
, MAXPATHLEN
);
5009 if (error
== 0 && zfs_dev_is_whole_disk(path
)) {
5010 if (zfs_append_partition(path
, MAXPATHLEN
) == -1)
5014 if (error
|| (stat64(path
, &statbuf
) != 0)) {
5015 (void) printf("failed to find device %s, try "
5016 "specifying absolute path instead\n", dev
);
5021 if ((fd
= open64(path
, O_RDONLY
)) < 0) {
5022 (void) printf("cannot open '%s': %s\n", path
, strerror(errno
));
5026 if (fstat64_blk(fd
, &statbuf
) != 0) {
5027 (void) printf("failed to stat '%s': %s\n", path
,
5033 if (S_ISBLK(statbuf
.st_mode
) && zfs_dev_flush(fd
) != 0)
5034 (void) printf("failed to invalidate cache '%s' : %s\n", path
,
5037 avl_create(&config_tree
, cksum_record_compare
,
5038 sizeof (cksum_record_t
), offsetof(cksum_record_t
, link
));
5039 avl_create(&uberblock_tree
, cksum_record_compare
,
5040 sizeof (cksum_record_t
), offsetof(cksum_record_t
, link
));
5042 psize
= statbuf
.st_size
;
5043 psize
= P2ALIGN(psize
, (uint64_t)sizeof (vdev_label_t
));
5044 ashift
= SPA_MINBLOCKSHIFT
;
5047 * 1. Read the label from disk
5048 * 2. Verify label cksum
5049 * 3. Unpack the configuration and insert in config tree.
5050 * 4. Traverse all uberblocks and insert in uberblock tree.
5052 for (int l
= 0; l
< VDEV_LABELS
; l
++) {
5053 zdb_label_t
*label
= &labels
[l
];
5054 char *buf
= label
->label
.vl_vdev_phys
.vp_nvlist
;
5055 size_t buflen
= sizeof (label
->label
.vl_vdev_phys
.vp_nvlist
);
5057 cksum_record_t
*rec
;
5061 label
->label_offset
= vdev_label_offset(psize
, l
, 0);
5063 if (pread64(fd
, &label
->label
, sizeof (label
->label
),
5064 label
->label_offset
) != sizeof (label
->label
)) {
5066 (void) printf("failed to read label %d\n", l
);
5067 label
->read_failed
= B_TRUE
;
5072 label
->read_failed
= B_FALSE
;
5073 label
->cksum_valid
= label_cksum_valid(&label
->label
,
5074 label
->label_offset
);
5076 if (nvlist_unpack(buf
, buflen
, &config
, 0) == 0) {
5077 nvlist_t
*vdev_tree
= NULL
;
5080 if ((nvlist_lookup_nvlist(config
,
5081 ZPOOL_CONFIG_VDEV_TREE
, &vdev_tree
) != 0) ||
5082 (nvlist_lookup_uint64(vdev_tree
,
5083 ZPOOL_CONFIG_ASHIFT
, &ashift
) != 0))
5084 ashift
= SPA_MINBLOCKSHIFT
;
5086 if (nvlist_size(config
, &size
, NV_ENCODE_XDR
) != 0)
5089 /* If the device is a cache device clear the header. */
5090 if (!read_l2arc_header
) {
5091 if (nvlist_lookup_uint64(config
,
5092 ZPOOL_CONFIG_POOL_STATE
, &l2cache
) == 0 &&
5093 l2cache
== POOL_STATE_L2CACHE
) {
5094 read_l2arc_header
= B_TRUE
;
5098 fletcher_4_native_varsize(buf
, size
, &cksum
);
5099 rec
= cksum_record_insert(&config_tree
, &cksum
, l
);
5101 label
->config
= rec
;
5102 label
->config_nv
= config
;
5103 config_found
= B_TRUE
;
5108 vd
.vdev_ashift
= ashift
;
5111 for (int i
= 0; i
< VDEV_UBERBLOCK_COUNT(&vd
); i
++) {
5112 uint64_t uoff
= VDEV_UBERBLOCK_OFFSET(&vd
, i
);
5113 uberblock_t
*ub
= (void *)((char *)label
+ uoff
);
5115 if (uberblock_verify(ub
))
5118 fletcher_4_native_varsize(ub
, sizeof (*ub
), &cksum
);
5119 rec
= cksum_record_insert(&uberblock_tree
, &cksum
, l
);
5121 label
->uberblocks
[i
] = rec
;
5126 * Dump the label and uberblocks.
5128 for (int l
= 0; l
< VDEV_LABELS
; l
++) {
5129 zdb_label_t
*label
= &labels
[l
];
5130 size_t buflen
= sizeof (label
->label
.vl_vdev_phys
.vp_nvlist
);
5132 if (label
->read_failed
== B_TRUE
)
5135 if (label
->config_nv
) {
5136 dump_config_from_label(label
, buflen
, l
);
5139 (void) printf("failed to unpack label %d\n", l
);
5143 dump_label_uberblocks(label
, ashift
, l
);
5145 nvlist_free(label
->config_nv
);
5149 * Dump the L2ARC header, if existent.
5151 if (read_l2arc_header
)
5152 error
|= dump_l2arc_header(fd
);
5155 while ((node
= avl_destroy_nodes(&config_tree
, &cookie
)) != NULL
)
5156 umem_free(node
, sizeof (cksum_record_t
));
5159 while ((node
= avl_destroy_nodes(&uberblock_tree
, &cookie
)) != NULL
)
5160 umem_free(node
, sizeof (cksum_record_t
));
5162 avl_destroy(&config_tree
);
5163 avl_destroy(&uberblock_tree
);
5167 return (config_found
== B_FALSE
? 2 :
5168 (error
== B_TRUE
? 1 : 0));
5171 static uint64_t dataset_feature_count
[SPA_FEATURES
];
5172 static uint64_t global_feature_count
[SPA_FEATURES
];
5173 static uint64_t remap_deadlist_count
= 0;
5176 dump_one_objset(const char *dsname
, void *arg
)
5183 error
= open_objset(dsname
, FTAG
, &os
);
5187 for (f
= 0; f
< SPA_FEATURES
; f
++) {
5188 if (!dsl_dataset_feature_is_active(dmu_objset_ds(os
), f
))
5190 ASSERT(spa_feature_table
[f
].fi_flags
&
5191 ZFEATURE_FLAG_PER_DATASET
);
5192 dataset_feature_count
[f
]++;
5195 if (dsl_dataset_remap_deadlist_exists(dmu_objset_ds(os
))) {
5196 remap_deadlist_count
++;
5199 for (dsl_bookmark_node_t
*dbn
=
5200 avl_first(&dmu_objset_ds(os
)->ds_bookmarks
); dbn
!= NULL
;
5201 dbn
= AVL_NEXT(&dmu_objset_ds(os
)->ds_bookmarks
, dbn
)) {
5202 mos_obj_refd(dbn
->dbn_phys
.zbm_redaction_obj
);
5203 if (dbn
->dbn_phys
.zbm_redaction_obj
!= 0)
5204 global_feature_count
[SPA_FEATURE_REDACTION_BOOKMARKS
]++;
5205 if (dbn
->dbn_phys
.zbm_flags
& ZBM_FLAG_HAS_FBN
)
5206 global_feature_count
[SPA_FEATURE_BOOKMARK_WRITTEN
]++;
5209 if (dsl_deadlist_is_open(&dmu_objset_ds(os
)->ds_dir
->dd_livelist
) &&
5210 !dmu_objset_is_snapshot(os
)) {
5211 global_feature_count
[SPA_FEATURE_LIVELIST
]++;
5215 close_objset(os
, FTAG
);
5216 fuid_table_destroy();
5223 #define PSIZE_HISTO_SIZE (SPA_OLD_MAXBLOCKSIZE / SPA_MINBLOCKSIZE + 2)
5224 typedef struct zdb_blkstats
{
5230 uint64_t zb_ditto_samevdev
;
5231 uint64_t zb_ditto_same_ms
;
5232 uint64_t zb_psize_histogram
[PSIZE_HISTO_SIZE
];
5236 * Extended object types to report deferred frees and dedup auto-ditto blocks.
5238 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
5239 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
5240 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
5241 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
5243 static const char *zdb_ot_extname
[] = {
5250 #define ZB_TOTAL DN_MAX_LEVELS
5251 #define SPA_MAX_FOR_16M (SPA_MAXBLOCKSHIFT+1)
5253 typedef struct zdb_cb
{
5254 zdb_blkstats_t zcb_type
[ZB_TOTAL
+ 1][ZDB_OT_TOTAL
+ 1];
5255 uint64_t zcb_removing_size
;
5256 uint64_t zcb_checkpoint_size
;
5257 uint64_t zcb_dedup_asize
;
5258 uint64_t zcb_dedup_blocks
;
5259 uint64_t zcb_psize_count
[SPA_MAX_FOR_16M
];
5260 uint64_t zcb_lsize_count
[SPA_MAX_FOR_16M
];
5261 uint64_t zcb_asize_count
[SPA_MAX_FOR_16M
];
5262 uint64_t zcb_psize_len
[SPA_MAX_FOR_16M
];
5263 uint64_t zcb_lsize_len
[SPA_MAX_FOR_16M
];
5264 uint64_t zcb_asize_len
[SPA_MAX_FOR_16M
];
5265 uint64_t zcb_psize_total
;
5266 uint64_t zcb_lsize_total
;
5267 uint64_t zcb_asize_total
;
5268 uint64_t zcb_embedded_blocks
[NUM_BP_EMBEDDED_TYPES
];
5269 uint64_t zcb_embedded_histogram
[NUM_BP_EMBEDDED_TYPES
]
5270 [BPE_PAYLOAD_SIZE
+ 1];
5272 hrtime_t zcb_lastprint
;
5273 uint64_t zcb_totalasize
;
5274 uint64_t zcb_errors
[256];
5278 uint32_t **zcb_vd_obsolete_counts
;
5281 /* test if two DVA offsets from same vdev are within the same metaslab */
5283 same_metaslab(spa_t
*spa
, uint64_t vdev
, uint64_t off1
, uint64_t off2
)
5285 vdev_t
*vd
= vdev_lookup_top(spa
, vdev
);
5286 uint64_t ms_shift
= vd
->vdev_ms_shift
;
5288 return ((off1
>> ms_shift
) == (off2
>> ms_shift
));
5292 * Used to simplify reporting of the histogram data.
5294 typedef struct one_histo
{
5298 uint64_t cumulative
;
5302 * The number of separate histograms processed for psize, lsize and asize.
5307 * This routine will create a fixed column size output of three different
5308 * histograms showing by blocksize of 512 - 2^ SPA_MAX_FOR_16M
5309 * the count, length and cumulative length of the psize, lsize and
5312 * All three types of blocks are listed on a single line
5314 * By default the table is printed in nicenumber format (e.g. 123K) but
5315 * if the '-P' parameter is specified then the full raw number (parseable)
5319 dump_size_histograms(zdb_cb_t
*zcb
)
5322 * A temporary buffer that allows us to convert a number into
5323 * a string using zdb_nicenumber to allow either raw or human
5324 * readable numbers to be output.
5329 * Define titles which are used in the headers of the tables
5330 * printed by this routine.
5332 const char blocksize_title1
[] = "block";
5333 const char blocksize_title2
[] = "size";
5334 const char count_title
[] = "Count";
5335 const char length_title
[] = "Size";
5336 const char cumulative_title
[] = "Cum.";
5339 * Setup the histogram arrays (psize, lsize, and asize).
5341 one_histo_t parm_histo
[NUM_HISTO
];
5343 parm_histo
[0].name
= "psize";
5344 parm_histo
[0].count
= zcb
->zcb_psize_count
;
5345 parm_histo
[0].len
= zcb
->zcb_psize_len
;
5346 parm_histo
[0].cumulative
= 0;
5348 parm_histo
[1].name
= "lsize";
5349 parm_histo
[1].count
= zcb
->zcb_lsize_count
;
5350 parm_histo
[1].len
= zcb
->zcb_lsize_len
;
5351 parm_histo
[1].cumulative
= 0;
5353 parm_histo
[2].name
= "asize";
5354 parm_histo
[2].count
= zcb
->zcb_asize_count
;
5355 parm_histo
[2].len
= zcb
->zcb_asize_len
;
5356 parm_histo
[2].cumulative
= 0;
5359 (void) printf("\nBlock Size Histogram\n");
5361 * Print the first line titles
5364 (void) printf("\n%s\t", blocksize_title1
);
5366 (void) printf("\n%7s ", blocksize_title1
);
5368 for (int j
= 0; j
< NUM_HISTO
; j
++) {
5369 if (dump_opt
['P']) {
5370 if (j
< NUM_HISTO
- 1) {
5371 (void) printf("%s\t\t\t", parm_histo
[j
].name
);
5373 /* Don't print trailing spaces */
5374 (void) printf(" %s", parm_histo
[j
].name
);
5377 if (j
< NUM_HISTO
- 1) {
5378 /* Left aligned strings in the output */
5379 (void) printf("%-7s ",
5380 parm_histo
[j
].name
);
5382 /* Don't print trailing spaces */
5383 (void) printf("%s", parm_histo
[j
].name
);
5387 (void) printf("\n");
5390 * Print the second line titles
5392 if (dump_opt
['P']) {
5393 (void) printf("%s\t", blocksize_title2
);
5395 (void) printf("%7s ", blocksize_title2
);
5398 for (int i
= 0; i
< NUM_HISTO
; i
++) {
5399 if (dump_opt
['P']) {
5400 (void) printf("%s\t%s\t%s\t",
5401 count_title
, length_title
, cumulative_title
);
5403 (void) printf("%7s%7s%7s",
5404 count_title
, length_title
, cumulative_title
);
5407 (void) printf("\n");
5412 for (int i
= SPA_MINBLOCKSHIFT
; i
< SPA_MAX_FOR_16M
; i
++) {
5415 * Print the first column showing the blocksize
5417 zdb_nicenum((1ULL << i
), numbuf
, sizeof (numbuf
));
5419 if (dump_opt
['P']) {
5420 printf("%s", numbuf
);
5422 printf("%7s:", numbuf
);
5426 * Print the remaining set of 3 columns per size:
5427 * for psize, lsize and asize
5429 for (int j
= 0; j
< NUM_HISTO
; j
++) {
5430 parm_histo
[j
].cumulative
+= parm_histo
[j
].len
[i
];
5432 zdb_nicenum(parm_histo
[j
].count
[i
],
5433 numbuf
, sizeof (numbuf
));
5435 (void) printf("\t%s", numbuf
);
5437 (void) printf("%7s", numbuf
);
5439 zdb_nicenum(parm_histo
[j
].len
[i
],
5440 numbuf
, sizeof (numbuf
));
5442 (void) printf("\t%s", numbuf
);
5444 (void) printf("%7s", numbuf
);
5446 zdb_nicenum(parm_histo
[j
].cumulative
,
5447 numbuf
, sizeof (numbuf
));
5449 (void) printf("\t%s", numbuf
);
5451 (void) printf("%7s", numbuf
);
5453 (void) printf("\n");
5458 zdb_count_block(zdb_cb_t
*zcb
, zilog_t
*zilog
, const blkptr_t
*bp
,
5459 dmu_object_type_t type
)
5461 uint64_t refcnt
= 0;
5464 ASSERT(type
< ZDB_OT_TOTAL
);
5466 if (zilog
&& zil_bp_tree_add(zilog
, bp
) != 0)
5469 spa_config_enter(zcb
->zcb_spa
, SCL_CONFIG
, FTAG
, RW_READER
);
5471 for (i
= 0; i
< 4; i
++) {
5472 int l
= (i
< 2) ? BP_GET_LEVEL(bp
) : ZB_TOTAL
;
5473 int t
= (i
& 1) ? type
: ZDB_OT_TOTAL
;
5475 zdb_blkstats_t
*zb
= &zcb
->zcb_type
[l
][t
];
5477 zb
->zb_asize
+= BP_GET_ASIZE(bp
);
5478 zb
->zb_lsize
+= BP_GET_LSIZE(bp
);
5479 zb
->zb_psize
+= BP_GET_PSIZE(bp
);
5483 * The histogram is only big enough to record blocks up to
5484 * SPA_OLD_MAXBLOCKSIZE; larger blocks go into the last,
5487 unsigned idx
= BP_GET_PSIZE(bp
) >> SPA_MINBLOCKSHIFT
;
5488 idx
= MIN(idx
, SPA_OLD_MAXBLOCKSIZE
/ SPA_MINBLOCKSIZE
+ 1);
5489 zb
->zb_psize_histogram
[idx
]++;
5491 zb
->zb_gangs
+= BP_COUNT_GANG(bp
);
5493 switch (BP_GET_NDVAS(bp
)) {
5495 if (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
5496 DVA_GET_VDEV(&bp
->blk_dva
[1])) {
5497 zb
->zb_ditto_samevdev
++;
5499 if (same_metaslab(zcb
->zcb_spa
,
5500 DVA_GET_VDEV(&bp
->blk_dva
[0]),
5501 DVA_GET_OFFSET(&bp
->blk_dva
[0]),
5502 DVA_GET_OFFSET(&bp
->blk_dva
[1])))
5503 zb
->zb_ditto_same_ms
++;
5507 equal
= (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
5508 DVA_GET_VDEV(&bp
->blk_dva
[1])) +
5509 (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
5510 DVA_GET_VDEV(&bp
->blk_dva
[2])) +
5511 (DVA_GET_VDEV(&bp
->blk_dva
[1]) ==
5512 DVA_GET_VDEV(&bp
->blk_dva
[2]));
5514 zb
->zb_ditto_samevdev
++;
5516 if (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
5517 DVA_GET_VDEV(&bp
->blk_dva
[1]) &&
5518 same_metaslab(zcb
->zcb_spa
,
5519 DVA_GET_VDEV(&bp
->blk_dva
[0]),
5520 DVA_GET_OFFSET(&bp
->blk_dva
[0]),
5521 DVA_GET_OFFSET(&bp
->blk_dva
[1])))
5522 zb
->zb_ditto_same_ms
++;
5523 else if (DVA_GET_VDEV(&bp
->blk_dva
[0]) ==
5524 DVA_GET_VDEV(&bp
->blk_dva
[2]) &&
5525 same_metaslab(zcb
->zcb_spa
,
5526 DVA_GET_VDEV(&bp
->blk_dva
[0]),
5527 DVA_GET_OFFSET(&bp
->blk_dva
[0]),
5528 DVA_GET_OFFSET(&bp
->blk_dva
[2])))
5529 zb
->zb_ditto_same_ms
++;
5530 else if (DVA_GET_VDEV(&bp
->blk_dva
[1]) ==
5531 DVA_GET_VDEV(&bp
->blk_dva
[2]) &&
5532 same_metaslab(zcb
->zcb_spa
,
5533 DVA_GET_VDEV(&bp
->blk_dva
[1]),
5534 DVA_GET_OFFSET(&bp
->blk_dva
[1]),
5535 DVA_GET_OFFSET(&bp
->blk_dva
[2])))
5536 zb
->zb_ditto_same_ms
++;
5542 spa_config_exit(zcb
->zcb_spa
, SCL_CONFIG
, FTAG
);
5544 if (BP_IS_EMBEDDED(bp
)) {
5545 zcb
->zcb_embedded_blocks
[BPE_GET_ETYPE(bp
)]++;
5546 zcb
->zcb_embedded_histogram
[BPE_GET_ETYPE(bp
)]
5547 [BPE_GET_PSIZE(bp
)]++;
5551 * The binning histogram bins by powers of two up to
5552 * SPA_MAXBLOCKSIZE rather than creating bins for
5553 * every possible blocksize found in the pool.
5555 int bin
= highbit64(BP_GET_PSIZE(bp
)) - 1;
5557 zcb
->zcb_psize_count
[bin
]++;
5558 zcb
->zcb_psize_len
[bin
] += BP_GET_PSIZE(bp
);
5559 zcb
->zcb_psize_total
+= BP_GET_PSIZE(bp
);
5561 bin
= highbit64(BP_GET_LSIZE(bp
)) - 1;
5563 zcb
->zcb_lsize_count
[bin
]++;
5564 zcb
->zcb_lsize_len
[bin
] += BP_GET_LSIZE(bp
);
5565 zcb
->zcb_lsize_total
+= BP_GET_LSIZE(bp
);
5567 bin
= highbit64(BP_GET_ASIZE(bp
)) - 1;
5569 zcb
->zcb_asize_count
[bin
]++;
5570 zcb
->zcb_asize_len
[bin
] += BP_GET_ASIZE(bp
);
5571 zcb
->zcb_asize_total
+= BP_GET_ASIZE(bp
);
5576 if (BP_GET_DEDUP(bp
)) {
5580 ddt
= ddt_select(zcb
->zcb_spa
, bp
);
5582 dde
= ddt_lookup(ddt
, bp
, B_FALSE
);
5587 ddt_phys_t
*ddp
= ddt_phys_select(dde
, bp
);
5588 ddt_phys_decref(ddp
);
5589 refcnt
= ddp
->ddp_refcnt
;
5590 if (ddt_phys_total_refcnt(dde
) == 0)
5591 ddt_remove(ddt
, dde
);
5596 VERIFY3U(zio_wait(zio_claim(NULL
, zcb
->zcb_spa
,
5597 refcnt
? 0 : spa_min_claim_txg(zcb
->zcb_spa
),
5598 bp
, NULL
, NULL
, ZIO_FLAG_CANFAIL
)), ==, 0);
5602 zdb_blkptr_done(zio_t
*zio
)
5604 spa_t
*spa
= zio
->io_spa
;
5605 blkptr_t
*bp
= zio
->io_bp
;
5606 int ioerr
= zio
->io_error
;
5607 zdb_cb_t
*zcb
= zio
->io_private
;
5608 zbookmark_phys_t
*zb
= &zio
->io_bookmark
;
5610 mutex_enter(&spa
->spa_scrub_lock
);
5611 spa
->spa_load_verify_bytes
-= BP_GET_PSIZE(bp
);
5612 cv_broadcast(&spa
->spa_scrub_io_cv
);
5614 if (ioerr
&& !(zio
->io_flags
& ZIO_FLAG_SPECULATIVE
)) {
5615 char blkbuf
[BP_SPRINTF_LEN
];
5617 zcb
->zcb_haderrors
= 1;
5618 zcb
->zcb_errors
[ioerr
]++;
5620 if (dump_opt
['b'] >= 2)
5621 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
5625 (void) printf("zdb_blkptr_cb: "
5626 "Got error %d reading "
5627 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
5629 (u_longlong_t
)zb
->zb_objset
,
5630 (u_longlong_t
)zb
->zb_object
,
5631 (u_longlong_t
)zb
->zb_level
,
5632 (u_longlong_t
)zb
->zb_blkid
,
5635 mutex_exit(&spa
->spa_scrub_lock
);
5637 abd_free(zio
->io_abd
);
5641 zdb_blkptr_cb(spa_t
*spa
, zilog_t
*zilog
, const blkptr_t
*bp
,
5642 const zbookmark_phys_t
*zb
, const dnode_phys_t
*dnp
, void *arg
)
5644 zdb_cb_t
*zcb
= arg
;
5645 dmu_object_type_t type
;
5646 boolean_t is_metadata
;
5648 if (zb
->zb_level
== ZB_DNODE_LEVEL
)
5651 if (dump_opt
['b'] >= 5 && bp
->blk_birth
> 0) {
5652 char blkbuf
[BP_SPRINTF_LEN
];
5653 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
5654 (void) printf("objset %llu object %llu "
5655 "level %lld offset 0x%llx %s\n",
5656 (u_longlong_t
)zb
->zb_objset
,
5657 (u_longlong_t
)zb
->zb_object
,
5658 (longlong_t
)zb
->zb_level
,
5659 (u_longlong_t
)blkid2offset(dnp
, bp
, zb
),
5663 if (BP_IS_HOLE(bp
) || BP_IS_REDACTED(bp
))
5666 type
= BP_GET_TYPE(bp
);
5668 zdb_count_block(zcb
, zilog
, bp
,
5669 (type
& DMU_OT_NEWTYPE
) ? ZDB_OT_OTHER
: type
);
5671 is_metadata
= (BP_GET_LEVEL(bp
) != 0 || DMU_OT_IS_METADATA(type
));
5673 if (!BP_IS_EMBEDDED(bp
) &&
5674 (dump_opt
['c'] > 1 || (dump_opt
['c'] && is_metadata
))) {
5675 size_t size
= BP_GET_PSIZE(bp
);
5676 abd_t
*abd
= abd_alloc(size
, B_FALSE
);
5677 int flags
= ZIO_FLAG_CANFAIL
| ZIO_FLAG_SCRUB
| ZIO_FLAG_RAW
;
5679 /* If it's an intent log block, failure is expected. */
5680 if (zb
->zb_level
== ZB_ZIL_LEVEL
)
5681 flags
|= ZIO_FLAG_SPECULATIVE
;
5683 mutex_enter(&spa
->spa_scrub_lock
);
5684 while (spa
->spa_load_verify_bytes
> max_inflight_bytes
)
5685 cv_wait(&spa
->spa_scrub_io_cv
, &spa
->spa_scrub_lock
);
5686 spa
->spa_load_verify_bytes
+= size
;
5687 mutex_exit(&spa
->spa_scrub_lock
);
5689 zio_nowait(zio_read(NULL
, spa
, bp
, abd
, size
,
5690 zdb_blkptr_done
, zcb
, ZIO_PRIORITY_ASYNC_READ
, flags
, zb
));
5693 zcb
->zcb_readfails
= 0;
5695 /* only call gethrtime() every 100 blocks */
5702 if (dump_opt
['b'] < 5 && gethrtime() > zcb
->zcb_lastprint
+ NANOSEC
) {
5703 uint64_t now
= gethrtime();
5705 uint64_t bytes
= zcb
->zcb_type
[ZB_TOTAL
][ZDB_OT_TOTAL
].zb_asize
;
5706 uint64_t kb_per_sec
=
5707 1 + bytes
/ (1 + ((now
- zcb
->zcb_start
) / 1000 / 1000));
5708 uint64_t sec_remaining
=
5709 (zcb
->zcb_totalasize
- bytes
) / 1024 / kb_per_sec
;
5711 /* make sure nicenum has enough space */
5712 _Static_assert(sizeof (buf
) >= NN_NUMBUF_SZ
, "buf truncated");
5714 zfs_nicebytes(bytes
, buf
, sizeof (buf
));
5715 (void) fprintf(stderr
,
5716 "\r%5s completed (%4"PRIu64
"MB/s) "
5717 "estimated time remaining: "
5718 "%"PRIu64
"hr %02"PRIu64
"min %02"PRIu64
"sec ",
5719 buf
, kb_per_sec
/ 1024,
5720 sec_remaining
/ 60 / 60,
5721 sec_remaining
/ 60 % 60,
5722 sec_remaining
% 60);
5724 zcb
->zcb_lastprint
= now
;
5731 zdb_leak(void *arg
, uint64_t start
, uint64_t size
)
5735 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
5736 (u_longlong_t
)vd
->vdev_id
, (u_longlong_t
)start
, (u_longlong_t
)size
);
5739 static metaslab_ops_t zdb_metaslab_ops
= {
5744 load_unflushed_svr_segs_cb(spa_t
*spa
, space_map_entry_t
*sme
,
5745 uint64_t txg
, void *arg
)
5747 spa_vdev_removal_t
*svr
= arg
;
5749 uint64_t offset
= sme
->sme_offset
;
5750 uint64_t size
= sme
->sme_run
;
5752 /* skip vdevs we don't care about */
5753 if (sme
->sme_vdev
!= svr
->svr_vdev_id
)
5756 vdev_t
*vd
= vdev_lookup_top(spa
, sme
->sme_vdev
);
5757 metaslab_t
*ms
= vd
->vdev_ms
[offset
>> vd
->vdev_ms_shift
];
5758 ASSERT(sme
->sme_type
== SM_ALLOC
|| sme
->sme_type
== SM_FREE
);
5760 if (txg
< metaslab_unflushed_txg(ms
))
5763 if (sme
->sme_type
== SM_ALLOC
)
5764 range_tree_add(svr
->svr_allocd_segs
, offset
, size
);
5766 range_tree_remove(svr
->svr_allocd_segs
, offset
, size
);
5772 claim_segment_impl_cb(uint64_t inner_offset
, vdev_t
*vd
, uint64_t offset
,
5773 uint64_t size
, void *arg
)
5775 (void) inner_offset
, (void) arg
;
5778 * This callback was called through a remap from
5779 * a device being removed. Therefore, the vdev that
5780 * this callback is applied to is a concrete
5783 ASSERT(vdev_is_concrete(vd
));
5785 VERIFY0(metaslab_claim_impl(vd
, offset
, size
,
5786 spa_min_claim_txg(vd
->vdev_spa
)));
5790 claim_segment_cb(void *arg
, uint64_t offset
, uint64_t size
)
5794 vdev_indirect_ops
.vdev_op_remap(vd
, offset
, size
,
5795 claim_segment_impl_cb
, NULL
);
5799 * After accounting for all allocated blocks that are directly referenced,
5800 * we might have missed a reference to a block from a partially complete
5801 * (and thus unused) indirect mapping object. We perform a secondary pass
5802 * through the metaslabs we have already mapped and claim the destination
5806 zdb_claim_removing(spa_t
*spa
, zdb_cb_t
*zcb
)
5811 if (spa
->spa_vdev_removal
== NULL
)
5814 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
5816 spa_vdev_removal_t
*svr
= spa
->spa_vdev_removal
;
5817 vdev_t
*vd
= vdev_lookup_top(spa
, svr
->svr_vdev_id
);
5818 vdev_indirect_mapping_t
*vim
= vd
->vdev_indirect_mapping
;
5820 ASSERT0(range_tree_space(svr
->svr_allocd_segs
));
5822 range_tree_t
*allocs
= range_tree_create(NULL
, RANGE_SEG64
, NULL
, 0, 0);
5823 for (uint64_t msi
= 0; msi
< vd
->vdev_ms_count
; msi
++) {
5824 metaslab_t
*msp
= vd
->vdev_ms
[msi
];
5826 ASSERT0(range_tree_space(allocs
));
5827 if (msp
->ms_sm
!= NULL
)
5828 VERIFY0(space_map_load(msp
->ms_sm
, allocs
, SM_ALLOC
));
5829 range_tree_vacate(allocs
, range_tree_add
, svr
->svr_allocd_segs
);
5831 range_tree_destroy(allocs
);
5833 iterate_through_spacemap_logs(spa
, load_unflushed_svr_segs_cb
, svr
);
5836 * Clear everything past what has been synced,
5837 * because we have not allocated mappings for
5840 range_tree_clear(svr
->svr_allocd_segs
,
5841 vdev_indirect_mapping_max_offset(vim
),
5842 vd
->vdev_asize
- vdev_indirect_mapping_max_offset(vim
));
5844 zcb
->zcb_removing_size
+= range_tree_space(svr
->svr_allocd_segs
);
5845 range_tree_vacate(svr
->svr_allocd_segs
, claim_segment_cb
, vd
);
5847 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
5851 increment_indirect_mapping_cb(void *arg
, const blkptr_t
*bp
, boolean_t bp_freed
,
5855 zdb_cb_t
*zcb
= arg
;
5856 spa_t
*spa
= zcb
->zcb_spa
;
5858 const dva_t
*dva
= &bp
->blk_dva
[0];
5861 ASSERT(!dump_opt
['L']);
5862 ASSERT3U(BP_GET_NDVAS(bp
), ==, 1);
5864 spa_config_enter(spa
, SCL_VDEV
, FTAG
, RW_READER
);
5865 vd
= vdev_lookup_top(zcb
->zcb_spa
, DVA_GET_VDEV(dva
));
5866 ASSERT3P(vd
, !=, NULL
);
5867 spa_config_exit(spa
, SCL_VDEV
, FTAG
);
5869 ASSERT(vd
->vdev_indirect_config
.vic_mapping_object
!= 0);
5870 ASSERT3P(zcb
->zcb_vd_obsolete_counts
[vd
->vdev_id
], !=, NULL
);
5872 vdev_indirect_mapping_increment_obsolete_count(
5873 vd
->vdev_indirect_mapping
,
5874 DVA_GET_OFFSET(dva
), DVA_GET_ASIZE(dva
),
5875 zcb
->zcb_vd_obsolete_counts
[vd
->vdev_id
]);
5881 zdb_load_obsolete_counts(vdev_t
*vd
)
5883 vdev_indirect_mapping_t
*vim
= vd
->vdev_indirect_mapping
;
5884 spa_t
*spa
= vd
->vdev_spa
;
5885 spa_condensing_indirect_phys_t
*scip
=
5886 &spa
->spa_condensing_indirect_phys
;
5887 uint64_t obsolete_sm_object
;
5890 VERIFY0(vdev_obsolete_sm_object(vd
, &obsolete_sm_object
));
5891 EQUIV(obsolete_sm_object
!= 0, vd
->vdev_obsolete_sm
!= NULL
);
5892 counts
= vdev_indirect_mapping_load_obsolete_counts(vim
);
5893 if (vd
->vdev_obsolete_sm
!= NULL
) {
5894 vdev_indirect_mapping_load_obsolete_spacemap(vim
, counts
,
5895 vd
->vdev_obsolete_sm
);
5897 if (scip
->scip_vdev
== vd
->vdev_id
&&
5898 scip
->scip_prev_obsolete_sm_object
!= 0) {
5899 space_map_t
*prev_obsolete_sm
= NULL
;
5900 VERIFY0(space_map_open(&prev_obsolete_sm
, spa
->spa_meta_objset
,
5901 scip
->scip_prev_obsolete_sm_object
, 0, vd
->vdev_asize
, 0));
5902 vdev_indirect_mapping_load_obsolete_spacemap(vim
, counts
,
5904 space_map_close(prev_obsolete_sm
);
5910 zdb_ddt_leak_init(spa_t
*spa
, zdb_cb_t
*zcb
)
5912 ddt_bookmark_t ddb
= {0};
5917 ASSERT(!dump_opt
['L']);
5919 while ((error
= ddt_walk(spa
, &ddb
, &dde
)) == 0) {
5921 ddt_phys_t
*ddp
= dde
.dde_phys
;
5923 if (ddb
.ddb_class
== DDT_CLASS_UNIQUE
)
5926 ASSERT(ddt_phys_total_refcnt(&dde
) > 1);
5928 for (p
= 0; p
< DDT_PHYS_TYPES
; p
++, ddp
++) {
5929 if (ddp
->ddp_phys_birth
== 0)
5931 ddt_bp_create(ddb
.ddb_checksum
,
5932 &dde
.dde_key
, ddp
, &blk
);
5933 if (p
== DDT_PHYS_DITTO
) {
5934 zdb_count_block(zcb
, NULL
, &blk
, ZDB_OT_DITTO
);
5936 zcb
->zcb_dedup_asize
+=
5937 BP_GET_ASIZE(&blk
) * (ddp
->ddp_refcnt
- 1);
5938 zcb
->zcb_dedup_blocks
++;
5941 ddt_t
*ddt
= spa
->spa_ddt
[ddb
.ddb_checksum
];
5943 VERIFY(ddt_lookup(ddt
, &blk
, B_TRUE
) != NULL
);
5947 ASSERT(error
== ENOENT
);
5950 typedef struct checkpoint_sm_exclude_entry_arg
{
5952 uint64_t cseea_checkpoint_size
;
5953 } checkpoint_sm_exclude_entry_arg_t
;
5956 checkpoint_sm_exclude_entry_cb(space_map_entry_t
*sme
, void *arg
)
5958 checkpoint_sm_exclude_entry_arg_t
*cseea
= arg
;
5959 vdev_t
*vd
= cseea
->cseea_vd
;
5960 metaslab_t
*ms
= vd
->vdev_ms
[sme
->sme_offset
>> vd
->vdev_ms_shift
];
5961 uint64_t end
= sme
->sme_offset
+ sme
->sme_run
;
5963 ASSERT(sme
->sme_type
== SM_FREE
);
5966 * Since the vdev_checkpoint_sm exists in the vdev level
5967 * and the ms_sm space maps exist in the metaslab level,
5968 * an entry in the checkpoint space map could theoretically
5969 * cross the boundaries of the metaslab that it belongs.
5971 * In reality, because of the way that we populate and
5972 * manipulate the checkpoint's space maps currently,
5973 * there shouldn't be any entries that cross metaslabs.
5974 * Hence the assertion below.
5976 * That said, there is no fundamental requirement that
5977 * the checkpoint's space map entries should not cross
5978 * metaslab boundaries. So if needed we could add code
5979 * that handles metaslab-crossing segments in the future.
5981 VERIFY3U(sme
->sme_offset
, >=, ms
->ms_start
);
5982 VERIFY3U(end
, <=, ms
->ms_start
+ ms
->ms_size
);
5985 * By removing the entry from the allocated segments we
5986 * also verify that the entry is there to begin with.
5988 mutex_enter(&ms
->ms_lock
);
5989 range_tree_remove(ms
->ms_allocatable
, sme
->sme_offset
, sme
->sme_run
);
5990 mutex_exit(&ms
->ms_lock
);
5992 cseea
->cseea_checkpoint_size
+= sme
->sme_run
;
5997 zdb_leak_init_vdev_exclude_checkpoint(vdev_t
*vd
, zdb_cb_t
*zcb
)
5999 spa_t
*spa
= vd
->vdev_spa
;
6000 space_map_t
*checkpoint_sm
= NULL
;
6001 uint64_t checkpoint_sm_obj
;
6004 * If there is no vdev_top_zap, we are in a pool whose
6005 * version predates the pool checkpoint feature.
6007 if (vd
->vdev_top_zap
== 0)
6011 * If there is no reference of the vdev_checkpoint_sm in
6012 * the vdev_top_zap, then one of the following scenarios
6015 * 1] There is no checkpoint
6016 * 2] There is a checkpoint, but no checkpointed blocks
6017 * have been freed yet
6018 * 3] The current vdev is indirect
6020 * In these cases we return immediately.
6022 if (zap_contains(spa_meta_objset(spa
), vd
->vdev_top_zap
,
6023 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM
) != 0)
6026 VERIFY0(zap_lookup(spa_meta_objset(spa
), vd
->vdev_top_zap
,
6027 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM
, sizeof (uint64_t), 1,
6028 &checkpoint_sm_obj
));
6030 checkpoint_sm_exclude_entry_arg_t cseea
;
6031 cseea
.cseea_vd
= vd
;
6032 cseea
.cseea_checkpoint_size
= 0;
6034 VERIFY0(space_map_open(&checkpoint_sm
, spa_meta_objset(spa
),
6035 checkpoint_sm_obj
, 0, vd
->vdev_asize
, vd
->vdev_ashift
));
6037 VERIFY0(space_map_iterate(checkpoint_sm
,
6038 space_map_length(checkpoint_sm
),
6039 checkpoint_sm_exclude_entry_cb
, &cseea
));
6040 space_map_close(checkpoint_sm
);
6042 zcb
->zcb_checkpoint_size
+= cseea
.cseea_checkpoint_size
;
6046 zdb_leak_init_exclude_checkpoint(spa_t
*spa
, zdb_cb_t
*zcb
)
6048 ASSERT(!dump_opt
['L']);
6050 vdev_t
*rvd
= spa
->spa_root_vdev
;
6051 for (uint64_t c
= 0; c
< rvd
->vdev_children
; c
++) {
6052 ASSERT3U(c
, ==, rvd
->vdev_child
[c
]->vdev_id
);
6053 zdb_leak_init_vdev_exclude_checkpoint(rvd
->vdev_child
[c
], zcb
);
6058 count_unflushed_space_cb(spa_t
*spa
, space_map_entry_t
*sme
,
6059 uint64_t txg
, void *arg
)
6061 int64_t *ualloc_space
= arg
;
6063 uint64_t offset
= sme
->sme_offset
;
6064 uint64_t vdev_id
= sme
->sme_vdev
;
6066 vdev_t
*vd
= vdev_lookup_top(spa
, vdev_id
);
6067 if (!vdev_is_concrete(vd
))
6070 metaslab_t
*ms
= vd
->vdev_ms
[offset
>> vd
->vdev_ms_shift
];
6071 ASSERT(sme
->sme_type
== SM_ALLOC
|| sme
->sme_type
== SM_FREE
);
6073 if (txg
< metaslab_unflushed_txg(ms
))
6076 if (sme
->sme_type
== SM_ALLOC
)
6077 *ualloc_space
+= sme
->sme_run
;
6079 *ualloc_space
-= sme
->sme_run
;
6085 get_unflushed_alloc_space(spa_t
*spa
)
6090 int64_t ualloc_space
= 0;
6091 iterate_through_spacemap_logs(spa
, count_unflushed_space_cb
,
6093 return (ualloc_space
);
6097 load_unflushed_cb(spa_t
*spa
, space_map_entry_t
*sme
, uint64_t txg
, void *arg
)
6099 maptype_t
*uic_maptype
= arg
;
6101 uint64_t offset
= sme
->sme_offset
;
6102 uint64_t size
= sme
->sme_run
;
6103 uint64_t vdev_id
= sme
->sme_vdev
;
6105 vdev_t
*vd
= vdev_lookup_top(spa
, vdev_id
);
6107 /* skip indirect vdevs */
6108 if (!vdev_is_concrete(vd
))
6111 metaslab_t
*ms
= vd
->vdev_ms
[offset
>> vd
->vdev_ms_shift
];
6113 ASSERT(sme
->sme_type
== SM_ALLOC
|| sme
->sme_type
== SM_FREE
);
6114 ASSERT(*uic_maptype
== SM_ALLOC
|| *uic_maptype
== SM_FREE
);
6116 if (txg
< metaslab_unflushed_txg(ms
))
6119 if (*uic_maptype
== sme
->sme_type
)
6120 range_tree_add(ms
->ms_allocatable
, offset
, size
);
6122 range_tree_remove(ms
->ms_allocatable
, offset
, size
);
6128 load_unflushed_to_ms_allocatables(spa_t
*spa
, maptype_t maptype
)
6130 iterate_through_spacemap_logs(spa
, load_unflushed_cb
, &maptype
);
6134 load_concrete_ms_allocatable_trees(spa_t
*spa
, maptype_t maptype
)
6136 vdev_t
*rvd
= spa
->spa_root_vdev
;
6137 for (uint64_t i
= 0; i
< rvd
->vdev_children
; i
++) {
6138 vdev_t
*vd
= rvd
->vdev_child
[i
];
6140 ASSERT3U(i
, ==, vd
->vdev_id
);
6142 if (vd
->vdev_ops
== &vdev_indirect_ops
)
6145 for (uint64_t m
= 0; m
< vd
->vdev_ms_count
; m
++) {
6146 metaslab_t
*msp
= vd
->vdev_ms
[m
];
6148 (void) fprintf(stderr
,
6149 "\rloading concrete vdev %llu, "
6150 "metaslab %llu of %llu ...",
6151 (longlong_t
)vd
->vdev_id
,
6152 (longlong_t
)msp
->ms_id
,
6153 (longlong_t
)vd
->vdev_ms_count
);
6155 mutex_enter(&msp
->ms_lock
);
6156 range_tree_vacate(msp
->ms_allocatable
, NULL
, NULL
);
6159 * We don't want to spend the CPU manipulating the
6160 * size-ordered tree, so clear the range_tree ops.
6162 msp
->ms_allocatable
->rt_ops
= NULL
;
6164 if (msp
->ms_sm
!= NULL
) {
6165 VERIFY0(space_map_load(msp
->ms_sm
,
6166 msp
->ms_allocatable
, maptype
));
6168 if (!msp
->ms_loaded
)
6169 msp
->ms_loaded
= B_TRUE
;
6170 mutex_exit(&msp
->ms_lock
);
6174 load_unflushed_to_ms_allocatables(spa
, maptype
);
6178 * vm_idxp is an in-out parameter which (for indirect vdevs) is the
6179 * index in vim_entries that has the first entry in this metaslab.
6180 * On return, it will be set to the first entry after this metaslab.
6183 load_indirect_ms_allocatable_tree(vdev_t
*vd
, metaslab_t
*msp
,
6186 vdev_indirect_mapping_t
*vim
= vd
->vdev_indirect_mapping
;
6188 mutex_enter(&msp
->ms_lock
);
6189 range_tree_vacate(msp
->ms_allocatable
, NULL
, NULL
);
6192 * We don't want to spend the CPU manipulating the
6193 * size-ordered tree, so clear the range_tree ops.
6195 msp
->ms_allocatable
->rt_ops
= NULL
;
6197 for (; *vim_idxp
< vdev_indirect_mapping_num_entries(vim
);
6199 vdev_indirect_mapping_entry_phys_t
*vimep
=
6200 &vim
->vim_entries
[*vim_idxp
];
6201 uint64_t ent_offset
= DVA_MAPPING_GET_SRC_OFFSET(vimep
);
6202 uint64_t ent_len
= DVA_GET_ASIZE(&vimep
->vimep_dst
);
6203 ASSERT3U(ent_offset
, >=, msp
->ms_start
);
6204 if (ent_offset
>= msp
->ms_start
+ msp
->ms_size
)
6208 * Mappings do not cross metaslab boundaries,
6209 * because we create them by walking the metaslabs.
6211 ASSERT3U(ent_offset
+ ent_len
, <=,
6212 msp
->ms_start
+ msp
->ms_size
);
6213 range_tree_add(msp
->ms_allocatable
, ent_offset
, ent_len
);
6216 if (!msp
->ms_loaded
)
6217 msp
->ms_loaded
= B_TRUE
;
6218 mutex_exit(&msp
->ms_lock
);
6222 zdb_leak_init_prepare_indirect_vdevs(spa_t
*spa
, zdb_cb_t
*zcb
)
6224 ASSERT(!dump_opt
['L']);
6226 vdev_t
*rvd
= spa
->spa_root_vdev
;
6227 for (uint64_t c
= 0; c
< rvd
->vdev_children
; c
++) {
6228 vdev_t
*vd
= rvd
->vdev_child
[c
];
6230 ASSERT3U(c
, ==, vd
->vdev_id
);
6232 if (vd
->vdev_ops
!= &vdev_indirect_ops
)
6236 * Note: we don't check for mapping leaks on
6237 * removing vdevs because their ms_allocatable's
6238 * are used to look for leaks in allocated space.
6240 zcb
->zcb_vd_obsolete_counts
[c
] = zdb_load_obsolete_counts(vd
);
6243 * Normally, indirect vdevs don't have any
6244 * metaslabs. We want to set them up for
6247 vdev_metaslab_group_create(vd
);
6248 VERIFY0(vdev_metaslab_init(vd
, 0));
6250 vdev_indirect_mapping_t
*vim __maybe_unused
=
6251 vd
->vdev_indirect_mapping
;
6252 uint64_t vim_idx
= 0;
6253 for (uint64_t m
= 0; m
< vd
->vdev_ms_count
; m
++) {
6255 (void) fprintf(stderr
,
6256 "\rloading indirect vdev %llu, "
6257 "metaslab %llu of %llu ...",
6258 (longlong_t
)vd
->vdev_id
,
6259 (longlong_t
)vd
->vdev_ms
[m
]->ms_id
,
6260 (longlong_t
)vd
->vdev_ms_count
);
6262 load_indirect_ms_allocatable_tree(vd
, vd
->vdev_ms
[m
],
6265 ASSERT3U(vim_idx
, ==, vdev_indirect_mapping_num_entries(vim
));
6270 zdb_leak_init(spa_t
*spa
, zdb_cb_t
*zcb
)
6277 dsl_pool_t
*dp
= spa
->spa_dsl_pool
;
6278 vdev_t
*rvd
= spa
->spa_root_vdev
;
6281 * We are going to be changing the meaning of the metaslab's
6282 * ms_allocatable. Ensure that the allocator doesn't try to
6285 spa
->spa_normal_class
->mc_ops
= &zdb_metaslab_ops
;
6286 spa
->spa_log_class
->mc_ops
= &zdb_metaslab_ops
;
6287 spa
->spa_embedded_log_class
->mc_ops
= &zdb_metaslab_ops
;
6289 zcb
->zcb_vd_obsolete_counts
=
6290 umem_zalloc(rvd
->vdev_children
* sizeof (uint32_t *),
6294 * For leak detection, we overload the ms_allocatable trees
6295 * to contain allocated segments instead of free segments.
6296 * As a result, we can't use the normal metaslab_load/unload
6299 zdb_leak_init_prepare_indirect_vdevs(spa
, zcb
);
6300 load_concrete_ms_allocatable_trees(spa
, SM_ALLOC
);
6303 * On load_concrete_ms_allocatable_trees() we loaded all the
6304 * allocated entries from the ms_sm to the ms_allocatable for
6305 * each metaslab. If the pool has a checkpoint or is in the
6306 * middle of discarding a checkpoint, some of these blocks
6307 * may have been freed but their ms_sm may not have been
6308 * updated because they are referenced by the checkpoint. In
6309 * order to avoid false-positives during leak-detection, we
6310 * go through the vdev's checkpoint space map and exclude all
6311 * its entries from their relevant ms_allocatable.
6313 * We also aggregate the space held by the checkpoint and add
6314 * it to zcb_checkpoint_size.
6316 * Note that at this point we are also verifying that all the
6317 * entries on the checkpoint_sm are marked as allocated in
6318 * the ms_sm of their relevant metaslab.
6319 * [see comment in checkpoint_sm_exclude_entry_cb()]
6321 zdb_leak_init_exclude_checkpoint(spa
, zcb
);
6322 ASSERT3U(zcb
->zcb_checkpoint_size
, ==, spa_get_checkpoint_space(spa
));
6324 /* for cleaner progress output */
6325 (void) fprintf(stderr
, "\n");
6327 if (bpobj_is_open(&dp
->dp_obsolete_bpobj
)) {
6328 ASSERT(spa_feature_is_enabled(spa
,
6329 SPA_FEATURE_DEVICE_REMOVAL
));
6330 (void) bpobj_iterate_nofree(&dp
->dp_obsolete_bpobj
,
6331 increment_indirect_mapping_cb
, zcb
, NULL
);
6334 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
6335 zdb_ddt_leak_init(spa
, zcb
);
6336 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
6340 zdb_check_for_obsolete_leaks(vdev_t
*vd
, zdb_cb_t
*zcb
)
6342 boolean_t leaks
= B_FALSE
;
6343 vdev_indirect_mapping_t
*vim
= vd
->vdev_indirect_mapping
;
6344 uint64_t total_leaked
= 0;
6345 boolean_t are_precise
= B_FALSE
;
6347 ASSERT(vim
!= NULL
);
6349 for (uint64_t i
= 0; i
< vdev_indirect_mapping_num_entries(vim
); i
++) {
6350 vdev_indirect_mapping_entry_phys_t
*vimep
=
6351 &vim
->vim_entries
[i
];
6352 uint64_t obsolete_bytes
= 0;
6353 uint64_t offset
= DVA_MAPPING_GET_SRC_OFFSET(vimep
);
6354 metaslab_t
*msp
= vd
->vdev_ms
[offset
>> vd
->vdev_ms_shift
];
6357 * This is not very efficient but it's easy to
6358 * verify correctness.
6360 for (uint64_t inner_offset
= 0;
6361 inner_offset
< DVA_GET_ASIZE(&vimep
->vimep_dst
);
6362 inner_offset
+= 1ULL << vd
->vdev_ashift
) {
6363 if (range_tree_contains(msp
->ms_allocatable
,
6364 offset
+ inner_offset
, 1ULL << vd
->vdev_ashift
)) {
6365 obsolete_bytes
+= 1ULL << vd
->vdev_ashift
;
6369 int64_t bytes_leaked
= obsolete_bytes
-
6370 zcb
->zcb_vd_obsolete_counts
[vd
->vdev_id
][i
];
6371 ASSERT3U(DVA_GET_ASIZE(&vimep
->vimep_dst
), >=,
6372 zcb
->zcb_vd_obsolete_counts
[vd
->vdev_id
][i
]);
6374 VERIFY0(vdev_obsolete_counts_are_precise(vd
, &are_precise
));
6375 if (bytes_leaked
!= 0 && (are_precise
|| dump_opt
['d'] >= 5)) {
6376 (void) printf("obsolete indirect mapping count "
6377 "mismatch on %llu:%llx:%llx : %llx bytes leaked\n",
6378 (u_longlong_t
)vd
->vdev_id
,
6379 (u_longlong_t
)DVA_MAPPING_GET_SRC_OFFSET(vimep
),
6380 (u_longlong_t
)DVA_GET_ASIZE(&vimep
->vimep_dst
),
6381 (u_longlong_t
)bytes_leaked
);
6383 total_leaked
+= ABS(bytes_leaked
);
6386 VERIFY0(vdev_obsolete_counts_are_precise(vd
, &are_precise
));
6387 if (!are_precise
&& total_leaked
> 0) {
6388 int pct_leaked
= total_leaked
* 100 /
6389 vdev_indirect_mapping_bytes_mapped(vim
);
6390 (void) printf("cannot verify obsolete indirect mapping "
6391 "counts of vdev %llu because precise feature was not "
6392 "enabled when it was removed: %d%% (%llx bytes) of mapping"
6394 (u_longlong_t
)vd
->vdev_id
, pct_leaked
,
6395 (u_longlong_t
)total_leaked
);
6396 } else if (total_leaked
> 0) {
6397 (void) printf("obsolete indirect mapping count mismatch "
6398 "for vdev %llu -- %llx total bytes mismatched\n",
6399 (u_longlong_t
)vd
->vdev_id
,
6400 (u_longlong_t
)total_leaked
);
6404 vdev_indirect_mapping_free_obsolete_counts(vim
,
6405 zcb
->zcb_vd_obsolete_counts
[vd
->vdev_id
]);
6406 zcb
->zcb_vd_obsolete_counts
[vd
->vdev_id
] = NULL
;
6412 zdb_leak_fini(spa_t
*spa
, zdb_cb_t
*zcb
)
6417 boolean_t leaks
= B_FALSE
;
6418 vdev_t
*rvd
= spa
->spa_root_vdev
;
6419 for (unsigned c
= 0; c
< rvd
->vdev_children
; c
++) {
6420 vdev_t
*vd
= rvd
->vdev_child
[c
];
6422 if (zcb
->zcb_vd_obsolete_counts
[c
] != NULL
) {
6423 leaks
|= zdb_check_for_obsolete_leaks(vd
, zcb
);
6426 for (uint64_t m
= 0; m
< vd
->vdev_ms_count
; m
++) {
6427 metaslab_t
*msp
= vd
->vdev_ms
[m
];
6428 ASSERT3P(msp
->ms_group
, ==, (msp
->ms_group
->mg_class
==
6429 spa_embedded_log_class(spa
)) ?
6430 vd
->vdev_log_mg
: vd
->vdev_mg
);
6433 * ms_allocatable has been overloaded
6434 * to contain allocated segments. Now that
6435 * we finished traversing all blocks, any
6436 * block that remains in the ms_allocatable
6437 * represents an allocated block that we
6438 * did not claim during the traversal.
6439 * Claimed blocks would have been removed
6440 * from the ms_allocatable. For indirect
6441 * vdevs, space remaining in the tree
6442 * represents parts of the mapping that are
6443 * not referenced, which is not a bug.
6445 if (vd
->vdev_ops
== &vdev_indirect_ops
) {
6446 range_tree_vacate(msp
->ms_allocatable
,
6449 range_tree_vacate(msp
->ms_allocatable
,
6452 if (msp
->ms_loaded
) {
6453 msp
->ms_loaded
= B_FALSE
;
6458 umem_free(zcb
->zcb_vd_obsolete_counts
,
6459 rvd
->vdev_children
* sizeof (uint32_t *));
6460 zcb
->zcb_vd_obsolete_counts
= NULL
;
6466 count_block_cb(void *arg
, const blkptr_t
*bp
, dmu_tx_t
*tx
)
6469 zdb_cb_t
*zcb
= arg
;
6471 if (dump_opt
['b'] >= 5) {
6472 char blkbuf
[BP_SPRINTF_LEN
];
6473 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
6474 (void) printf("[%s] %s\n",
6475 "deferred free", blkbuf
);
6477 zdb_count_block(zcb
, NULL
, bp
, ZDB_OT_DEFERRED
);
6482 * Iterate over livelists which have been destroyed by the user but
6483 * are still present in the MOS, waiting to be freed
6486 iterate_deleted_livelists(spa_t
*spa
, ll_iter_t func
, void *arg
)
6488 objset_t
*mos
= spa
->spa_meta_objset
;
6490 int err
= zap_lookup(mos
, DMU_POOL_DIRECTORY_OBJECT
,
6491 DMU_POOL_DELETED_CLONES
, sizeof (uint64_t), 1, &zap_obj
);
6497 zap_attribute_t attr
;
6499 /* NULL out os prior to dsl_deadlist_open in case it's garbage */
6501 for (zap_cursor_init(&zc
, mos
, zap_obj
);
6502 zap_cursor_retrieve(&zc
, &attr
) == 0;
6503 (void) zap_cursor_advance(&zc
)) {
6504 dsl_deadlist_open(&ll
, mos
, attr
.za_first_integer
);
6506 dsl_deadlist_close(&ll
);
6508 zap_cursor_fini(&zc
);
6512 bpobj_count_block_cb(void *arg
, const blkptr_t
*bp
, boolean_t bp_freed
,
6516 return (count_block_cb(arg
, bp
, tx
));
6520 livelist_entry_count_blocks_cb(void *args
, dsl_deadlist_entry_t
*dle
)
6522 zdb_cb_t
*zbc
= args
;
6524 bplist_create(&blks
);
6525 /* determine which blocks have been alloc'd but not freed */
6526 VERIFY0(dsl_process_sub_livelist(&dle
->dle_bpobj
, &blks
, NULL
, NULL
));
6527 /* count those blocks */
6528 (void) bplist_iterate(&blks
, count_block_cb
, zbc
, NULL
);
6529 bplist_destroy(&blks
);
6534 livelist_count_blocks(dsl_deadlist_t
*ll
, void *arg
)
6536 dsl_deadlist_iterate(ll
, livelist_entry_count_blocks_cb
, arg
);
6540 * Count the blocks in the livelists that have been destroyed by the user
6541 * but haven't yet been freed.
6544 deleted_livelists_count_blocks(spa_t
*spa
, zdb_cb_t
*zbc
)
6546 iterate_deleted_livelists(spa
, livelist_count_blocks
, zbc
);
6550 dump_livelist_cb(dsl_deadlist_t
*ll
, void *arg
)
6552 ASSERT3P(arg
, ==, NULL
);
6553 global_feature_count
[SPA_FEATURE_LIVELIST
]++;
6554 dump_blkptr_list(ll
, "Deleted Livelist");
6555 dsl_deadlist_iterate(ll
, sublivelist_verify_lightweight
, NULL
);
6559 * Print out, register object references to, and increment feature counts for
6560 * livelists that have been destroyed by the user but haven't yet been freed.
6563 deleted_livelists_dump_mos(spa_t
*spa
)
6566 objset_t
*mos
= spa
->spa_meta_objset
;
6567 int err
= zap_lookup(mos
, DMU_POOL_DIRECTORY_OBJECT
,
6568 DMU_POOL_DELETED_CLONES
, sizeof (uint64_t), 1, &zap_obj
);
6571 mos_obj_refd(zap_obj
);
6572 iterate_deleted_livelists(spa
, dump_livelist_cb
, NULL
);
6576 dump_block_stats(spa_t
*spa
)
6579 zdb_blkstats_t
*zb
, *tzb
;
6580 uint64_t norm_alloc
, norm_space
, total_alloc
, total_found
;
6581 int flags
= TRAVERSE_PRE
| TRAVERSE_PREFETCH_METADATA
|
6582 TRAVERSE_NO_DECRYPT
| TRAVERSE_HARD
;
6583 boolean_t leaks
= B_FALSE
;
6585 bp_embedded_type_t i
;
6587 zcb
= umem_zalloc(sizeof (zdb_cb_t
), UMEM_NOFAIL
);
6589 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n\n",
6590 (dump_opt
['c'] || !dump_opt
['L']) ? "to verify " : "",
6591 (dump_opt
['c'] == 1) ? "metadata " : "",
6592 dump_opt
['c'] ? "checksums " : "",
6593 (dump_opt
['c'] && !dump_opt
['L']) ? "and verify " : "",
6594 !dump_opt
['L'] ? "nothing leaked " : "");
6597 * When leak detection is enabled we load all space maps as SM_ALLOC
6598 * maps, then traverse the pool claiming each block we discover. If
6599 * the pool is perfectly consistent, the segment trees will be empty
6600 * when we're done. Anything left over is a leak; any block we can't
6601 * claim (because it's not part of any space map) is a double
6602 * allocation, reference to a freed block, or an unclaimed log block.
6604 * When leak detection is disabled (-L option) we still traverse the
6605 * pool claiming each block we discover, but we skip opening any space
6608 zdb_leak_init(spa
, zcb
);
6611 * If there's a deferred-free bplist, process that first.
6613 (void) bpobj_iterate_nofree(&spa
->spa_deferred_bpobj
,
6614 bpobj_count_block_cb
, zcb
, NULL
);
6616 if (spa_version(spa
) >= SPA_VERSION_DEADLISTS
) {
6617 (void) bpobj_iterate_nofree(&spa
->spa_dsl_pool
->dp_free_bpobj
,
6618 bpobj_count_block_cb
, zcb
, NULL
);
6621 zdb_claim_removing(spa
, zcb
);
6623 if (spa_feature_is_active(spa
, SPA_FEATURE_ASYNC_DESTROY
)) {
6624 VERIFY3U(0, ==, bptree_iterate(spa
->spa_meta_objset
,
6625 spa
->spa_dsl_pool
->dp_bptree_obj
, B_FALSE
, count_block_cb
,
6629 deleted_livelists_count_blocks(spa
, zcb
);
6631 if (dump_opt
['c'] > 1)
6632 flags
|= TRAVERSE_PREFETCH_DATA
;
6634 zcb
->zcb_totalasize
= metaslab_class_get_alloc(spa_normal_class(spa
));
6635 zcb
->zcb_totalasize
+= metaslab_class_get_alloc(spa_special_class(spa
));
6636 zcb
->zcb_totalasize
+= metaslab_class_get_alloc(spa_dedup_class(spa
));
6637 zcb
->zcb_totalasize
+=
6638 metaslab_class_get_alloc(spa_embedded_log_class(spa
));
6639 zcb
->zcb_start
= zcb
->zcb_lastprint
= gethrtime();
6640 err
= traverse_pool(spa
, 0, flags
, zdb_blkptr_cb
, zcb
);
6643 * If we've traversed the data blocks then we need to wait for those
6644 * I/Os to complete. We leverage "The Godfather" zio to wait on
6645 * all async I/Os to complete.
6647 if (dump_opt
['c']) {
6648 for (c
= 0; c
< max_ncpus
; c
++) {
6649 (void) zio_wait(spa
->spa_async_zio_root
[c
]);
6650 spa
->spa_async_zio_root
[c
] = zio_root(spa
, NULL
, NULL
,
6651 ZIO_FLAG_CANFAIL
| ZIO_FLAG_SPECULATIVE
|
6652 ZIO_FLAG_GODFATHER
);
6655 ASSERT0(spa
->spa_load_verify_bytes
);
6658 * Done after zio_wait() since zcb_haderrors is modified in
6661 zcb
->zcb_haderrors
|= err
;
6663 if (zcb
->zcb_haderrors
) {
6664 (void) printf("\nError counts:\n\n");
6665 (void) printf("\t%5s %s\n", "errno", "count");
6666 for (e
= 0; e
< 256; e
++) {
6667 if (zcb
->zcb_errors
[e
] != 0) {
6668 (void) printf("\t%5d %llu\n",
6669 e
, (u_longlong_t
)zcb
->zcb_errors
[e
]);
6675 * Report any leaked segments.
6677 leaks
|= zdb_leak_fini(spa
, zcb
);
6679 tzb
= &zcb
->zcb_type
[ZB_TOTAL
][ZDB_OT_TOTAL
];
6681 norm_alloc
= metaslab_class_get_alloc(spa_normal_class(spa
));
6682 norm_space
= metaslab_class_get_space(spa_normal_class(spa
));
6684 total_alloc
= norm_alloc
+
6685 metaslab_class_get_alloc(spa_log_class(spa
)) +
6686 metaslab_class_get_alloc(spa_embedded_log_class(spa
)) +
6687 metaslab_class_get_alloc(spa_special_class(spa
)) +
6688 metaslab_class_get_alloc(spa_dedup_class(spa
)) +
6689 get_unflushed_alloc_space(spa
);
6690 total_found
= tzb
->zb_asize
- zcb
->zcb_dedup_asize
+
6691 zcb
->zcb_removing_size
+ zcb
->zcb_checkpoint_size
;
6693 if (total_found
== total_alloc
&& !dump_opt
['L']) {
6694 (void) printf("\n\tNo leaks (block sum matches space"
6695 " maps exactly)\n");
6696 } else if (!dump_opt
['L']) {
6697 (void) printf("block traversal size %llu != alloc %llu "
6699 (u_longlong_t
)total_found
,
6700 (u_longlong_t
)total_alloc
,
6701 (dump_opt
['L']) ? "unreachable" : "leaked",
6702 (longlong_t
)(total_alloc
- total_found
));
6706 if (tzb
->zb_count
== 0) {
6707 umem_free(zcb
, sizeof (zdb_cb_t
));
6711 (void) printf("\n");
6712 (void) printf("\t%-16s %14llu\n", "bp count:",
6713 (u_longlong_t
)tzb
->zb_count
);
6714 (void) printf("\t%-16s %14llu\n", "ganged count:",
6715 (longlong_t
)tzb
->zb_gangs
);
6716 (void) printf("\t%-16s %14llu avg: %6llu\n", "bp logical:",
6717 (u_longlong_t
)tzb
->zb_lsize
,
6718 (u_longlong_t
)(tzb
->zb_lsize
/ tzb
->zb_count
));
6719 (void) printf("\t%-16s %14llu avg: %6llu compression: %6.2f\n",
6720 "bp physical:", (u_longlong_t
)tzb
->zb_psize
,
6721 (u_longlong_t
)(tzb
->zb_psize
/ tzb
->zb_count
),
6722 (double)tzb
->zb_lsize
/ tzb
->zb_psize
);
6723 (void) printf("\t%-16s %14llu avg: %6llu compression: %6.2f\n",
6724 "bp allocated:", (u_longlong_t
)tzb
->zb_asize
,
6725 (u_longlong_t
)(tzb
->zb_asize
/ tzb
->zb_count
),
6726 (double)tzb
->zb_lsize
/ tzb
->zb_asize
);
6727 (void) printf("\t%-16s %14llu ref>1: %6llu deduplication: %6.2f\n",
6728 "bp deduped:", (u_longlong_t
)zcb
->zcb_dedup_asize
,
6729 (u_longlong_t
)zcb
->zcb_dedup_blocks
,
6730 (double)zcb
->zcb_dedup_asize
/ tzb
->zb_asize
+ 1.0);
6731 (void) printf("\t%-16s %14llu used: %5.2f%%\n", "Normal class:",
6732 (u_longlong_t
)norm_alloc
, 100.0 * norm_alloc
/ norm_space
);
6734 if (spa_special_class(spa
)->mc_allocator
[0].mca_rotor
!= NULL
) {
6735 uint64_t alloc
= metaslab_class_get_alloc(
6736 spa_special_class(spa
));
6737 uint64_t space
= metaslab_class_get_space(
6738 spa_special_class(spa
));
6740 (void) printf("\t%-16s %14llu used: %5.2f%%\n",
6741 "Special class", (u_longlong_t
)alloc
,
6742 100.0 * alloc
/ space
);
6745 if (spa_dedup_class(spa
)->mc_allocator
[0].mca_rotor
!= NULL
) {
6746 uint64_t alloc
= metaslab_class_get_alloc(
6747 spa_dedup_class(spa
));
6748 uint64_t space
= metaslab_class_get_space(
6749 spa_dedup_class(spa
));
6751 (void) printf("\t%-16s %14llu used: %5.2f%%\n",
6752 "Dedup class", (u_longlong_t
)alloc
,
6753 100.0 * alloc
/ space
);
6756 if (spa_embedded_log_class(spa
)->mc_allocator
[0].mca_rotor
!= NULL
) {
6757 uint64_t alloc
= metaslab_class_get_alloc(
6758 spa_embedded_log_class(spa
));
6759 uint64_t space
= metaslab_class_get_space(
6760 spa_embedded_log_class(spa
));
6762 (void) printf("\t%-16s %14llu used: %5.2f%%\n",
6763 "Embedded log class", (u_longlong_t
)alloc
,
6764 100.0 * alloc
/ space
);
6767 for (i
= 0; i
< NUM_BP_EMBEDDED_TYPES
; i
++) {
6768 if (zcb
->zcb_embedded_blocks
[i
] == 0)
6770 (void) printf("\n");
6771 (void) printf("\tadditional, non-pointer bps of type %u: "
6773 i
, (u_longlong_t
)zcb
->zcb_embedded_blocks
[i
]);
6775 if (dump_opt
['b'] >= 3) {
6776 (void) printf("\t number of (compressed) bytes: "
6778 dump_histogram(zcb
->zcb_embedded_histogram
[i
],
6779 sizeof (zcb
->zcb_embedded_histogram
[i
]) /
6780 sizeof (zcb
->zcb_embedded_histogram
[i
][0]), 0);
6784 if (tzb
->zb_ditto_samevdev
!= 0) {
6785 (void) printf("\tDittoed blocks on same vdev: %llu\n",
6786 (longlong_t
)tzb
->zb_ditto_samevdev
);
6788 if (tzb
->zb_ditto_same_ms
!= 0) {
6789 (void) printf("\tDittoed blocks in same metaslab: %llu\n",
6790 (longlong_t
)tzb
->zb_ditto_same_ms
);
6793 for (uint64_t v
= 0; v
< spa
->spa_root_vdev
->vdev_children
; v
++) {
6794 vdev_t
*vd
= spa
->spa_root_vdev
->vdev_child
[v
];
6795 vdev_indirect_mapping_t
*vim
= vd
->vdev_indirect_mapping
;
6802 zdb_nicenum(vdev_indirect_mapping_num_entries(vim
),
6803 mem
, vdev_indirect_mapping_size(vim
));
6805 (void) printf("\tindirect vdev id %llu has %llu segments "
6807 (longlong_t
)vd
->vdev_id
,
6808 (longlong_t
)vdev_indirect_mapping_num_entries(vim
), mem
);
6811 if (dump_opt
['b'] >= 2) {
6813 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
6814 "\t avg\t comp\t%%Total\tType\n");
6816 for (t
= 0; t
<= ZDB_OT_TOTAL
; t
++) {
6817 char csize
[32], lsize
[32], psize
[32], asize
[32];
6818 char avg
[32], gang
[32];
6819 const char *typename
;
6821 /* make sure nicenum has enough space */
6822 _Static_assert(sizeof (csize
) >= NN_NUMBUF_SZ
,
6824 _Static_assert(sizeof (lsize
) >= NN_NUMBUF_SZ
,
6826 _Static_assert(sizeof (psize
) >= NN_NUMBUF_SZ
,
6828 _Static_assert(sizeof (asize
) >= NN_NUMBUF_SZ
,
6830 _Static_assert(sizeof (avg
) >= NN_NUMBUF_SZ
,
6832 _Static_assert(sizeof (gang
) >= NN_NUMBUF_SZ
,
6835 if (t
< DMU_OT_NUMTYPES
)
6836 typename
= dmu_ot
[t
].ot_name
;
6838 typename
= zdb_ot_extname
[t
- DMU_OT_NUMTYPES
];
6840 if (zcb
->zcb_type
[ZB_TOTAL
][t
].zb_asize
== 0) {
6841 (void) printf("%6s\t%5s\t%5s\t%5s"
6842 "\t%5s\t%5s\t%6s\t%s\n",
6854 for (l
= ZB_TOTAL
- 1; l
>= -1; l
--) {
6855 level
= (l
== -1 ? ZB_TOTAL
: l
);
6856 zb
= &zcb
->zcb_type
[level
][t
];
6858 if (zb
->zb_asize
== 0)
6861 if (dump_opt
['b'] < 3 && level
!= ZB_TOTAL
)
6864 if (level
== 0 && zb
->zb_asize
==
6865 zcb
->zcb_type
[ZB_TOTAL
][t
].zb_asize
)
6868 zdb_nicenum(zb
->zb_count
, csize
,
6870 zdb_nicenum(zb
->zb_lsize
, lsize
,
6872 zdb_nicenum(zb
->zb_psize
, psize
,
6874 zdb_nicenum(zb
->zb_asize
, asize
,
6876 zdb_nicenum(zb
->zb_asize
/ zb
->zb_count
, avg
,
6878 zdb_nicenum(zb
->zb_gangs
, gang
, sizeof (gang
));
6880 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
6882 csize
, lsize
, psize
, asize
, avg
,
6883 (double)zb
->zb_lsize
/ zb
->zb_psize
,
6884 100.0 * zb
->zb_asize
/ tzb
->zb_asize
);
6886 if (level
== ZB_TOTAL
)
6887 (void) printf("%s\n", typename
);
6889 (void) printf(" L%d %s\n",
6892 if (dump_opt
['b'] >= 3 && zb
->zb_gangs
> 0) {
6893 (void) printf("\t number of ganged "
6894 "blocks: %s\n", gang
);
6897 if (dump_opt
['b'] >= 4) {
6898 (void) printf("psize "
6899 "(in 512-byte sectors): "
6900 "number of blocks\n");
6901 dump_histogram(zb
->zb_psize_histogram
,
6902 PSIZE_HISTO_SIZE
, 0);
6907 /* Output a table summarizing block sizes in the pool */
6908 if (dump_opt
['b'] >= 2) {
6909 dump_size_histograms(zcb
);
6913 (void) printf("\n");
6916 umem_free(zcb
, sizeof (zdb_cb_t
));
6920 if (zcb
->zcb_haderrors
) {
6921 umem_free(zcb
, sizeof (zdb_cb_t
));
6925 umem_free(zcb
, sizeof (zdb_cb_t
));
6929 typedef struct zdb_ddt_entry
{
6931 uint64_t zdde_ref_blocks
;
6932 uint64_t zdde_ref_lsize
;
6933 uint64_t zdde_ref_psize
;
6934 uint64_t zdde_ref_dsize
;
6935 avl_node_t zdde_node
;
6939 zdb_ddt_add_cb(spa_t
*spa
, zilog_t
*zilog
, const blkptr_t
*bp
,
6940 const zbookmark_phys_t
*zb
, const dnode_phys_t
*dnp
, void *arg
)
6942 (void) zilog
, (void) dnp
;
6943 avl_tree_t
*t
= arg
;
6945 zdb_ddt_entry_t
*zdde
, zdde_search
;
6947 if (zb
->zb_level
== ZB_DNODE_LEVEL
|| BP_IS_HOLE(bp
) ||
6951 if (dump_opt
['S'] > 1 && zb
->zb_level
== ZB_ROOT_LEVEL
) {
6952 (void) printf("traversing objset %llu, %llu objects, "
6953 "%lu blocks so far\n",
6954 (u_longlong_t
)zb
->zb_objset
,
6955 (u_longlong_t
)BP_GET_FILL(bp
),
6959 if (BP_IS_HOLE(bp
) || BP_GET_CHECKSUM(bp
) == ZIO_CHECKSUM_OFF
||
6960 BP_GET_LEVEL(bp
) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp
)))
6963 ddt_key_fill(&zdde_search
.zdde_key
, bp
);
6965 zdde
= avl_find(t
, &zdde_search
, &where
);
6968 zdde
= umem_zalloc(sizeof (*zdde
), UMEM_NOFAIL
);
6969 zdde
->zdde_key
= zdde_search
.zdde_key
;
6970 avl_insert(t
, zdde
, where
);
6973 zdde
->zdde_ref_blocks
+= 1;
6974 zdde
->zdde_ref_lsize
+= BP_GET_LSIZE(bp
);
6975 zdde
->zdde_ref_psize
+= BP_GET_PSIZE(bp
);
6976 zdde
->zdde_ref_dsize
+= bp_get_dsize_sync(spa
, bp
);
6982 dump_simulated_ddt(spa_t
*spa
)
6985 void *cookie
= NULL
;
6986 zdb_ddt_entry_t
*zdde
;
6987 ddt_histogram_t ddh_total
= {{{0}}};
6988 ddt_stat_t dds_total
= {0};
6990 avl_create(&t
, ddt_entry_compare
,
6991 sizeof (zdb_ddt_entry_t
), offsetof(zdb_ddt_entry_t
, zdde_node
));
6993 spa_config_enter(spa
, SCL_CONFIG
, FTAG
, RW_READER
);
6995 (void) traverse_pool(spa
, 0, TRAVERSE_PRE
| TRAVERSE_PREFETCH_METADATA
|
6996 TRAVERSE_NO_DECRYPT
, zdb_ddt_add_cb
, &t
);
6998 spa_config_exit(spa
, SCL_CONFIG
, FTAG
);
7000 while ((zdde
= avl_destroy_nodes(&t
, &cookie
)) != NULL
) {
7002 uint64_t refcnt
= zdde
->zdde_ref_blocks
;
7003 ASSERT(refcnt
!= 0);
7005 dds
.dds_blocks
= zdde
->zdde_ref_blocks
/ refcnt
;
7006 dds
.dds_lsize
= zdde
->zdde_ref_lsize
/ refcnt
;
7007 dds
.dds_psize
= zdde
->zdde_ref_psize
/ refcnt
;
7008 dds
.dds_dsize
= zdde
->zdde_ref_dsize
/ refcnt
;
7010 dds
.dds_ref_blocks
= zdde
->zdde_ref_blocks
;
7011 dds
.dds_ref_lsize
= zdde
->zdde_ref_lsize
;
7012 dds
.dds_ref_psize
= zdde
->zdde_ref_psize
;
7013 dds
.dds_ref_dsize
= zdde
->zdde_ref_dsize
;
7015 ddt_stat_add(&ddh_total
.ddh_stat
[highbit64(refcnt
) - 1],
7018 umem_free(zdde
, sizeof (*zdde
));
7023 ddt_histogram_stat(&dds_total
, &ddh_total
);
7025 (void) printf("Simulated DDT histogram:\n");
7027 zpool_dump_ddt(&dds_total
, &ddh_total
);
7029 dump_dedup_ratio(&dds_total
);
7033 verify_device_removal_feature_counts(spa_t
*spa
)
7035 uint64_t dr_feature_refcount
= 0;
7036 uint64_t oc_feature_refcount
= 0;
7037 uint64_t indirect_vdev_count
= 0;
7038 uint64_t precise_vdev_count
= 0;
7039 uint64_t obsolete_counts_object_count
= 0;
7040 uint64_t obsolete_sm_count
= 0;
7041 uint64_t obsolete_counts_count
= 0;
7042 uint64_t scip_count
= 0;
7043 uint64_t obsolete_bpobj_count
= 0;
7046 spa_condensing_indirect_phys_t
*scip
=
7047 &spa
->spa_condensing_indirect_phys
;
7048 if (scip
->scip_next_mapping_object
!= 0) {
7049 vdev_t
*vd
= spa
->spa_root_vdev
->vdev_child
[scip
->scip_vdev
];
7050 ASSERT(scip
->scip_prev_obsolete_sm_object
!= 0);
7051 ASSERT3P(vd
->vdev_ops
, ==, &vdev_indirect_ops
);
7053 (void) printf("Condensing indirect vdev %llu: new mapping "
7054 "object %llu, prev obsolete sm %llu\n",
7055 (u_longlong_t
)scip
->scip_vdev
,
7056 (u_longlong_t
)scip
->scip_next_mapping_object
,
7057 (u_longlong_t
)scip
->scip_prev_obsolete_sm_object
);
7058 if (scip
->scip_prev_obsolete_sm_object
!= 0) {
7059 space_map_t
*prev_obsolete_sm
= NULL
;
7060 VERIFY0(space_map_open(&prev_obsolete_sm
,
7061 spa
->spa_meta_objset
,
7062 scip
->scip_prev_obsolete_sm_object
,
7063 0, vd
->vdev_asize
, 0));
7064 dump_spacemap(spa
->spa_meta_objset
, prev_obsolete_sm
);
7065 (void) printf("\n");
7066 space_map_close(prev_obsolete_sm
);
7072 for (uint64_t i
= 0; i
< spa
->spa_root_vdev
->vdev_children
; i
++) {
7073 vdev_t
*vd
= spa
->spa_root_vdev
->vdev_child
[i
];
7074 vdev_indirect_config_t
*vic
= &vd
->vdev_indirect_config
;
7076 if (vic
->vic_mapping_object
!= 0) {
7077 ASSERT(vd
->vdev_ops
== &vdev_indirect_ops
||
7079 indirect_vdev_count
++;
7081 if (vd
->vdev_indirect_mapping
->vim_havecounts
) {
7082 obsolete_counts_count
++;
7086 boolean_t are_precise
;
7087 VERIFY0(vdev_obsolete_counts_are_precise(vd
, &are_precise
));
7089 ASSERT(vic
->vic_mapping_object
!= 0);
7090 precise_vdev_count
++;
7093 uint64_t obsolete_sm_object
;
7094 VERIFY0(vdev_obsolete_sm_object(vd
, &obsolete_sm_object
));
7095 if (obsolete_sm_object
!= 0) {
7096 ASSERT(vic
->vic_mapping_object
!= 0);
7097 obsolete_sm_count
++;
7101 (void) feature_get_refcount(spa
,
7102 &spa_feature_table
[SPA_FEATURE_DEVICE_REMOVAL
],
7103 &dr_feature_refcount
);
7104 (void) feature_get_refcount(spa
,
7105 &spa_feature_table
[SPA_FEATURE_OBSOLETE_COUNTS
],
7106 &oc_feature_refcount
);
7108 if (dr_feature_refcount
!= indirect_vdev_count
) {
7110 (void) printf("Number of indirect vdevs (%llu) " \
7111 "does not match feature count (%llu)\n",
7112 (u_longlong_t
)indirect_vdev_count
,
7113 (u_longlong_t
)dr_feature_refcount
);
7115 (void) printf("Verified device_removal feature refcount " \
7116 "of %llu is correct\n",
7117 (u_longlong_t
)dr_feature_refcount
);
7120 if (zap_contains(spa_meta_objset(spa
), DMU_POOL_DIRECTORY_OBJECT
,
7121 DMU_POOL_OBSOLETE_BPOBJ
) == 0) {
7122 obsolete_bpobj_count
++;
7126 obsolete_counts_object_count
= precise_vdev_count
;
7127 obsolete_counts_object_count
+= obsolete_sm_count
;
7128 obsolete_counts_object_count
+= obsolete_counts_count
;
7129 obsolete_counts_object_count
+= scip_count
;
7130 obsolete_counts_object_count
+= obsolete_bpobj_count
;
7131 obsolete_counts_object_count
+= remap_deadlist_count
;
7133 if (oc_feature_refcount
!= obsolete_counts_object_count
) {
7135 (void) printf("Number of obsolete counts objects (%llu) " \
7136 "does not match feature count (%llu)\n",
7137 (u_longlong_t
)obsolete_counts_object_count
,
7138 (u_longlong_t
)oc_feature_refcount
);
7139 (void) printf("pv:%llu os:%llu oc:%llu sc:%llu "
7140 "ob:%llu rd:%llu\n",
7141 (u_longlong_t
)precise_vdev_count
,
7142 (u_longlong_t
)obsolete_sm_count
,
7143 (u_longlong_t
)obsolete_counts_count
,
7144 (u_longlong_t
)scip_count
,
7145 (u_longlong_t
)obsolete_bpobj_count
,
7146 (u_longlong_t
)remap_deadlist_count
);
7148 (void) printf("Verified indirect_refcount feature refcount " \
7149 "of %llu is correct\n",
7150 (u_longlong_t
)oc_feature_refcount
);
7156 zdb_set_skip_mmp(char *target
)
7161 * Disable the activity check to allow examination of
7164 mutex_enter(&spa_namespace_lock
);
7165 if ((spa
= spa_lookup(target
)) != NULL
) {
7166 spa
->spa_import_flags
|= ZFS_IMPORT_SKIP_MMP
;
7168 mutex_exit(&spa_namespace_lock
);
7171 #define BOGUS_SUFFIX "_CHECKPOINTED_UNIVERSE"
7173 * Import the checkpointed state of the pool specified by the target
7174 * parameter as readonly. The function also accepts a pool config
7175 * as an optional parameter, else it attempts to infer the config by
7176 * the name of the target pool.
7178 * Note that the checkpointed state's pool name will be the name of
7179 * the original pool with the above suffix appended to it. In addition,
7180 * if the target is not a pool name (e.g. a path to a dataset) then
7181 * the new_path parameter is populated with the updated path to
7182 * reflect the fact that we are looking into the checkpointed state.
7184 * The function returns a newly-allocated copy of the name of the
7185 * pool containing the checkpointed state. When this copy is no
7186 * longer needed it should be freed with free(3C). Same thing
7187 * applies to the new_path parameter if allocated.
7190 import_checkpointed_state(char *target
, nvlist_t
*cfg
, char **new_path
)
7193 char *poolname
, *bogus_name
= NULL
;
7194 boolean_t freecfg
= B_FALSE
;
7196 /* If the target is not a pool, the extract the pool name */
7197 char *path_start
= strchr(target
, '/');
7198 if (path_start
!= NULL
) {
7199 size_t poolname_len
= path_start
- target
;
7200 poolname
= strndup(target
, poolname_len
);
7206 zdb_set_skip_mmp(poolname
);
7207 error
= spa_get_stats(poolname
, &cfg
, NULL
, 0);
7209 fatal("Tried to read config of pool \"%s\" but "
7210 "spa_get_stats() failed with error %d\n",
7216 if (asprintf(&bogus_name
, "%s%s", poolname
, BOGUS_SUFFIX
) == -1) {
7217 if (target
!= poolname
)
7221 fnvlist_add_string(cfg
, ZPOOL_CONFIG_POOL_NAME
, bogus_name
);
7223 error
= spa_import(bogus_name
, cfg
, NULL
,
7224 ZFS_IMPORT_MISSING_LOG
| ZFS_IMPORT_CHECKPOINT
|
7225 ZFS_IMPORT_SKIP_MMP
);
7229 fatal("Tried to import pool \"%s\" but spa_import() failed "
7230 "with error %d\n", bogus_name
, error
);
7233 if (new_path
!= NULL
&& path_start
!= NULL
) {
7234 if (asprintf(new_path
, "%s%s", bogus_name
, path_start
) == -1) {
7236 if (path_start
!= NULL
)
7242 if (target
!= poolname
)
7245 return (bogus_name
);
7248 typedef struct verify_checkpoint_sm_entry_cb_arg
{
7251 /* the following fields are only used for printing progress */
7252 uint64_t vcsec_entryid
;
7253 uint64_t vcsec_num_entries
;
7254 } verify_checkpoint_sm_entry_cb_arg_t
;
7256 #define ENTRIES_PER_PROGRESS_UPDATE 10000
7259 verify_checkpoint_sm_entry_cb(space_map_entry_t
*sme
, void *arg
)
7261 verify_checkpoint_sm_entry_cb_arg_t
*vcsec
= arg
;
7262 vdev_t
*vd
= vcsec
->vcsec_vd
;
7263 metaslab_t
*ms
= vd
->vdev_ms
[sme
->sme_offset
>> vd
->vdev_ms_shift
];
7264 uint64_t end
= sme
->sme_offset
+ sme
->sme_run
;
7266 ASSERT(sme
->sme_type
== SM_FREE
);
7268 if ((vcsec
->vcsec_entryid
% ENTRIES_PER_PROGRESS_UPDATE
) == 0) {
7269 (void) fprintf(stderr
,
7270 "\rverifying vdev %llu, space map entry %llu of %llu ...",
7271 (longlong_t
)vd
->vdev_id
,
7272 (longlong_t
)vcsec
->vcsec_entryid
,
7273 (longlong_t
)vcsec
->vcsec_num_entries
);
7275 vcsec
->vcsec_entryid
++;
7278 * See comment in checkpoint_sm_exclude_entry_cb()
7280 VERIFY3U(sme
->sme_offset
, >=, ms
->ms_start
);
7281 VERIFY3U(end
, <=, ms
->ms_start
+ ms
->ms_size
);
7284 * The entries in the vdev_checkpoint_sm should be marked as
7285 * allocated in the checkpointed state of the pool, therefore
7286 * their respective ms_allocateable trees should not contain them.
7288 mutex_enter(&ms
->ms_lock
);
7289 range_tree_verify_not_present(ms
->ms_allocatable
,
7290 sme
->sme_offset
, sme
->sme_run
);
7291 mutex_exit(&ms
->ms_lock
);
7297 * Verify that all segments in the vdev_checkpoint_sm are allocated
7298 * according to the checkpoint's ms_sm (i.e. are not in the checkpoint's
7301 * Do so by comparing the checkpoint space maps (vdev_checkpoint_sm) of
7302 * each vdev in the current state of the pool to the metaslab space maps
7303 * (ms_sm) of the checkpointed state of the pool.
7305 * Note that the function changes the state of the ms_allocatable
7306 * trees of the current spa_t. The entries of these ms_allocatable
7307 * trees are cleared out and then repopulated from with the free
7308 * entries of their respective ms_sm space maps.
7311 verify_checkpoint_vdev_spacemaps(spa_t
*checkpoint
, spa_t
*current
)
7313 vdev_t
*ckpoint_rvd
= checkpoint
->spa_root_vdev
;
7314 vdev_t
*current_rvd
= current
->spa_root_vdev
;
7316 load_concrete_ms_allocatable_trees(checkpoint
, SM_FREE
);
7318 for (uint64_t c
= 0; c
< ckpoint_rvd
->vdev_children
; c
++) {
7319 vdev_t
*ckpoint_vd
= ckpoint_rvd
->vdev_child
[c
];
7320 vdev_t
*current_vd
= current_rvd
->vdev_child
[c
];
7322 space_map_t
*checkpoint_sm
= NULL
;
7323 uint64_t checkpoint_sm_obj
;
7325 if (ckpoint_vd
->vdev_ops
== &vdev_indirect_ops
) {
7327 * Since we don't allow device removal in a pool
7328 * that has a checkpoint, we expect that all removed
7329 * vdevs were removed from the pool before the
7332 ASSERT3P(current_vd
->vdev_ops
, ==, &vdev_indirect_ops
);
7337 * If the checkpoint space map doesn't exist, then nothing
7338 * here is checkpointed so there's nothing to verify.
7340 if (current_vd
->vdev_top_zap
== 0 ||
7341 zap_contains(spa_meta_objset(current
),
7342 current_vd
->vdev_top_zap
,
7343 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM
) != 0)
7346 VERIFY0(zap_lookup(spa_meta_objset(current
),
7347 current_vd
->vdev_top_zap
, VDEV_TOP_ZAP_POOL_CHECKPOINT_SM
,
7348 sizeof (uint64_t), 1, &checkpoint_sm_obj
));
7350 VERIFY0(space_map_open(&checkpoint_sm
, spa_meta_objset(current
),
7351 checkpoint_sm_obj
, 0, current_vd
->vdev_asize
,
7352 current_vd
->vdev_ashift
));
7354 verify_checkpoint_sm_entry_cb_arg_t vcsec
;
7355 vcsec
.vcsec_vd
= ckpoint_vd
;
7356 vcsec
.vcsec_entryid
= 0;
7357 vcsec
.vcsec_num_entries
=
7358 space_map_length(checkpoint_sm
) / sizeof (uint64_t);
7359 VERIFY0(space_map_iterate(checkpoint_sm
,
7360 space_map_length(checkpoint_sm
),
7361 verify_checkpoint_sm_entry_cb
, &vcsec
));
7362 if (dump_opt
['m'] > 3)
7363 dump_spacemap(current
->spa_meta_objset
, checkpoint_sm
);
7364 space_map_close(checkpoint_sm
);
7368 * If we've added vdevs since we took the checkpoint, ensure
7369 * that their checkpoint space maps are empty.
7371 if (ckpoint_rvd
->vdev_children
< current_rvd
->vdev_children
) {
7372 for (uint64_t c
= ckpoint_rvd
->vdev_children
;
7373 c
< current_rvd
->vdev_children
; c
++) {
7374 vdev_t
*current_vd
= current_rvd
->vdev_child
[c
];
7375 VERIFY3P(current_vd
->vdev_checkpoint_sm
, ==, NULL
);
7379 /* for cleaner progress output */
7380 (void) fprintf(stderr
, "\n");
7384 * Verifies that all space that's allocated in the checkpoint is
7385 * still allocated in the current version, by checking that everything
7386 * in checkpoint's ms_allocatable (which is actually allocated, not
7387 * allocatable/free) is not present in current's ms_allocatable.
7389 * Note that the function changes the state of the ms_allocatable
7390 * trees of both spas when called. The entries of all ms_allocatable
7391 * trees are cleared out and then repopulated from their respective
7392 * ms_sm space maps. In the checkpointed state we load the allocated
7393 * entries, and in the current state we load the free entries.
7396 verify_checkpoint_ms_spacemaps(spa_t
*checkpoint
, spa_t
*current
)
7398 vdev_t
*ckpoint_rvd
= checkpoint
->spa_root_vdev
;
7399 vdev_t
*current_rvd
= current
->spa_root_vdev
;
7401 load_concrete_ms_allocatable_trees(checkpoint
, SM_ALLOC
);
7402 load_concrete_ms_allocatable_trees(current
, SM_FREE
);
7404 for (uint64_t i
= 0; i
< ckpoint_rvd
->vdev_children
; i
++) {
7405 vdev_t
*ckpoint_vd
= ckpoint_rvd
->vdev_child
[i
];
7406 vdev_t
*current_vd
= current_rvd
->vdev_child
[i
];
7408 if (ckpoint_vd
->vdev_ops
== &vdev_indirect_ops
) {
7410 * See comment in verify_checkpoint_vdev_spacemaps()
7412 ASSERT3P(current_vd
->vdev_ops
, ==, &vdev_indirect_ops
);
7416 for (uint64_t m
= 0; m
< ckpoint_vd
->vdev_ms_count
; m
++) {
7417 metaslab_t
*ckpoint_msp
= ckpoint_vd
->vdev_ms
[m
];
7418 metaslab_t
*current_msp
= current_vd
->vdev_ms
[m
];
7420 (void) fprintf(stderr
,
7421 "\rverifying vdev %llu of %llu, "
7422 "metaslab %llu of %llu ...",
7423 (longlong_t
)current_vd
->vdev_id
,
7424 (longlong_t
)current_rvd
->vdev_children
,
7425 (longlong_t
)current_vd
->vdev_ms
[m
]->ms_id
,
7426 (longlong_t
)current_vd
->vdev_ms_count
);
7429 * We walk through the ms_allocatable trees that
7430 * are loaded with the allocated blocks from the
7431 * ms_sm spacemaps of the checkpoint. For each
7432 * one of these ranges we ensure that none of them
7433 * exists in the ms_allocatable trees of the
7434 * current state which are loaded with the ranges
7435 * that are currently free.
7437 * This way we ensure that none of the blocks that
7438 * are part of the checkpoint were freed by mistake.
7440 range_tree_walk(ckpoint_msp
->ms_allocatable
,
7441 (range_tree_func_t
*)range_tree_verify_not_present
,
7442 current_msp
->ms_allocatable
);
7446 /* for cleaner progress output */
7447 (void) fprintf(stderr
, "\n");
7451 verify_checkpoint_blocks(spa_t
*spa
)
7453 ASSERT(!dump_opt
['L']);
7455 spa_t
*checkpoint_spa
;
7456 char *checkpoint_pool
;
7460 * We import the checkpointed state of the pool (under a different
7461 * name) so we can do verification on it against the current state
7464 checkpoint_pool
= import_checkpointed_state(spa
->spa_name
, NULL
,
7466 ASSERT(strcmp(spa
->spa_name
, checkpoint_pool
) != 0);
7468 error
= spa_open(checkpoint_pool
, &checkpoint_spa
, FTAG
);
7470 fatal("Tried to open pool \"%s\" but spa_open() failed with "
7471 "error %d\n", checkpoint_pool
, error
);
7475 * Ensure that ranges in the checkpoint space maps of each vdev
7476 * are allocated according to the checkpointed state's metaslab
7479 verify_checkpoint_vdev_spacemaps(checkpoint_spa
, spa
);
7482 * Ensure that allocated ranges in the checkpoint's metaslab
7483 * space maps remain allocated in the metaslab space maps of
7484 * the current state.
7486 verify_checkpoint_ms_spacemaps(checkpoint_spa
, spa
);
7489 * Once we are done, we get rid of the checkpointed state.
7491 spa_close(checkpoint_spa
, FTAG
);
7492 free(checkpoint_pool
);
7496 dump_leftover_checkpoint_blocks(spa_t
*spa
)
7498 vdev_t
*rvd
= spa
->spa_root_vdev
;
7500 for (uint64_t i
= 0; i
< rvd
->vdev_children
; i
++) {
7501 vdev_t
*vd
= rvd
->vdev_child
[i
];
7503 space_map_t
*checkpoint_sm
= NULL
;
7504 uint64_t checkpoint_sm_obj
;
7506 if (vd
->vdev_top_zap
== 0)
7509 if (zap_contains(spa_meta_objset(spa
), vd
->vdev_top_zap
,
7510 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM
) != 0)
7513 VERIFY0(zap_lookup(spa_meta_objset(spa
), vd
->vdev_top_zap
,
7514 VDEV_TOP_ZAP_POOL_CHECKPOINT_SM
,
7515 sizeof (uint64_t), 1, &checkpoint_sm_obj
));
7517 VERIFY0(space_map_open(&checkpoint_sm
, spa_meta_objset(spa
),
7518 checkpoint_sm_obj
, 0, vd
->vdev_asize
, vd
->vdev_ashift
));
7519 dump_spacemap(spa
->spa_meta_objset
, checkpoint_sm
);
7520 space_map_close(checkpoint_sm
);
7525 verify_checkpoint(spa_t
*spa
)
7527 uberblock_t checkpoint
;
7530 if (!spa_feature_is_active(spa
, SPA_FEATURE_POOL_CHECKPOINT
))
7533 error
= zap_lookup(spa
->spa_meta_objset
, DMU_POOL_DIRECTORY_OBJECT
,
7534 DMU_POOL_ZPOOL_CHECKPOINT
, sizeof (uint64_t),
7535 sizeof (uberblock_t
) / sizeof (uint64_t), &checkpoint
);
7537 if (error
== ENOENT
&& !dump_opt
['L']) {
7539 * If the feature is active but the uberblock is missing
7540 * then we must be in the middle of discarding the
7543 (void) printf("\nPartially discarded checkpoint "
7545 if (dump_opt
['m'] > 3)
7546 dump_leftover_checkpoint_blocks(spa
);
7548 } else if (error
!= 0) {
7549 (void) printf("lookup error %d when looking for "
7550 "checkpointed uberblock in MOS\n", error
);
7553 dump_uberblock(&checkpoint
, "\nCheckpointed uberblock found:\n", "\n");
7555 if (checkpoint
.ub_checkpoint_txg
== 0) {
7556 (void) printf("\nub_checkpoint_txg not set in checkpointed "
7561 if (error
== 0 && !dump_opt
['L'])
7562 verify_checkpoint_blocks(spa
);
7568 mos_leaks_cb(void *arg
, uint64_t start
, uint64_t size
)
7571 for (uint64_t i
= start
; i
< size
; i
++) {
7572 (void) printf("MOS object %llu referenced but not allocated\n",
7578 mos_obj_refd(uint64_t obj
)
7580 if (obj
!= 0 && mos_refd_objs
!= NULL
)
7581 range_tree_add(mos_refd_objs
, obj
, 1);
7585 * Call on a MOS object that may already have been referenced.
7588 mos_obj_refd_multiple(uint64_t obj
)
7590 if (obj
!= 0 && mos_refd_objs
!= NULL
&&
7591 !range_tree_contains(mos_refd_objs
, obj
, 1))
7592 range_tree_add(mos_refd_objs
, obj
, 1);
7596 mos_leak_vdev_top_zap(vdev_t
*vd
)
7598 uint64_t ms_flush_data_obj
;
7599 int error
= zap_lookup(spa_meta_objset(vd
->vdev_spa
),
7600 vd
->vdev_top_zap
, VDEV_TOP_ZAP_MS_UNFLUSHED_PHYS_TXGS
,
7601 sizeof (ms_flush_data_obj
), 1, &ms_flush_data_obj
);
7602 if (error
== ENOENT
)
7606 mos_obj_refd(ms_flush_data_obj
);
7610 mos_leak_vdev(vdev_t
*vd
)
7612 mos_obj_refd(vd
->vdev_dtl_object
);
7613 mos_obj_refd(vd
->vdev_ms_array
);
7614 mos_obj_refd(vd
->vdev_indirect_config
.vic_births_object
);
7615 mos_obj_refd(vd
->vdev_indirect_config
.vic_mapping_object
);
7616 mos_obj_refd(vd
->vdev_leaf_zap
);
7617 if (vd
->vdev_checkpoint_sm
!= NULL
)
7618 mos_obj_refd(vd
->vdev_checkpoint_sm
->sm_object
);
7619 if (vd
->vdev_indirect_mapping
!= NULL
) {
7620 mos_obj_refd(vd
->vdev_indirect_mapping
->
7621 vim_phys
->vimp_counts_object
);
7623 if (vd
->vdev_obsolete_sm
!= NULL
)
7624 mos_obj_refd(vd
->vdev_obsolete_sm
->sm_object
);
7626 for (uint64_t m
= 0; m
< vd
->vdev_ms_count
; m
++) {
7627 metaslab_t
*ms
= vd
->vdev_ms
[m
];
7628 mos_obj_refd(space_map_object(ms
->ms_sm
));
7631 if (vd
->vdev_top_zap
!= 0) {
7632 mos_obj_refd(vd
->vdev_top_zap
);
7633 mos_leak_vdev_top_zap(vd
);
7636 for (uint64_t c
= 0; c
< vd
->vdev_children
; c
++) {
7637 mos_leak_vdev(vd
->vdev_child
[c
]);
7642 mos_leak_log_spacemaps(spa_t
*spa
)
7644 uint64_t spacemap_zap
;
7645 int error
= zap_lookup(spa_meta_objset(spa
),
7646 DMU_POOL_DIRECTORY_OBJECT
, DMU_POOL_LOG_SPACEMAP_ZAP
,
7647 sizeof (spacemap_zap
), 1, &spacemap_zap
);
7648 if (error
== ENOENT
)
7652 mos_obj_refd(spacemap_zap
);
7653 for (spa_log_sm_t
*sls
= avl_first(&spa
->spa_sm_logs_by_txg
);
7654 sls
; sls
= AVL_NEXT(&spa
->spa_sm_logs_by_txg
, sls
))
7655 mos_obj_refd(sls
->sls_sm_obj
);
7659 errorlog_count_refd(objset_t
*mos
, uint64_t errlog
)
7663 for (zap_cursor_init(&zc
, mos
, errlog
);
7664 zap_cursor_retrieve(&zc
, &za
) == 0;
7665 zap_cursor_advance(&zc
)) {
7666 mos_obj_refd(za
.za_first_integer
);
7668 zap_cursor_fini(&zc
);
7672 dump_mos_leaks(spa_t
*spa
)
7675 objset_t
*mos
= spa
->spa_meta_objset
;
7676 dsl_pool_t
*dp
= spa
->spa_dsl_pool
;
7678 /* Visit and mark all referenced objects in the MOS */
7680 mos_obj_refd(DMU_POOL_DIRECTORY_OBJECT
);
7681 mos_obj_refd(spa
->spa_pool_props_object
);
7682 mos_obj_refd(spa
->spa_config_object
);
7683 mos_obj_refd(spa
->spa_ddt_stat_object
);
7684 mos_obj_refd(spa
->spa_feat_desc_obj
);
7685 mos_obj_refd(spa
->spa_feat_enabled_txg_obj
);
7686 mos_obj_refd(spa
->spa_feat_for_read_obj
);
7687 mos_obj_refd(spa
->spa_feat_for_write_obj
);
7688 mos_obj_refd(spa
->spa_history
);
7689 mos_obj_refd(spa
->spa_errlog_last
);
7690 mos_obj_refd(spa
->spa_errlog_scrub
);
7692 if (!spa_feature_is_enabled(spa
, SPA_FEATURE_HEAD_ERRLOG
)) {
7693 errorlog_count_refd(mos
, spa
->spa_errlog_last
);
7694 errorlog_count_refd(mos
, spa
->spa_errlog_scrub
);
7697 mos_obj_refd(spa
->spa_all_vdev_zaps
);
7698 mos_obj_refd(spa
->spa_dsl_pool
->dp_bptree_obj
);
7699 mos_obj_refd(spa
->spa_dsl_pool
->dp_tmp_userrefs_obj
);
7700 mos_obj_refd(spa
->spa_dsl_pool
->dp_scan
->scn_phys
.scn_queue_obj
);
7701 bpobj_count_refd(&spa
->spa_deferred_bpobj
);
7702 mos_obj_refd(dp
->dp_empty_bpobj
);
7703 bpobj_count_refd(&dp
->dp_obsolete_bpobj
);
7704 bpobj_count_refd(&dp
->dp_free_bpobj
);
7705 mos_obj_refd(spa
->spa_l2cache
.sav_object
);
7706 mos_obj_refd(spa
->spa_spares
.sav_object
);
7708 if (spa
->spa_syncing_log_sm
!= NULL
)
7709 mos_obj_refd(spa
->spa_syncing_log_sm
->sm_object
);
7710 mos_leak_log_spacemaps(spa
);
7712 mos_obj_refd(spa
->spa_condensing_indirect_phys
.
7713 scip_next_mapping_object
);
7714 mos_obj_refd(spa
->spa_condensing_indirect_phys
.
7715 scip_prev_obsolete_sm_object
);
7716 if (spa
->spa_condensing_indirect_phys
.scip_next_mapping_object
!= 0) {
7717 vdev_indirect_mapping_t
*vim
=
7718 vdev_indirect_mapping_open(mos
,
7719 spa
->spa_condensing_indirect_phys
.scip_next_mapping_object
);
7720 mos_obj_refd(vim
->vim_phys
->vimp_counts_object
);
7721 vdev_indirect_mapping_close(vim
);
7723 deleted_livelists_dump_mos(spa
);
7725 if (dp
->dp_origin_snap
!= NULL
) {
7728 dsl_pool_config_enter(dp
, FTAG
);
7729 VERIFY0(dsl_dataset_hold_obj(dp
,
7730 dsl_dataset_phys(dp
->dp_origin_snap
)->ds_next_snap_obj
,
7732 count_ds_mos_objects(ds
);
7733 dump_blkptr_list(&ds
->ds_deadlist
, "Deadlist");
7734 dsl_dataset_rele(ds
, FTAG
);
7735 dsl_pool_config_exit(dp
, FTAG
);
7737 count_ds_mos_objects(dp
->dp_origin_snap
);
7738 dump_blkptr_list(&dp
->dp_origin_snap
->ds_deadlist
, "Deadlist");
7740 count_dir_mos_objects(dp
->dp_mos_dir
);
7741 if (dp
->dp_free_dir
!= NULL
)
7742 count_dir_mos_objects(dp
->dp_free_dir
);
7743 if (dp
->dp_leak_dir
!= NULL
)
7744 count_dir_mos_objects(dp
->dp_leak_dir
);
7746 mos_leak_vdev(spa
->spa_root_vdev
);
7748 for (uint64_t class = 0; class < DDT_CLASSES
; class++) {
7749 for (uint64_t type
= 0; type
< DDT_TYPES
; type
++) {
7750 for (uint64_t cksum
= 0;
7751 cksum
< ZIO_CHECKSUM_FUNCTIONS
; cksum
++) {
7752 ddt_t
*ddt
= spa
->spa_ddt
[cksum
];
7753 mos_obj_refd(ddt
->ddt_object
[type
][class]);
7759 * Visit all allocated objects and make sure they are referenced.
7761 uint64_t object
= 0;
7762 while (dmu_object_next(mos
, &object
, B_FALSE
, 0) == 0) {
7763 if (range_tree_contains(mos_refd_objs
, object
, 1)) {
7764 range_tree_remove(mos_refd_objs
, object
, 1);
7766 dmu_object_info_t doi
;
7768 VERIFY0(dmu_object_info(mos
, object
, &doi
));
7769 if (doi
.doi_type
& DMU_OT_NEWTYPE
) {
7770 dmu_object_byteswap_t bswap
=
7771 DMU_OT_BYTESWAP(doi
.doi_type
);
7772 name
= dmu_ot_byteswap
[bswap
].ob_name
;
7774 name
= dmu_ot
[doi
.doi_type
].ot_name
;
7777 (void) printf("MOS object %llu (%s) leaked\n",
7778 (u_longlong_t
)object
, name
);
7782 (void) range_tree_walk(mos_refd_objs
, mos_leaks_cb
, NULL
);
7783 if (!range_tree_is_empty(mos_refd_objs
))
7785 range_tree_vacate(mos_refd_objs
, NULL
, NULL
);
7786 range_tree_destroy(mos_refd_objs
);
7790 typedef struct log_sm_obsolete_stats_arg
{
7791 uint64_t lsos_current_txg
;
7793 uint64_t lsos_total_entries
;
7794 uint64_t lsos_valid_entries
;
7796 uint64_t lsos_sm_entries
;
7797 uint64_t lsos_valid_sm_entries
;
7798 } log_sm_obsolete_stats_arg_t
;
7801 log_spacemap_obsolete_stats_cb(spa_t
*spa
, space_map_entry_t
*sme
,
7802 uint64_t txg
, void *arg
)
7804 log_sm_obsolete_stats_arg_t
*lsos
= arg
;
7806 uint64_t offset
= sme
->sme_offset
;
7807 uint64_t vdev_id
= sme
->sme_vdev
;
7809 if (lsos
->lsos_current_txg
== 0) {
7810 /* this is the first log */
7811 lsos
->lsos_current_txg
= txg
;
7812 } else if (lsos
->lsos_current_txg
< txg
) {
7813 /* we just changed log - print stats and reset */
7814 (void) printf("%-8llu valid entries out of %-8llu - txg %llu\n",
7815 (u_longlong_t
)lsos
->lsos_valid_sm_entries
,
7816 (u_longlong_t
)lsos
->lsos_sm_entries
,
7817 (u_longlong_t
)lsos
->lsos_current_txg
);
7818 lsos
->lsos_valid_sm_entries
= 0;
7819 lsos
->lsos_sm_entries
= 0;
7820 lsos
->lsos_current_txg
= txg
;
7822 ASSERT3U(lsos
->lsos_current_txg
, ==, txg
);
7824 lsos
->lsos_sm_entries
++;
7825 lsos
->lsos_total_entries
++;
7827 vdev_t
*vd
= vdev_lookup_top(spa
, vdev_id
);
7828 if (!vdev_is_concrete(vd
))
7831 metaslab_t
*ms
= vd
->vdev_ms
[offset
>> vd
->vdev_ms_shift
];
7832 ASSERT(sme
->sme_type
== SM_ALLOC
|| sme
->sme_type
== SM_FREE
);
7834 if (txg
< metaslab_unflushed_txg(ms
))
7836 lsos
->lsos_valid_sm_entries
++;
7837 lsos
->lsos_valid_entries
++;
7842 dump_log_spacemap_obsolete_stats(spa_t
*spa
)
7844 if (!spa_feature_is_active(spa
, SPA_FEATURE_LOG_SPACEMAP
))
7847 log_sm_obsolete_stats_arg_t lsos
= {0};
7849 (void) printf("Log Space Map Obsolete Entry Statistics:\n");
7851 iterate_through_spacemap_logs(spa
,
7852 log_spacemap_obsolete_stats_cb
, &lsos
);
7854 /* print stats for latest log */
7855 (void) printf("%-8llu valid entries out of %-8llu - txg %llu\n",
7856 (u_longlong_t
)lsos
.lsos_valid_sm_entries
,
7857 (u_longlong_t
)lsos
.lsos_sm_entries
,
7858 (u_longlong_t
)lsos
.lsos_current_txg
);
7860 (void) printf("%-8llu valid entries out of %-8llu - total\n\n",
7861 (u_longlong_t
)lsos
.lsos_valid_entries
,
7862 (u_longlong_t
)lsos
.lsos_total_entries
);
7866 dump_zpool(spa_t
*spa
)
7868 dsl_pool_t
*dp
= spa_get_dsl(spa
);
7871 if (dump_opt
['y']) {
7872 livelist_metaslab_validate(spa
);
7875 if (dump_opt
['S']) {
7876 dump_simulated_ddt(spa
);
7880 if (!dump_opt
['e'] && dump_opt
['C'] > 1) {
7881 (void) printf("\nCached configuration:\n");
7882 dump_nvlist(spa
->spa_config
, 8);
7889 dump_uberblock(&spa
->spa_uberblock
, "\nUberblock:\n", "\n");
7894 if (dump_opt
['d'] > 2 || dump_opt
['m'])
7895 dump_metaslabs(spa
);
7897 dump_metaslab_groups(spa
, dump_opt
['M'] > 1);
7898 if (dump_opt
['d'] > 2 || dump_opt
['m']) {
7899 dump_log_spacemaps(spa
);
7900 dump_log_spacemap_obsolete_stats(spa
);
7903 if (dump_opt
['d'] || dump_opt
['i']) {
7905 mos_refd_objs
= range_tree_create(NULL
, RANGE_SEG64
, NULL
, 0,
7907 dump_objset(dp
->dp_meta_objset
);
7909 if (dump_opt
['d'] >= 3) {
7910 dsl_pool_t
*dp
= spa
->spa_dsl_pool
;
7911 dump_full_bpobj(&spa
->spa_deferred_bpobj
,
7912 "Deferred frees", 0);
7913 if (spa_version(spa
) >= SPA_VERSION_DEADLISTS
) {
7914 dump_full_bpobj(&dp
->dp_free_bpobj
,
7915 "Pool snapshot frees", 0);
7917 if (bpobj_is_open(&dp
->dp_obsolete_bpobj
)) {
7918 ASSERT(spa_feature_is_enabled(spa
,
7919 SPA_FEATURE_DEVICE_REMOVAL
));
7920 dump_full_bpobj(&dp
->dp_obsolete_bpobj
,
7921 "Pool obsolete blocks", 0);
7924 if (spa_feature_is_active(spa
,
7925 SPA_FEATURE_ASYNC_DESTROY
)) {
7926 dump_bptree(spa
->spa_meta_objset
,
7928 "Pool dataset frees");
7930 dump_dtl(spa
->spa_root_vdev
, 0);
7933 for (spa_feature_t f
= 0; f
< SPA_FEATURES
; f
++)
7934 global_feature_count
[f
] = UINT64_MAX
;
7935 global_feature_count
[SPA_FEATURE_REDACTION_BOOKMARKS
] = 0;
7936 global_feature_count
[SPA_FEATURE_BOOKMARK_WRITTEN
] = 0;
7937 global_feature_count
[SPA_FEATURE_LIVELIST
] = 0;
7939 (void) dmu_objset_find(spa_name(spa
), dump_one_objset
,
7940 NULL
, DS_FIND_SNAPSHOTS
| DS_FIND_CHILDREN
);
7942 if (rc
== 0 && !dump_opt
['L'])
7943 rc
= dump_mos_leaks(spa
);
7945 for (f
= 0; f
< SPA_FEATURES
; f
++) {
7949 if (!(spa_feature_table
[f
].fi_flags
&
7950 ZFEATURE_FLAG_PER_DATASET
)) {
7951 if (global_feature_count
[f
] == UINT64_MAX
)
7953 if (!spa_feature_is_enabled(spa
, f
)) {
7954 ASSERT0(global_feature_count
[f
]);
7957 arr
= global_feature_count
;
7959 if (!spa_feature_is_enabled(spa
, f
)) {
7960 ASSERT0(dataset_feature_count
[f
]);
7963 arr
= dataset_feature_count
;
7965 if (feature_get_refcount(spa
, &spa_feature_table
[f
],
7966 &refcount
) == ENOTSUP
)
7968 if (arr
[f
] != refcount
) {
7969 (void) printf("%s feature refcount mismatch: "
7970 "%lld consumers != %lld refcount\n",
7971 spa_feature_table
[f
].fi_uname
,
7972 (longlong_t
)arr
[f
], (longlong_t
)refcount
);
7975 (void) printf("Verified %s feature refcount "
7976 "of %llu is correct\n",
7977 spa_feature_table
[f
].fi_uname
,
7978 (longlong_t
)refcount
);
7983 rc
= verify_device_removal_feature_counts(spa
);
7986 if (rc
== 0 && (dump_opt
['b'] || dump_opt
['c']))
7987 rc
= dump_block_stats(spa
);
7990 rc
= verify_spacemap_refcounts(spa
);
7993 show_pool_stats(spa
);
7999 rc
= verify_checkpoint(spa
);
8002 dump_debug_buffer();
8007 #define ZDB_FLAG_CHECKSUM 0x0001
8008 #define ZDB_FLAG_DECOMPRESS 0x0002
8009 #define ZDB_FLAG_BSWAP 0x0004
8010 #define ZDB_FLAG_GBH 0x0008
8011 #define ZDB_FLAG_INDIRECT 0x0010
8012 #define ZDB_FLAG_RAW 0x0020
8013 #define ZDB_FLAG_PRINT_BLKPTR 0x0040
8014 #define ZDB_FLAG_VERBOSE 0x0080
8016 static int flagbits
[256];
8017 static char flagbitstr
[16];
8020 zdb_print_blkptr(const blkptr_t
*bp
, int flags
)
8022 char blkbuf
[BP_SPRINTF_LEN
];
8024 if (flags
& ZDB_FLAG_BSWAP
)
8025 byteswap_uint64_array((void *)bp
, sizeof (blkptr_t
));
8027 snprintf_blkptr(blkbuf
, sizeof (blkbuf
), bp
);
8028 (void) printf("%s\n", blkbuf
);
8032 zdb_dump_indirect(blkptr_t
*bp
, int nbps
, int flags
)
8036 for (i
= 0; i
< nbps
; i
++)
8037 zdb_print_blkptr(&bp
[i
], flags
);
8041 zdb_dump_gbh(void *buf
, int flags
)
8043 zdb_dump_indirect((blkptr_t
*)buf
, SPA_GBH_NBLKPTRS
, flags
);
8047 zdb_dump_block_raw(void *buf
, uint64_t size
, int flags
)
8049 if (flags
& ZDB_FLAG_BSWAP
)
8050 byteswap_uint64_array(buf
, size
);
8051 VERIFY(write(fileno(stdout
), buf
, size
) == size
);
8055 zdb_dump_block(char *label
, void *buf
, uint64_t size
, int flags
)
8057 uint64_t *d
= (uint64_t *)buf
;
8058 unsigned nwords
= size
/ sizeof (uint64_t);
8059 int do_bswap
= !!(flags
& ZDB_FLAG_BSWAP
);
8066 hdr
= " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
8068 hdr
= " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
8070 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label
, "", hdr
);
8072 #ifdef _LITTLE_ENDIAN
8073 /* correct the endianness */
8074 do_bswap
= !do_bswap
;
8076 for (i
= 0; i
< nwords
; i
+= 2) {
8077 (void) printf("%06llx: %016llx %016llx ",
8078 (u_longlong_t
)(i
* sizeof (uint64_t)),
8079 (u_longlong_t
)(do_bswap
? BSWAP_64(d
[i
]) : d
[i
]),
8080 (u_longlong_t
)(do_bswap
? BSWAP_64(d
[i
+ 1]) : d
[i
+ 1]));
8083 for (j
= 0; j
< 2 * sizeof (uint64_t); j
++)
8084 (void) printf("%c", isprint(c
[j
]) ? c
[j
] : '.');
8085 (void) printf("\n");
8090 * There are two acceptable formats:
8091 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
8092 * child[.child]* - For example: 0.1.1
8094 * The second form can be used to specify arbitrary vdevs anywhere
8095 * in the hierarchy. For example, in a pool with a mirror of
8096 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
8099 zdb_vdev_lookup(vdev_t
*vdev
, const char *path
)
8107 /* First, assume the x.x.x.x format */
8108 i
= strtoul(path
, &s
, 10);
8109 if (s
== path
|| (s
&& *s
!= '.' && *s
!= '\0'))
8111 if (i
>= vdev
->vdev_children
)
8114 vdev
= vdev
->vdev_child
[i
];
8115 if (s
&& *s
== '\0')
8117 return (zdb_vdev_lookup(vdev
, s
+1));
8120 for (i
= 0; i
< vdev
->vdev_children
; i
++) {
8121 vdev_t
*vc
= vdev
->vdev_child
[i
];
8123 if (vc
->vdev_path
== NULL
) {
8124 vc
= zdb_vdev_lookup(vc
, path
);
8131 p
= strrchr(vc
->vdev_path
, '/');
8132 p
= p
? p
+ 1 : vc
->vdev_path
;
8133 q
= &vc
->vdev_path
[strlen(vc
->vdev_path
) - 2];
8135 if (strcmp(vc
->vdev_path
, path
) == 0)
8137 if (strcmp(p
, path
) == 0)
8139 if (strcmp(q
, "s0") == 0 && strncmp(p
, path
, q
- p
) == 0)
8147 name_from_objset_id(spa_t
*spa
, uint64_t objset_id
, char *outstr
)
8151 dsl_pool_config_enter(spa
->spa_dsl_pool
, FTAG
);
8152 int error
= dsl_dataset_hold_obj(spa
->spa_dsl_pool
, objset_id
,
8155 (void) fprintf(stderr
, "failed to hold objset %llu: %s\n",
8156 (u_longlong_t
)objset_id
, strerror(error
));
8157 dsl_pool_config_exit(spa
->spa_dsl_pool
, FTAG
);
8160 dsl_dataset_name(ds
, outstr
);
8161 dsl_dataset_rele(ds
, NULL
);
8162 dsl_pool_config_exit(spa
->spa_dsl_pool
, FTAG
);
8167 zdb_parse_block_sizes(char *sizes
, uint64_t *lsize
, uint64_t *psize
)
8169 char *s0
, *s1
, *tmp
= NULL
;
8174 s0
= strtok_r(sizes
, "/", &tmp
);
8177 s1
= strtok_r(NULL
, "/", &tmp
);
8178 *lsize
= strtoull(s0
, NULL
, 16);
8179 *psize
= s1
? strtoull(s1
, NULL
, 16) : *lsize
;
8180 return (*lsize
>= *psize
&& *psize
> 0);
8183 #define ZIO_COMPRESS_MASK(alg) (1ULL << (ZIO_COMPRESS_##alg))
8186 zdb_decompress_block(abd_t
*pabd
, void *buf
, void *lbuf
, uint64_t lsize
,
8187 uint64_t psize
, int flags
)
8190 boolean_t exceeded
= B_FALSE
;
8192 * We don't know how the data was compressed, so just try
8193 * every decompress function at every inflated blocksize.
8195 void *lbuf2
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
8196 int cfuncs
[ZIO_COMPRESS_FUNCTIONS
] = { 0 };
8197 int *cfuncp
= cfuncs
;
8198 uint64_t maxlsize
= SPA_MAXBLOCKSIZE
;
8199 uint64_t mask
= ZIO_COMPRESS_MASK(ON
) | ZIO_COMPRESS_MASK(OFF
) |
8200 ZIO_COMPRESS_MASK(INHERIT
) | ZIO_COMPRESS_MASK(EMPTY
) |
8201 (getenv("ZDB_NO_ZLE") ? ZIO_COMPRESS_MASK(ZLE
) : 0);
8202 *cfuncp
++ = ZIO_COMPRESS_LZ4
;
8203 *cfuncp
++ = ZIO_COMPRESS_LZJB
;
8204 mask
|= ZIO_COMPRESS_MASK(LZ4
) | ZIO_COMPRESS_MASK(LZJB
);
8205 for (int c
= 0; c
< ZIO_COMPRESS_FUNCTIONS
; c
++)
8206 if (((1ULL << c
) & mask
) == 0)
8210 * On the one hand, with SPA_MAXBLOCKSIZE at 16MB, this
8211 * could take a while and we should let the user know
8212 * we are not stuck. On the other hand, printing progress
8213 * info gets old after a while. User can specify 'v' flag
8214 * to see the progression.
8217 lsize
+= SPA_MINBLOCKSIZE
;
8220 for (; lsize
<= maxlsize
; lsize
+= SPA_MINBLOCKSIZE
) {
8221 for (cfuncp
= cfuncs
; *cfuncp
; cfuncp
++) {
8222 if (flags
& ZDB_FLAG_VERBOSE
) {
8223 (void) fprintf(stderr
,
8224 "Trying %05llx -> %05llx (%s)\n",
8225 (u_longlong_t
)psize
,
8226 (u_longlong_t
)lsize
,
8227 zio_compress_table
[*cfuncp
].\
8232 * We randomize lbuf2, and decompress to both
8233 * lbuf and lbuf2. This way, we will know if
8234 * decompression fill exactly to lsize.
8236 VERIFY0(random_get_pseudo_bytes(lbuf2
, lsize
));
8238 if (zio_decompress_data(*cfuncp
, pabd
,
8239 lbuf
, psize
, lsize
, NULL
) == 0 &&
8240 zio_decompress_data(*cfuncp
, pabd
,
8241 lbuf2
, psize
, lsize
, NULL
) == 0 &&
8242 memcmp(lbuf
, lbuf2
, lsize
) == 0)
8248 umem_free(lbuf2
, SPA_MAXBLOCKSIZE
);
8250 if (lsize
> maxlsize
) {
8253 if (*cfuncp
== ZIO_COMPRESS_ZLE
) {
8254 printf("\nZLE decompression was selected. If you "
8255 "suspect the results are wrong,\ntry avoiding ZLE "
8256 "by setting and exporting ZDB_NO_ZLE=\"true\"\n");
8263 * Read a block from a pool and print it out. The syntax of the
8264 * block descriptor is:
8266 * pool:vdev_specifier:offset:[lsize/]psize[:flags]
8268 * pool - The name of the pool you wish to read from
8269 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
8270 * offset - offset, in hex, in bytes
8271 * size - Amount of data to read, in hex, in bytes
8272 * flags - A string of characters specifying options
8273 * b: Decode a blkptr at given offset within block
8274 * c: Calculate and display checksums
8275 * d: Decompress data before dumping
8276 * e: Byteswap data before dumping
8277 * g: Display data as a gang block header
8278 * i: Display as an indirect block
8279 * r: Dump raw data to stdout
8284 zdb_read_block(char *thing
, spa_t
*spa
)
8286 blkptr_t blk
, *bp
= &blk
;
8287 dva_t
*dva
= bp
->blk_dva
;
8289 uint64_t offset
= 0, psize
= 0, lsize
= 0, blkptr_offset
= 0;
8294 char *s
, *p
, *dup
, *flagstr
, *sizes
, *tmp
= NULL
;
8295 const char *vdev
, *errmsg
= NULL
;
8297 boolean_t borrowed
= B_FALSE
, found
= B_FALSE
;
8299 dup
= strdup(thing
);
8300 s
= strtok_r(dup
, ":", &tmp
);
8302 s
= strtok_r(NULL
, ":", &tmp
);
8303 offset
= strtoull(s
? s
: "", NULL
, 16);
8304 sizes
= strtok_r(NULL
, ":", &tmp
);
8305 s
= strtok_r(NULL
, ":", &tmp
);
8306 flagstr
= strdup(s
?: "");
8308 if (!zdb_parse_block_sizes(sizes
, &lsize
, &psize
))
8309 errmsg
= "invalid size(s)";
8310 if (!IS_P2ALIGNED(psize
, DEV_BSIZE
) || !IS_P2ALIGNED(lsize
, DEV_BSIZE
))
8311 errmsg
= "size must be a multiple of sector size";
8312 if (!IS_P2ALIGNED(offset
, DEV_BSIZE
))
8313 errmsg
= "offset must be a multiple of sector size";
8315 (void) printf("Invalid block specifier: %s - %s\n",
8321 for (s
= strtok_r(flagstr
, ":", &tmp
);
8323 s
= strtok_r(NULL
, ":", &tmp
)) {
8324 for (i
= 0; i
< strlen(flagstr
); i
++) {
8325 int bit
= flagbits
[(uchar_t
)flagstr
[i
]];
8328 (void) printf("***Ignoring flag: %c\n",
8329 (uchar_t
)flagstr
[i
]);
8335 p
= &flagstr
[i
+ 1];
8336 if (*p
!= ':' && *p
!= '\0') {
8337 int j
= 0, nextbit
= flagbits
[(uchar_t
)*p
];
8338 char *end
, offstr
[8] = { 0 };
8339 if ((bit
== ZDB_FLAG_PRINT_BLKPTR
) &&
8341 /* look ahead to isolate the offset */
8342 while (nextbit
== 0 &&
8343 strchr(flagbitstr
, *p
) == NULL
) {
8346 if (i
+ j
> strlen(flagstr
))
8349 nextbit
= flagbits
[(uchar_t
)*p
];
8351 blkptr_offset
= strtoull(offstr
, &end
,
8354 } else if (nextbit
== 0) {
8355 (void) printf("***Ignoring flag arg:"
8356 " '%c'\n", (uchar_t
)*p
);
8361 if (blkptr_offset
% sizeof (blkptr_t
)) {
8362 printf("Block pointer offset 0x%llx "
8363 "must be divisible by 0x%x\n",
8364 (longlong_t
)blkptr_offset
, (int)sizeof (blkptr_t
));
8367 if (found
== B_FALSE
&& strlen(flagstr
) > 0) {
8368 printf("Invalid flag arg: '%s'\n", flagstr
);
8372 vd
= zdb_vdev_lookup(spa
->spa_root_vdev
, vdev
);
8374 (void) printf("***Invalid vdev: %s\n", vdev
);
8378 (void) fprintf(stderr
, "Found vdev: %s\n",
8381 (void) fprintf(stderr
, "Found vdev type: %s\n",
8382 vd
->vdev_ops
->vdev_op_type
);
8385 pabd
= abd_alloc_for_io(SPA_MAXBLOCKSIZE
, B_FALSE
);
8386 lbuf
= umem_alloc(SPA_MAXBLOCKSIZE
, UMEM_NOFAIL
);
8390 DVA_SET_VDEV(&dva
[0], vd
->vdev_id
);
8391 DVA_SET_OFFSET(&dva
[0], offset
);
8392 DVA_SET_GANG(&dva
[0], !!(flags
& ZDB_FLAG_GBH
));
8393 DVA_SET_ASIZE(&dva
[0], vdev_psize_to_asize(vd
, psize
));
8395 BP_SET_BIRTH(bp
, TXG_INITIAL
, TXG_INITIAL
);
8397 BP_SET_LSIZE(bp
, lsize
);
8398 BP_SET_PSIZE(bp
, psize
);
8399 BP_SET_COMPRESS(bp
, ZIO_COMPRESS_OFF
);
8400 BP_SET_CHECKSUM(bp
, ZIO_CHECKSUM_OFF
);
8401 BP_SET_TYPE(bp
, DMU_OT_NONE
);
8402 BP_SET_LEVEL(bp
, 0);
8403 BP_SET_DEDUP(bp
, 0);
8404 BP_SET_BYTEORDER(bp
, ZFS_HOST_BYTEORDER
);
8406 spa_config_enter(spa
, SCL_STATE
, FTAG
, RW_READER
);
8407 zio
= zio_root(spa
, NULL
, NULL
, 0);
8409 if (vd
== vd
->vdev_top
) {
8411 * Treat this as a normal block read.
8413 zio_nowait(zio_read(zio
, spa
, bp
, pabd
, psize
, NULL
, NULL
,
8414 ZIO_PRIORITY_SYNC_READ
,
8415 ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW
, NULL
));
8418 * Treat this as a vdev child I/O.
8420 zio_nowait(zio_vdev_child_io(zio
, bp
, vd
, offset
, pabd
,
8421 psize
, ZIO_TYPE_READ
, ZIO_PRIORITY_SYNC_READ
,
8422 ZIO_FLAG_DONT_CACHE
| ZIO_FLAG_DONT_PROPAGATE
|
8423 ZIO_FLAG_DONT_RETRY
| ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW
|
8424 ZIO_FLAG_OPTIONAL
, NULL
, NULL
));
8427 error
= zio_wait(zio
);
8428 spa_config_exit(spa
, SCL_STATE
, FTAG
);
8431 (void) printf("Read of %s failed, error: %d\n", thing
, error
);
8435 uint64_t orig_lsize
= lsize
;
8437 if (flags
& ZDB_FLAG_DECOMPRESS
) {
8438 boolean_t failed
= zdb_decompress_block(pabd
, buf
, lbuf
,
8439 lsize
, psize
, flags
);
8441 (void) printf("Decompress of %s failed\n", thing
);
8445 buf
= abd_borrow_buf_copy(pabd
, lsize
);
8449 * Try to detect invalid block pointer. If invalid, try
8452 if ((flags
& ZDB_FLAG_PRINT_BLKPTR
|| flags
& ZDB_FLAG_INDIRECT
) &&
8453 !(flags
& ZDB_FLAG_DECOMPRESS
)) {
8454 const blkptr_t
*b
= (const blkptr_t
*)(void *)
8455 ((uintptr_t)buf
+ (uintptr_t)blkptr_offset
);
8456 if (zfs_blkptr_verify(spa
, b
, B_FALSE
, BLK_VERIFY_ONLY
) ==
8458 abd_return_buf_copy(pabd
, buf
, lsize
);
8461 boolean_t failed
= zdb_decompress_block(pabd
, buf
,
8462 lbuf
, lsize
, psize
, flags
);
8463 b
= (const blkptr_t
*)(void *)
8464 ((uintptr_t)buf
+ (uintptr_t)blkptr_offset
);
8465 if (failed
|| zfs_blkptr_verify(spa
, b
, B_FALSE
,
8466 BLK_VERIFY_LOG
) == B_FALSE
) {
8467 printf("invalid block pointer at this DVA\n");
8473 if (flags
& ZDB_FLAG_PRINT_BLKPTR
)
8474 zdb_print_blkptr((blkptr_t
*)(void *)
8475 ((uintptr_t)buf
+ (uintptr_t)blkptr_offset
), flags
);
8476 else if (flags
& ZDB_FLAG_RAW
)
8477 zdb_dump_block_raw(buf
, lsize
, flags
);
8478 else if (flags
& ZDB_FLAG_INDIRECT
)
8479 zdb_dump_indirect((blkptr_t
*)buf
,
8480 orig_lsize
/ sizeof (blkptr_t
), flags
);
8481 else if (flags
& ZDB_FLAG_GBH
)
8482 zdb_dump_gbh(buf
, flags
);
8484 zdb_dump_block(thing
, buf
, lsize
, flags
);
8487 * If :c was specified, iterate through the checksum table to
8488 * calculate and display each checksum for our specified
8491 if ((flags
& ZDB_FLAG_CHECKSUM
) && !(flags
& ZDB_FLAG_RAW
) &&
8492 !(flags
& ZDB_FLAG_GBH
)) {
8494 (void) printf("\n");
8495 for (enum zio_checksum ck
= ZIO_CHECKSUM_LABEL
;
8496 ck
< ZIO_CHECKSUM_FUNCTIONS
; ck
++) {
8498 if ((zio_checksum_table
[ck
].ci_flags
&
8499 ZCHECKSUM_FLAG_EMBEDDED
) ||
8500 ck
== ZIO_CHECKSUM_NOPARITY
) {
8503 BP_SET_CHECKSUM(bp
, ck
);
8504 spa_config_enter(spa
, SCL_STATE
, FTAG
, RW_READER
);
8505 czio
= zio_root(spa
, NULL
, NULL
, ZIO_FLAG_CANFAIL
);
8508 if (vd
== vd
->vdev_top
) {
8509 zio_nowait(zio_read(czio
, spa
, bp
, pabd
, psize
,
8511 ZIO_PRIORITY_SYNC_READ
,
8512 ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW
|
8513 ZIO_FLAG_DONT_RETRY
, NULL
));
8515 zio_nowait(zio_vdev_child_io(czio
, bp
, vd
,
8516 offset
, pabd
, psize
, ZIO_TYPE_READ
,
8517 ZIO_PRIORITY_SYNC_READ
,
8518 ZIO_FLAG_DONT_CACHE
|
8519 ZIO_FLAG_DONT_PROPAGATE
|
8520 ZIO_FLAG_DONT_RETRY
|
8521 ZIO_FLAG_CANFAIL
| ZIO_FLAG_RAW
|
8522 ZIO_FLAG_SPECULATIVE
|
8523 ZIO_FLAG_OPTIONAL
, NULL
, NULL
));
8525 error
= zio_wait(czio
);
8526 if (error
== 0 || error
== ECKSUM
) {
8527 zio_t
*ck_zio
= zio_root(spa
, NULL
, NULL
, 0);
8529 DVA_GET_OFFSET(&bp
->blk_dva
[0]);
8531 zio_checksum_compute(ck_zio
, ck
, pabd
, lsize
);
8534 "cksum=%016llx:%016llx:%016llx:%016llx\n",
8535 zio_checksum_table
[ck
].ci_name
,
8536 (u_longlong_t
)bp
->blk_cksum
.zc_word
[0],
8537 (u_longlong_t
)bp
->blk_cksum
.zc_word
[1],
8538 (u_longlong_t
)bp
->blk_cksum
.zc_word
[2],
8539 (u_longlong_t
)bp
->blk_cksum
.zc_word
[3]);
8542 printf("error %d reading block\n", error
);
8544 spa_config_exit(spa
, SCL_STATE
, FTAG
);
8549 abd_return_buf_copy(pabd
, buf
, lsize
);
8553 umem_free(lbuf
, SPA_MAXBLOCKSIZE
);
8560 zdb_embedded_block(char *thing
)
8562 blkptr_t bp
= {{{{0}}}};
8563 unsigned long long *words
= (void *)&bp
;
8567 err
= sscanf(thing
, "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx:"
8568 "%llx:%llx:%llx:%llx:%llx:%llx:%llx:%llx",
8569 words
+ 0, words
+ 1, words
+ 2, words
+ 3,
8570 words
+ 4, words
+ 5, words
+ 6, words
+ 7,
8571 words
+ 8, words
+ 9, words
+ 10, words
+ 11,
8572 words
+ 12, words
+ 13, words
+ 14, words
+ 15);
8574 (void) fprintf(stderr
, "invalid input format\n");
8577 ASSERT3U(BPE_GET_LSIZE(&bp
), <=, SPA_MAXBLOCKSIZE
);
8578 buf
= malloc(SPA_MAXBLOCKSIZE
);
8580 (void) fprintf(stderr
, "out of memory\n");
8583 err
= decode_embedded_bp(&bp
, buf
, BPE_GET_LSIZE(&bp
));
8585 (void) fprintf(stderr
, "decode failed: %u\n", err
);
8588 zdb_dump_block_raw(buf
, BPE_GET_LSIZE(&bp
), 0);
8592 /* check for valid hex or decimal numeric string */
8594 zdb_numeric(char *str
)
8598 if (strlen(str
) == 0)
8600 if (strncmp(str
, "0x", 2) == 0 || strncmp(str
, "0X", 2) == 0)
8602 for (; i
< strlen(str
); i
++) {
8603 if (!isxdigit(str
[i
]))
8610 main(int argc
, char **argv
)
8614 objset_t
*os
= NULL
;
8618 char **searchdirs
= NULL
;
8620 char *target
, *target_pool
, dsname
[ZFS_MAX_DATASET_NAME_LEN
];
8621 nvlist_t
*policy
= NULL
;
8622 uint64_t max_txg
= UINT64_MAX
;
8623 int64_t objset_id
= -1;
8625 int flags
= ZFS_IMPORT_MISSING_LOG
;
8626 int rewind
= ZPOOL_NEVER_REWIND
;
8627 char *spa_config_path_env
, *objset_str
;
8628 boolean_t target_is_spa
= B_TRUE
, dataset_lookup
= B_FALSE
;
8629 nvlist_t
*cfg
= NULL
;
8631 dprintf_setup(&argc
, argv
);
8634 * If there is an environment variable SPA_CONFIG_PATH it overrides
8635 * default spa_config_path setting. If -U flag is specified it will
8636 * override this environment variable settings once again.
8638 spa_config_path_env
= getenv("SPA_CONFIG_PATH");
8639 if (spa_config_path_env
!= NULL
)
8640 spa_config_path
= spa_config_path_env
;
8643 * For performance reasons, we set this tunable down. We do so before
8644 * the arg parsing section so that the user can override this value if
8647 zfs_btree_verify_intensity
= 3;
8649 struct option long_options
[] = {
8650 {"ignore-assertions", no_argument
, NULL
, 'A'},
8651 {"block-stats", no_argument
, NULL
, 'b'},
8652 {"checksum", no_argument
, NULL
, 'c'},
8653 {"config", no_argument
, NULL
, 'C'},
8654 {"datasets", no_argument
, NULL
, 'd'},
8655 {"dedup-stats", no_argument
, NULL
, 'D'},
8656 {"exported", no_argument
, NULL
, 'e'},
8657 {"embedded-block-pointer", no_argument
, NULL
, 'E'},
8658 {"automatic-rewind", no_argument
, NULL
, 'F'},
8659 {"dump-debug-msg", no_argument
, NULL
, 'G'},
8660 {"history", no_argument
, NULL
, 'h'},
8661 {"intent-logs", no_argument
, NULL
, 'i'},
8662 {"inflight", required_argument
, NULL
, 'I'},
8663 {"checkpointed-state", no_argument
, NULL
, 'k'},
8664 {"key", required_argument
, NULL
, 'K'},
8665 {"label", no_argument
, NULL
, 'l'},
8666 {"disable-leak-tracking", no_argument
, NULL
, 'L'},
8667 {"metaslabs", no_argument
, NULL
, 'm'},
8668 {"metaslab-groups", no_argument
, NULL
, 'M'},
8669 {"numeric", no_argument
, NULL
, 'N'},
8670 {"option", required_argument
, NULL
, 'o'},
8671 {"object-lookups", no_argument
, NULL
, 'O'},
8672 {"path", required_argument
, NULL
, 'p'},
8673 {"parseable", no_argument
, NULL
, 'P'},
8674 {"skip-label", no_argument
, NULL
, 'q'},
8675 {"copy-object", no_argument
, NULL
, 'r'},
8676 {"read-block", no_argument
, NULL
, 'R'},
8677 {"io-stats", no_argument
, NULL
, 's'},
8678 {"simulate-dedup", no_argument
, NULL
, 'S'},
8679 {"txg", required_argument
, NULL
, 't'},
8680 {"uberblock", no_argument
, NULL
, 'u'},
8681 {"cachefile", required_argument
, NULL
, 'U'},
8682 {"verbose", no_argument
, NULL
, 'v'},
8683 {"verbatim", no_argument
, NULL
, 'V'},
8684 {"dump-blocks", required_argument
, NULL
, 'x'},
8685 {"extreme-rewind", no_argument
, NULL
, 'X'},
8686 {"all-reconstruction", no_argument
, NULL
, 'Y'},
8687 {"livelist", no_argument
, NULL
, 'y'},
8688 {"zstd-headers", no_argument
, NULL
, 'Z'},
8692 while ((c
= getopt_long(argc
, argv
,
8693 "AbcCdDeEFGhiI:kK:lLmMNo:Op:PqrRsSt:uU:vVx:XYyZ",
8694 long_options
, NULL
)) != -1) {
8731 zfs_reconstruct_indirect_combinations_max
= INT_MAX
;
8732 zfs_deadman_enabled
= 0;
8734 /* NB: Sort single match options below. */
8736 max_inflight_bytes
= strtoull(optarg
, NULL
, 0);
8737 if (max_inflight_bytes
== 0) {
8738 (void) fprintf(stderr
, "maximum number "
8739 "of inflight bytes must be greater "
8746 key_material
= strdup(optarg
);
8747 /* redact key material in process table */
8748 while (*optarg
!= '\0') { *optarg
++ = '*'; }
8751 error
= set_global_var(optarg
);
8756 if (searchdirs
== NULL
) {
8757 searchdirs
= umem_alloc(sizeof (char *),
8760 char **tmp
= umem_alloc((nsearch
+ 1) *
8761 sizeof (char *), UMEM_NOFAIL
);
8762 memcpy(tmp
, searchdirs
, nsearch
*
8764 umem_free(searchdirs
,
8765 nsearch
* sizeof (char *));
8768 searchdirs
[nsearch
++] = optarg
;
8771 max_txg
= strtoull(optarg
, NULL
, 0);
8772 if (max_txg
< TXG_INITIAL
) {
8773 (void) fprintf(stderr
, "incorrect txg "
8774 "specified: %s\n", optarg
);
8779 spa_config_path
= optarg
;
8780 if (spa_config_path
[0] != '/') {
8781 (void) fprintf(stderr
,
8782 "cachefile must be an absolute path "
8783 "(i.e. start with a slash)\n");
8791 flags
= ZFS_IMPORT_VERBATIM
;
8794 vn_dumpdir
= optarg
;
8802 if (!dump_opt
['e'] && searchdirs
!= NULL
) {
8803 (void) fprintf(stderr
, "-p option requires use of -e\n");
8808 * ZDB does not typically re-read blocks; therefore limit the ARC
8809 * to 256 MB, which can be used entirely for metadata.
8811 zfs_arc_min
= zfs_arc_meta_min
= 2ULL << SPA_MAXBLOCKSHIFT
;
8812 zfs_arc_max
= zfs_arc_meta_limit
= 256 * 1024 * 1024;
8816 * "zdb -c" uses checksum-verifying scrub i/os which are async reads.
8817 * "zdb -b" uses traversal prefetch which uses async reads.
8818 * For good performance, let several of them be active at once.
8820 zfs_vdev_async_read_max_active
= 10;
8823 * Disable reference tracking for better performance.
8825 reference_tracking_enable
= B_FALSE
;
8828 * Do not fail spa_load when spa_load_verify fails. This is needed
8829 * to load non-idle pools.
8831 spa_load_verify_dryrun
= B_TRUE
;
8834 * ZDB should have ability to read spacemaps.
8836 spa_mode_readable_spacemaps
= B_TRUE
;
8838 kernel_init(SPA_MODE_READ
);
8841 verbose
= MAX(verbose
, 1);
8843 for (c
= 0; c
< 256; c
++) {
8844 if (dump_all
&& strchr("AeEFkKlLNOPrRSXy", c
) == NULL
)
8847 dump_opt
[c
] += verbose
;
8850 libspl_set_assert_ok((dump_opt
['A'] == 1) || (dump_opt
['A'] > 2));
8851 zfs_recover
= (dump_opt
['A'] > 1);
8855 if (argc
< 2 && dump_opt
['R'])
8858 if (dump_opt
['E']) {
8861 zdb_embedded_block(argv
[0]);
8866 if (!dump_opt
['e'] && dump_opt
['C']) {
8867 dump_cachefile(spa_config_path
);
8874 return (dump_label(argv
[0]));
8876 if (dump_opt
['O']) {
8879 dump_opt
['v'] = verbose
+ 3;
8880 return (dump_path(argv
[0], argv
[1], NULL
));
8882 if (dump_opt
['r']) {
8883 target_is_spa
= B_FALSE
;
8886 dump_opt
['v'] = verbose
;
8887 error
= dump_path(argv
[0], argv
[1], &object
);
8889 fatal("internal error: %s", strerror(error
));
8892 if (dump_opt
['X'] || dump_opt
['F'])
8893 rewind
= ZPOOL_DO_REWIND
|
8894 (dump_opt
['X'] ? ZPOOL_EXTREME_REWIND
: 0);
8897 if (dump_opt
['N'] && dump_opt
['d'] == 0)
8898 dump_opt
['d'] = dump_opt
['N'];
8900 if (nvlist_alloc(&policy
, NV_UNIQUE_NAME_TYPE
, 0) != 0 ||
8901 nvlist_add_uint64(policy
, ZPOOL_LOAD_REQUEST_TXG
, max_txg
) != 0 ||
8902 nvlist_add_uint32(policy
, ZPOOL_LOAD_REWIND_POLICY
, rewind
) != 0)
8903 fatal("internal error: %s", strerror(ENOMEM
));
8908 if (strpbrk(target
, "/@") != NULL
) {
8911 target_pool
= strdup(target
);
8912 *strpbrk(target_pool
, "/@") = '\0';
8914 target_is_spa
= B_FALSE
;
8915 targetlen
= strlen(target
);
8916 if (targetlen
&& target
[targetlen
- 1] == '/')
8917 target
[targetlen
- 1] = '\0';
8920 * See if an objset ID was supplied (-d <pool>/<objset ID>).
8921 * To disambiguate tank/100, consider the 100 as objsetID
8922 * if -N was given, otherwise 100 is an objsetID iff
8923 * tank/100 as a named dataset fails on lookup.
8925 objset_str
= strchr(target
, '/');
8926 if (objset_str
&& strlen(objset_str
) > 1 &&
8927 zdb_numeric(objset_str
+ 1)) {
8931 objset_id
= strtoull(objset_str
, &endptr
, 0);
8932 /* dataset 0 is the same as opening the pool */
8933 if (errno
== 0 && endptr
!= objset_str
&&
8936 dataset_lookup
= B_TRUE
;
8938 /* normal dataset name not an objset ID */
8939 if (endptr
== objset_str
) {
8942 } else if (objset_str
&& !zdb_numeric(objset_str
+ 1) &&
8944 printf("Supply a numeric objset ID with -N\n");
8948 target_pool
= target
;
8951 if (dump_opt
['e']) {
8952 importargs_t args
= { 0 };
8954 args
.paths
= nsearch
;
8955 args
.path
= searchdirs
;
8956 args
.can_be_active
= B_TRUE
;
8958 libpc_handle_t lpch
= {
8959 .lpc_lib_handle
= NULL
,
8960 .lpc_ops
= &libzpool_config_ops
,
8961 .lpc_printerr
= B_TRUE
8963 error
= zpool_find_config(&lpch
, target_pool
, &cfg
, &args
);
8967 if (nvlist_add_nvlist(cfg
,
8968 ZPOOL_LOAD_POLICY
, policy
) != 0) {
8969 fatal("can't open '%s': %s",
8970 target
, strerror(ENOMEM
));
8973 if (dump_opt
['C'] > 1) {
8974 (void) printf("\nConfiguration for import:\n");
8975 dump_nvlist(cfg
, 8);
8979 * Disable the activity check to allow examination of
8982 error
= spa_import(target_pool
, cfg
, NULL
,
8983 flags
| ZFS_IMPORT_SKIP_MMP
);
8987 if (searchdirs
!= NULL
) {
8988 umem_free(searchdirs
, nsearch
* sizeof (char *));
8993 * import_checkpointed_state makes the assumption that the
8994 * target pool that we pass it is already part of the spa
8995 * namespace. Because of that we need to make sure to call
8996 * it always after the -e option has been processed, which
8997 * imports the pool to the namespace if it's not in the
9000 char *checkpoint_pool
= NULL
;
9001 char *checkpoint_target
= NULL
;
9002 if (dump_opt
['k']) {
9003 checkpoint_pool
= import_checkpointed_state(target
, cfg
,
9004 &checkpoint_target
);
9006 if (checkpoint_target
!= NULL
)
9007 target
= checkpoint_target
;
9015 if (target_pool
!= target
)
9019 if (dump_opt
['k'] && (target_is_spa
|| dump_opt
['R'])) {
9020 ASSERT(checkpoint_pool
!= NULL
);
9021 ASSERT(checkpoint_target
== NULL
);
9023 error
= spa_open(checkpoint_pool
, &spa
, FTAG
);
9025 fatal("Tried to open pool \"%s\" but "
9026 "spa_open() failed with error %d\n",
9027 checkpoint_pool
, error
);
9030 } else if (target_is_spa
|| dump_opt
['R'] || objset_id
== 0) {
9031 zdb_set_skip_mmp(target
);
9032 error
= spa_open_rewind(target
, &spa
, FTAG
, policy
,
9036 * If we're missing the log device then
9037 * try opening the pool after clearing the
9040 mutex_enter(&spa_namespace_lock
);
9041 if ((spa
= spa_lookup(target
)) != NULL
&&
9042 spa
->spa_log_state
== SPA_LOG_MISSING
) {
9043 spa
->spa_log_state
= SPA_LOG_CLEAR
;
9046 mutex_exit(&spa_namespace_lock
);
9049 error
= spa_open_rewind(target
, &spa
,
9050 FTAG
, policy
, NULL
);
9053 } else if (strpbrk(target
, "#") != NULL
) {
9055 error
= dsl_pool_hold(target
, FTAG
, &dp
);
9057 fatal("can't dump '%s': %s", target
,
9060 error
= dump_bookmark(dp
, target
, B_TRUE
, verbose
> 1);
9061 dsl_pool_rele(dp
, FTAG
);
9063 fatal("can't dump '%s': %s", target
,
9068 target_pool
= strdup(target
);
9069 if (strpbrk(target
, "/@") != NULL
)
9070 *strpbrk(target_pool
, "/@") = '\0';
9072 zdb_set_skip_mmp(target
);
9074 * If -N was supplied, the user has indicated that
9075 * zdb -d <pool>/<objsetID> is in effect. Otherwise
9076 * we first assume that the dataset string is the
9077 * dataset name. If dmu_objset_hold fails with the
9078 * dataset string, and we have an objset_id, retry the
9079 * lookup with the objsetID.
9081 boolean_t retry
= B_TRUE
;
9083 if (dataset_lookup
== B_TRUE
) {
9085 * Use the supplied id to get the name
9088 error
= spa_open(target_pool
, &spa
, FTAG
);
9090 error
= name_from_objset_id(spa
,
9092 spa_close(spa
, FTAG
);
9098 if (objset_id
> 0 && retry
) {
9099 int err
= dmu_objset_hold(target
, FTAG
,
9102 dataset_lookup
= B_TRUE
;
9106 dmu_objset_rele(os
, FTAG
);
9109 error
= open_objset(target
, FTAG
, &os
);
9112 spa
= dmu_objset_spa(os
);
9116 nvlist_free(policy
);
9119 fatal("can't open '%s': %s", target
, strerror(error
));
9122 * Set the pool failure mode to panic in order to prevent the pool
9123 * from suspending. A suspended I/O will have no way to resume and
9124 * can prevent the zdb(8) command from terminating as expected.
9127 spa
->spa_failmode
= ZIO_FAILURE_MODE_PANIC
;
9131 if (dump_opt
['r']) {
9132 error
= zdb_copy_object(os
, object
, argv
[1]);
9133 } else if (!dump_opt
['R']) {
9134 flagbits
['d'] = ZOR_FLAG_DIRECTORY
;
9135 flagbits
['f'] = ZOR_FLAG_PLAIN_FILE
;
9136 flagbits
['m'] = ZOR_FLAG_SPACE_MAP
;
9137 flagbits
['z'] = ZOR_FLAG_ZAP
;
9138 flagbits
['A'] = ZOR_FLAG_ALL_TYPES
;
9140 if (argc
> 0 && dump_opt
['d']) {
9141 zopt_object_args
= argc
;
9142 zopt_object_ranges
= calloc(zopt_object_args
,
9143 sizeof (zopt_object_range_t
));
9144 for (unsigned i
= 0; i
< zopt_object_args
; i
++) {
9146 const char *msg
= NULL
;
9148 err
= parse_object_range(argv
[i
],
9149 &zopt_object_ranges
[i
], &msg
);
9151 fatal("Bad object or range: '%s': %s\n",
9152 argv
[i
], msg
?: "");
9154 } else if (argc
> 0 && dump_opt
['m']) {
9155 zopt_metaslab_args
= argc
;
9156 zopt_metaslab
= calloc(zopt_metaslab_args
,
9158 for (unsigned i
= 0; i
< zopt_metaslab_args
; i
++) {
9160 zopt_metaslab
[i
] = strtoull(argv
[i
], NULL
, 0);
9161 if (zopt_metaslab
[i
] == 0 && errno
!= 0)
9162 fatal("bad number %s: %s", argv
[i
],
9168 } else if (zopt_object_args
> 0 && !dump_opt
['m']) {
9169 dump_objset(spa
->spa_meta_objset
);
9174 flagbits
['b'] = ZDB_FLAG_PRINT_BLKPTR
;
9175 flagbits
['c'] = ZDB_FLAG_CHECKSUM
;
9176 flagbits
['d'] = ZDB_FLAG_DECOMPRESS
;
9177 flagbits
['e'] = ZDB_FLAG_BSWAP
;
9178 flagbits
['g'] = ZDB_FLAG_GBH
;
9179 flagbits
['i'] = ZDB_FLAG_INDIRECT
;
9180 flagbits
['r'] = ZDB_FLAG_RAW
;
9181 flagbits
['v'] = ZDB_FLAG_VERBOSE
;
9183 for (int i
= 0; i
< argc
; i
++)
9184 zdb_read_block(argv
[i
], spa
);
9187 if (dump_opt
['k']) {
9188 free(checkpoint_pool
);
9190 free(checkpoint_target
);
9194 close_objset(os
, FTAG
);
9196 spa_close(spa
, FTAG
);
9199 fuid_table_destroy();
9201 dump_debug_buffer();