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 http://www.opensolaris.org/os/licensing.
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 2015 Nexenta Systems, Inc. All rights reserved.
24 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
25 * Copyright (c) 2011, 2018 by Delphix. All rights reserved.
26 * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>
27 * Copyright (c) 2018 Datto Inc.
28 * Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
29 * Copyright (c) 2017, Intel Corporation.
30 * Copyright (c) 2018, loli10K <ezomori.nozomu@gmail.com>
43 #include <sys/efi_partition.h>
44 #include <sys/systeminfo.h>
46 #include <sys/zfs_ioctl.h>
47 #include <sys/vdev_disk.h>
51 #include "zfs_namecheck.h"
53 #include "libzfs_impl.h"
54 #include "zfs_comutil.h"
55 #include "zfeature_common.h"
57 static int read_efi_label(nvlist_t
*config
, diskaddr_t
*sb
);
58 static boolean_t
zpool_vdev_is_interior(const char *name
);
60 typedef struct prop_flags
{
61 int create
:1; /* Validate property on creation */
62 int import
:1; /* Validate property on import */
66 * ====================================================================
67 * zpool property functions
68 * ====================================================================
72 zpool_get_all_props(zpool_handle_t
*zhp
)
74 zfs_cmd_t zc
= {"\0"};
75 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
77 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
79 if (zcmd_alloc_dst_nvlist(hdl
, &zc
, 0) != 0)
82 while (ioctl(hdl
->libzfs_fd
, ZFS_IOC_POOL_GET_PROPS
, &zc
) != 0) {
83 if (errno
== ENOMEM
) {
84 if (zcmd_expand_dst_nvlist(hdl
, &zc
) != 0) {
85 zcmd_free_nvlists(&zc
);
89 zcmd_free_nvlists(&zc
);
94 if (zcmd_read_dst_nvlist(hdl
, &zc
, &zhp
->zpool_props
) != 0) {
95 zcmd_free_nvlists(&zc
);
99 zcmd_free_nvlists(&zc
);
105 zpool_props_refresh(zpool_handle_t
*zhp
)
109 old_props
= zhp
->zpool_props
;
111 if (zpool_get_all_props(zhp
) != 0)
114 nvlist_free(old_props
);
119 zpool_get_prop_string(zpool_handle_t
*zhp
, zpool_prop_t prop
,
125 zprop_source_t source
;
127 nvl
= zhp
->zpool_props
;
128 if (nvlist_lookup_nvlist(nvl
, zpool_prop_to_name(prop
), &nv
) == 0) {
129 verify(nvlist_lookup_uint64(nv
, ZPROP_SOURCE
, &ival
) == 0);
131 verify(nvlist_lookup_string(nv
, ZPROP_VALUE
, &value
) == 0);
133 source
= ZPROP_SRC_DEFAULT
;
134 if ((value
= (char *)zpool_prop_default_string(prop
)) == NULL
)
145 zpool_get_prop_int(zpool_handle_t
*zhp
, zpool_prop_t prop
, zprop_source_t
*src
)
149 zprop_source_t source
;
151 if (zhp
->zpool_props
== NULL
&& zpool_get_all_props(zhp
)) {
153 * zpool_get_all_props() has most likely failed because
154 * the pool is faulted, but if all we need is the top level
155 * vdev's guid then get it from the zhp config nvlist.
157 if ((prop
== ZPOOL_PROP_GUID
) &&
158 (nvlist_lookup_nvlist(zhp
->zpool_config
,
159 ZPOOL_CONFIG_VDEV_TREE
, &nv
) == 0) &&
160 (nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_GUID
, &value
)
164 return (zpool_prop_default_numeric(prop
));
167 nvl
= zhp
->zpool_props
;
168 if (nvlist_lookup_nvlist(nvl
, zpool_prop_to_name(prop
), &nv
) == 0) {
169 verify(nvlist_lookup_uint64(nv
, ZPROP_SOURCE
, &value
) == 0);
171 verify(nvlist_lookup_uint64(nv
, ZPROP_VALUE
, &value
) == 0);
173 source
= ZPROP_SRC_DEFAULT
;
174 value
= zpool_prop_default_numeric(prop
);
184 * Map VDEV STATE to printed strings.
187 zpool_state_to_name(vdev_state_t state
, vdev_aux_t aux
)
190 case VDEV_STATE_CLOSED
:
191 case VDEV_STATE_OFFLINE
:
192 return (gettext("OFFLINE"));
193 case VDEV_STATE_REMOVED
:
194 return (gettext("REMOVED"));
195 case VDEV_STATE_CANT_OPEN
:
196 if (aux
== VDEV_AUX_CORRUPT_DATA
|| aux
== VDEV_AUX_BAD_LOG
)
197 return (gettext("FAULTED"));
198 else if (aux
== VDEV_AUX_SPLIT_POOL
)
199 return (gettext("SPLIT"));
201 return (gettext("UNAVAIL"));
202 case VDEV_STATE_FAULTED
:
203 return (gettext("FAULTED"));
204 case VDEV_STATE_DEGRADED
:
205 return (gettext("DEGRADED"));
206 case VDEV_STATE_HEALTHY
:
207 return (gettext("ONLINE"));
213 return (gettext("UNKNOWN"));
217 * Map POOL STATE to printed strings.
220 zpool_pool_state_to_name(pool_state_t state
)
225 case POOL_STATE_ACTIVE
:
226 return (gettext("ACTIVE"));
227 case POOL_STATE_EXPORTED
:
228 return (gettext("EXPORTED"));
229 case POOL_STATE_DESTROYED
:
230 return (gettext("DESTROYED"));
231 case POOL_STATE_SPARE
:
232 return (gettext("SPARE"));
233 case POOL_STATE_L2CACHE
:
234 return (gettext("L2CACHE"));
235 case POOL_STATE_UNINITIALIZED
:
236 return (gettext("UNINITIALIZED"));
237 case POOL_STATE_UNAVAIL
:
238 return (gettext("UNAVAIL"));
239 case POOL_STATE_POTENTIALLY_ACTIVE
:
240 return (gettext("POTENTIALLY_ACTIVE"));
243 return (gettext("UNKNOWN"));
247 * Given a pool handle, return the pool health string ("ONLINE", "DEGRADED",
251 zpool_get_state_str(zpool_handle_t
*zhp
)
253 zpool_errata_t errata
;
254 zpool_status_t status
;
260 status
= zpool_get_status(zhp
, NULL
, &errata
);
262 if (zpool_get_state(zhp
) == POOL_STATE_UNAVAIL
) {
263 str
= gettext("FAULTED");
264 } else if (status
== ZPOOL_STATUS_IO_FAILURE_WAIT
||
265 status
== ZPOOL_STATUS_IO_FAILURE_MMP
) {
266 str
= gettext("SUSPENDED");
268 verify(nvlist_lookup_nvlist(zpool_get_config(zhp
, NULL
),
269 ZPOOL_CONFIG_VDEV_TREE
, &nvroot
) == 0);
270 verify(nvlist_lookup_uint64_array(nvroot
,
271 ZPOOL_CONFIG_VDEV_STATS
, (uint64_t **)&vs
, &vsc
)
273 str
= zpool_state_to_name(vs
->vs_state
, vs
->vs_aux
);
279 * Get a zpool property value for 'prop' and return the value in
280 * a pre-allocated buffer.
283 zpool_get_prop(zpool_handle_t
*zhp
, zpool_prop_t prop
, char *buf
,
284 size_t len
, zprop_source_t
*srctype
, boolean_t literal
)
288 zprop_source_t src
= ZPROP_SRC_NONE
;
290 if (zpool_get_state(zhp
) == POOL_STATE_UNAVAIL
) {
292 case ZPOOL_PROP_NAME
:
293 (void) strlcpy(buf
, zpool_get_name(zhp
), len
);
296 case ZPOOL_PROP_HEALTH
:
297 (void) strlcpy(buf
, zpool_get_state_str(zhp
), len
);
300 case ZPOOL_PROP_GUID
:
301 intval
= zpool_get_prop_int(zhp
, prop
, &src
);
302 (void) snprintf(buf
, len
, "%llu", (u_longlong_t
)intval
);
305 case ZPOOL_PROP_ALTROOT
:
306 case ZPOOL_PROP_CACHEFILE
:
307 case ZPOOL_PROP_COMMENT
:
308 if (zhp
->zpool_props
!= NULL
||
309 zpool_get_all_props(zhp
) == 0) {
311 zpool_get_prop_string(zhp
, prop
, &src
),
317 (void) strlcpy(buf
, "-", len
);
326 if (zhp
->zpool_props
== NULL
&& zpool_get_all_props(zhp
) &&
327 prop
!= ZPOOL_PROP_NAME
)
330 switch (zpool_prop_get_type(prop
)) {
331 case PROP_TYPE_STRING
:
332 (void) strlcpy(buf
, zpool_get_prop_string(zhp
, prop
, &src
),
336 case PROP_TYPE_NUMBER
:
337 intval
= zpool_get_prop_int(zhp
, prop
, &src
);
340 case ZPOOL_PROP_SIZE
:
341 case ZPOOL_PROP_ALLOCATED
:
342 case ZPOOL_PROP_FREE
:
343 case ZPOOL_PROP_FREEING
:
344 case ZPOOL_PROP_LEAKED
:
345 case ZPOOL_PROP_ASHIFT
:
347 (void) snprintf(buf
, len
, "%llu",
348 (u_longlong_t
)intval
);
350 (void) zfs_nicenum(intval
, buf
, len
);
353 case ZPOOL_PROP_EXPANDSZ
:
354 case ZPOOL_PROP_CHECKPOINT
:
356 (void) strlcpy(buf
, "-", len
);
357 } else if (literal
) {
358 (void) snprintf(buf
, len
, "%llu",
359 (u_longlong_t
)intval
);
361 (void) zfs_nicebytes(intval
, buf
, len
);
365 case ZPOOL_PROP_CAPACITY
:
367 (void) snprintf(buf
, len
, "%llu",
368 (u_longlong_t
)intval
);
370 (void) snprintf(buf
, len
, "%llu%%",
371 (u_longlong_t
)intval
);
375 case ZPOOL_PROP_FRAGMENTATION
:
376 if (intval
== UINT64_MAX
) {
377 (void) strlcpy(buf
, "-", len
);
378 } else if (literal
) {
379 (void) snprintf(buf
, len
, "%llu",
380 (u_longlong_t
)intval
);
382 (void) snprintf(buf
, len
, "%llu%%",
383 (u_longlong_t
)intval
);
387 case ZPOOL_PROP_DEDUPRATIO
:
389 (void) snprintf(buf
, len
, "%llu.%02llu",
390 (u_longlong_t
)(intval
/ 100),
391 (u_longlong_t
)(intval
% 100));
393 (void) snprintf(buf
, len
, "%llu.%02llux",
394 (u_longlong_t
)(intval
/ 100),
395 (u_longlong_t
)(intval
% 100));
398 case ZPOOL_PROP_HEALTH
:
399 (void) strlcpy(buf
, zpool_get_state_str(zhp
), len
);
401 case ZPOOL_PROP_VERSION
:
402 if (intval
>= SPA_VERSION_FEATURES
) {
403 (void) snprintf(buf
, len
, "-");
408 (void) snprintf(buf
, len
, "%llu", (u_longlong_t
)intval
);
412 case PROP_TYPE_INDEX
:
413 intval
= zpool_get_prop_int(zhp
, prop
, &src
);
414 if (zpool_prop_index_to_string(prop
, intval
, &strval
)
417 (void) strlcpy(buf
, strval
, len
);
431 * Check if the bootfs name has the same pool name as it is set to.
432 * Assuming bootfs is a valid dataset name.
435 bootfs_name_valid(const char *pool
, char *bootfs
)
437 int len
= strlen(pool
);
438 if (bootfs
[0] == '\0')
441 if (!zfs_name_valid(bootfs
, ZFS_TYPE_FILESYSTEM
|ZFS_TYPE_SNAPSHOT
))
444 if (strncmp(pool
, bootfs
, len
) == 0 &&
445 (bootfs
[len
] == '/' || bootfs
[len
] == '\0'))
452 zpool_is_bootable(zpool_handle_t
*zhp
)
454 char bootfs
[ZFS_MAX_DATASET_NAME_LEN
];
456 return (zpool_get_prop(zhp
, ZPOOL_PROP_BOOTFS
, bootfs
,
457 sizeof (bootfs
), NULL
, B_FALSE
) == 0 && strncmp(bootfs
, "-",
458 sizeof (bootfs
)) != 0);
463 * Given an nvlist of zpool properties to be set, validate that they are
464 * correct, and parse any numeric properties (index, boolean, etc) if they are
465 * specified as strings.
468 zpool_valid_proplist(libzfs_handle_t
*hdl
, const char *poolname
,
469 nvlist_t
*props
, uint64_t version
, prop_flags_t flags
, char *errbuf
)
477 struct stat64 statbuf
;
480 if (nvlist_alloc(&retprops
, NV_UNIQUE_NAME
, 0) != 0) {
481 (void) no_memory(hdl
);
486 while ((elem
= nvlist_next_nvpair(props
, elem
)) != NULL
) {
487 const char *propname
= nvpair_name(elem
);
489 prop
= zpool_name_to_prop(propname
);
490 if (prop
== ZPOOL_PROP_INVAL
&& zpool_prop_feature(propname
)) {
492 char *fname
= strchr(propname
, '@') + 1;
494 err
= zfeature_lookup_name(fname
, NULL
);
496 ASSERT3U(err
, ==, ENOENT
);
497 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
498 "invalid feature '%s'"), fname
);
499 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
503 if (nvpair_type(elem
) != DATA_TYPE_STRING
) {
504 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
505 "'%s' must be a string"), propname
);
506 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
510 (void) nvpair_value_string(elem
, &strval
);
511 if (strcmp(strval
, ZFS_FEATURE_ENABLED
) != 0 &&
512 strcmp(strval
, ZFS_FEATURE_DISABLED
) != 0) {
513 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
514 "property '%s' can only be set to "
515 "'enabled' or 'disabled'"), propname
);
516 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
521 strcmp(strval
, ZFS_FEATURE_DISABLED
) == 0) {
522 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
523 "property '%s' can only be set to "
524 "'disabled' at creation time"), propname
);
525 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
529 if (nvlist_add_uint64(retprops
, propname
, 0) != 0) {
530 (void) no_memory(hdl
);
537 * Make sure this property is valid and applies to this type.
539 if (prop
== ZPOOL_PROP_INVAL
) {
540 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
541 "invalid property '%s'"), propname
);
542 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
546 if (zpool_prop_readonly(prop
)) {
547 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "'%s' "
548 "is readonly"), propname
);
549 (void) zfs_error(hdl
, EZFS_PROPREADONLY
, errbuf
);
553 if (!flags
.create
&& zpool_prop_setonce(prop
)) {
554 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
555 "property '%s' can only be set at "
556 "creation time"), propname
);
557 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
561 if (zprop_parse_value(hdl
, elem
, prop
, ZFS_TYPE_POOL
, retprops
,
562 &strval
, &intval
, errbuf
) != 0)
566 * Perform additional checking for specific properties.
569 case ZPOOL_PROP_VERSION
:
570 if (intval
< version
||
571 !SPA_VERSION_IS_SUPPORTED(intval
)) {
572 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
573 "property '%s' number %d is invalid."),
575 (void) zfs_error(hdl
, EZFS_BADVERSION
, errbuf
);
580 case ZPOOL_PROP_ASHIFT
:
582 (intval
< ASHIFT_MIN
|| intval
> ASHIFT_MAX
)) {
583 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
584 "property '%s' number %d is invalid, only "
585 "values between %" PRId32
" and "
586 "%" PRId32
" are allowed."),
587 propname
, intval
, ASHIFT_MIN
, ASHIFT_MAX
);
588 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
593 case ZPOOL_PROP_BOOTFS
:
594 if (flags
.create
|| flags
.import
) {
595 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
596 "property '%s' cannot be set at creation "
597 "or import time"), propname
);
598 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
602 if (version
< SPA_VERSION_BOOTFS
) {
603 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
604 "pool must be upgraded to support "
605 "'%s' property"), propname
);
606 (void) zfs_error(hdl
, EZFS_BADVERSION
, errbuf
);
611 * bootfs property value has to be a dataset name and
612 * the dataset has to be in the same pool as it sets to.
614 if (!bootfs_name_valid(poolname
, strval
)) {
615 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "'%s' "
616 "is an invalid name"), strval
);
617 (void) zfs_error(hdl
, EZFS_INVALIDNAME
, errbuf
);
621 if ((zhp
= zpool_open_canfail(hdl
, poolname
)) == NULL
) {
622 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
623 "could not open pool '%s'"), poolname
);
624 (void) zfs_error(hdl
, EZFS_OPENFAILED
, errbuf
);
630 case ZPOOL_PROP_ALTROOT
:
631 if (!flags
.create
&& !flags
.import
) {
632 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
633 "property '%s' can only be set during pool "
634 "creation or import"), propname
);
635 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
639 if (strval
[0] != '/') {
640 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
641 "bad alternate root '%s'"), strval
);
642 (void) zfs_error(hdl
, EZFS_BADPATH
, errbuf
);
647 case ZPOOL_PROP_CACHEFILE
:
648 if (strval
[0] == '\0')
651 if (strcmp(strval
, "none") == 0)
654 if (strval
[0] != '/') {
655 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
656 "property '%s' must be empty, an "
657 "absolute path, or 'none'"), propname
);
658 (void) zfs_error(hdl
, EZFS_BADPATH
, errbuf
);
662 slash
= strrchr(strval
, '/');
664 if (slash
[1] == '\0' || strcmp(slash
, "/.") == 0 ||
665 strcmp(slash
, "/..") == 0) {
666 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
667 "'%s' is not a valid file"), strval
);
668 (void) zfs_error(hdl
, EZFS_BADPATH
, errbuf
);
674 if (strval
[0] != '\0' &&
675 (stat64(strval
, &statbuf
) != 0 ||
676 !S_ISDIR(statbuf
.st_mode
))) {
677 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
678 "'%s' is not a valid directory"),
680 (void) zfs_error(hdl
, EZFS_BADPATH
, errbuf
);
687 case ZPOOL_PROP_COMMENT
:
688 for (check
= strval
; *check
!= '\0'; check
++) {
689 if (!isprint(*check
)) {
691 dgettext(TEXT_DOMAIN
,
692 "comment may only have printable "
694 (void) zfs_error(hdl
, EZFS_BADPROP
,
699 if (strlen(strval
) > ZPROP_MAX_COMMENT
) {
700 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
701 "comment must not exceed %d characters"),
703 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
707 case ZPOOL_PROP_READONLY
:
709 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
710 "property '%s' can only be set at "
711 "import time"), propname
);
712 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
716 case ZPOOL_PROP_MULTIHOST
:
717 if (get_system_hostid() == 0) {
718 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
719 "requires a non-zero system hostid"));
720 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
724 case ZPOOL_PROP_DEDUPDITTO
:
725 if (intval
< ZIO_DEDUPDITTO_MIN
&& intval
!= 0) {
726 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
727 "property '%s' value %d is invalid; only "
728 "values of 0 or >= %" PRId32
" are allowed "
729 "for this property."),
730 propname
, intval
, ZIO_DEDUPDITTO_MIN
);
731 (void) zfs_error(hdl
, EZFS_BADPROP
, errbuf
);
737 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
738 "property '%s'(%d) not defined"), propname
, prop
);
745 nvlist_free(retprops
);
750 * Set zpool property : propname=propval.
753 zpool_set_prop(zpool_handle_t
*zhp
, const char *propname
, const char *propval
)
755 zfs_cmd_t zc
= {"\0"};
758 nvlist_t
*nvl
= NULL
;
761 prop_flags_t flags
= { 0 };
763 (void) snprintf(errbuf
, sizeof (errbuf
),
764 dgettext(TEXT_DOMAIN
, "cannot set property for '%s'"),
767 if (nvlist_alloc(&nvl
, NV_UNIQUE_NAME
, 0) != 0)
768 return (no_memory(zhp
->zpool_hdl
));
770 if (nvlist_add_string(nvl
, propname
, propval
) != 0) {
772 return (no_memory(zhp
->zpool_hdl
));
775 version
= zpool_get_prop_int(zhp
, ZPOOL_PROP_VERSION
, NULL
);
776 if ((realprops
= zpool_valid_proplist(zhp
->zpool_hdl
,
777 zhp
->zpool_name
, nvl
, version
, flags
, errbuf
)) == NULL
) {
786 * Execute the corresponding ioctl() to set this property.
788 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
790 if (zcmd_write_src_nvlist(zhp
->zpool_hdl
, &zc
, nvl
) != 0) {
795 ret
= zfs_ioctl(zhp
->zpool_hdl
, ZFS_IOC_POOL_SET_PROPS
, &zc
);
797 zcmd_free_nvlists(&zc
);
801 (void) zpool_standard_error(zhp
->zpool_hdl
, errno
, errbuf
);
803 (void) zpool_props_refresh(zhp
);
809 zpool_expand_proplist(zpool_handle_t
*zhp
, zprop_list_t
**plp
)
811 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
813 char buf
[ZFS_MAXPROPLEN
];
814 nvlist_t
*features
= NULL
;
817 boolean_t firstexpand
= (NULL
== *plp
);
820 if (zprop_expand_list(hdl
, plp
, ZFS_TYPE_POOL
) != 0)
824 while (*last
!= NULL
)
825 last
= &(*last
)->pl_next
;
828 features
= zpool_get_features(zhp
);
830 if ((*plp
)->pl_all
&& firstexpand
) {
831 for (i
= 0; i
< SPA_FEATURES
; i
++) {
832 zprop_list_t
*entry
= zfs_alloc(hdl
,
833 sizeof (zprop_list_t
));
834 entry
->pl_prop
= ZPROP_INVAL
;
835 entry
->pl_user_prop
= zfs_asprintf(hdl
, "feature@%s",
836 spa_feature_table
[i
].fi_uname
);
837 entry
->pl_width
= strlen(entry
->pl_user_prop
);
838 entry
->pl_all
= B_TRUE
;
841 last
= &entry
->pl_next
;
845 /* add any unsupported features */
846 for (nvp
= nvlist_next_nvpair(features
, NULL
);
847 nvp
!= NULL
; nvp
= nvlist_next_nvpair(features
, nvp
)) {
852 if (zfeature_is_supported(nvpair_name(nvp
)))
855 propname
= zfs_asprintf(hdl
, "unsupported@%s",
859 * Before adding the property to the list make sure that no
860 * other pool already added the same property.
864 while (entry
!= NULL
) {
865 if (entry
->pl_user_prop
!= NULL
&&
866 strcmp(propname
, entry
->pl_user_prop
) == 0) {
870 entry
= entry
->pl_next
;
877 entry
= zfs_alloc(hdl
, sizeof (zprop_list_t
));
878 entry
->pl_prop
= ZPROP_INVAL
;
879 entry
->pl_user_prop
= propname
;
880 entry
->pl_width
= strlen(entry
->pl_user_prop
);
881 entry
->pl_all
= B_TRUE
;
884 last
= &entry
->pl_next
;
887 for (entry
= *plp
; entry
!= NULL
; entry
= entry
->pl_next
) {
892 if (entry
->pl_prop
!= ZPROP_INVAL
&&
893 zpool_get_prop(zhp
, entry
->pl_prop
, buf
, sizeof (buf
),
894 NULL
, B_FALSE
) == 0) {
895 if (strlen(buf
) > entry
->pl_width
)
896 entry
->pl_width
= strlen(buf
);
904 * Get the state for the given feature on the given ZFS pool.
907 zpool_prop_get_feature(zpool_handle_t
*zhp
, const char *propname
, char *buf
,
911 boolean_t found
= B_FALSE
;
912 nvlist_t
*features
= zpool_get_features(zhp
);
914 const char *feature
= strchr(propname
, '@') + 1;
916 supported
= zpool_prop_feature(propname
);
917 ASSERT(supported
|| zpool_prop_unsupported(propname
));
920 * Convert from feature name to feature guid. This conversion is
921 * unnecessary for unsupported@... properties because they already
928 ret
= zfeature_lookup_name(feature
, &fid
);
930 (void) strlcpy(buf
, "-", len
);
933 feature
= spa_feature_table
[fid
].fi_guid
;
936 if (nvlist_lookup_uint64(features
, feature
, &refcount
) == 0)
941 (void) strlcpy(buf
, ZFS_FEATURE_DISABLED
, len
);
944 (void) strlcpy(buf
, ZFS_FEATURE_ENABLED
, len
);
946 (void) strlcpy(buf
, ZFS_FEATURE_ACTIVE
, len
);
951 (void) strcpy(buf
, ZFS_UNSUPPORTED_INACTIVE
);
953 (void) strcpy(buf
, ZFS_UNSUPPORTED_READONLY
);
956 (void) strlcpy(buf
, "-", len
);
965 * Validate the given pool name, optionally putting an extended error message in
969 zpool_name_valid(libzfs_handle_t
*hdl
, boolean_t isopen
, const char *pool
)
975 ret
= pool_namecheck(pool
, &why
, &what
);
978 * The rules for reserved pool names were extended at a later point.
979 * But we need to support users with existing pools that may now be
980 * invalid. So we only check for this expanded set of names during a
981 * create (or import), and only in userland.
983 if (ret
== 0 && !isopen
&&
984 (strncmp(pool
, "mirror", 6) == 0 ||
985 strncmp(pool
, "raidz", 5) == 0 ||
986 strncmp(pool
, "spare", 5) == 0 ||
987 strcmp(pool
, "log") == 0)) {
990 dgettext(TEXT_DOMAIN
, "name is reserved"));
998 case NAME_ERR_TOOLONG
:
1000 dgettext(TEXT_DOMAIN
, "name is too long"));
1003 case NAME_ERR_INVALCHAR
:
1005 dgettext(TEXT_DOMAIN
, "invalid character "
1006 "'%c' in pool name"), what
);
1009 case NAME_ERR_NOLETTER
:
1010 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1011 "name must begin with a letter"));
1014 case NAME_ERR_RESERVED
:
1015 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1016 "name is reserved"));
1019 case NAME_ERR_DISKLIKE
:
1020 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1021 "pool name is reserved"));
1024 case NAME_ERR_LEADING_SLASH
:
1025 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1026 "leading slash in name"));
1029 case NAME_ERR_EMPTY_COMPONENT
:
1030 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1031 "empty component in name"));
1034 case NAME_ERR_TRAILING_SLASH
:
1035 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1036 "trailing slash in name"));
1039 case NAME_ERR_MULTIPLE_DELIMITERS
:
1040 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1041 "multiple '@' and/or '#' delimiters in "
1045 case NAME_ERR_NO_AT
:
1046 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1047 "permission set is missing '@'"));
1051 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1052 "(%d) not defined"), why
);
1063 * Open a handle to the given pool, even if the pool is currently in the FAULTED
1067 zpool_open_canfail(libzfs_handle_t
*hdl
, const char *pool
)
1069 zpool_handle_t
*zhp
;
1073 * Make sure the pool name is valid.
1075 if (!zpool_name_valid(hdl
, B_TRUE
, pool
)) {
1076 (void) zfs_error_fmt(hdl
, EZFS_INVALIDNAME
,
1077 dgettext(TEXT_DOMAIN
, "cannot open '%s'"),
1082 if ((zhp
= zfs_alloc(hdl
, sizeof (zpool_handle_t
))) == NULL
)
1085 zhp
->zpool_hdl
= hdl
;
1086 (void) strlcpy(zhp
->zpool_name
, pool
, sizeof (zhp
->zpool_name
));
1088 if (zpool_refresh_stats(zhp
, &missing
) != 0) {
1094 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "no such pool"));
1095 (void) zfs_error_fmt(hdl
, EZFS_NOENT
,
1096 dgettext(TEXT_DOMAIN
, "cannot open '%s'"), pool
);
1105 * Like the above, but silent on error. Used when iterating over pools (because
1106 * the configuration cache may be out of date).
1109 zpool_open_silent(libzfs_handle_t
*hdl
, const char *pool
, zpool_handle_t
**ret
)
1111 zpool_handle_t
*zhp
;
1114 if ((zhp
= zfs_alloc(hdl
, sizeof (zpool_handle_t
))) == NULL
)
1117 zhp
->zpool_hdl
= hdl
;
1118 (void) strlcpy(zhp
->zpool_name
, pool
, sizeof (zhp
->zpool_name
));
1120 if (zpool_refresh_stats(zhp
, &missing
) != 0) {
1136 * Similar to zpool_open_canfail(), but refuses to open pools in the faulted
1140 zpool_open(libzfs_handle_t
*hdl
, const char *pool
)
1142 zpool_handle_t
*zhp
;
1144 if ((zhp
= zpool_open_canfail(hdl
, pool
)) == NULL
)
1147 if (zhp
->zpool_state
== POOL_STATE_UNAVAIL
) {
1148 (void) zfs_error_fmt(hdl
, EZFS_POOLUNAVAIL
,
1149 dgettext(TEXT_DOMAIN
, "cannot open '%s'"), zhp
->zpool_name
);
1158 * Close the handle. Simply frees the memory associated with the handle.
1161 zpool_close(zpool_handle_t
*zhp
)
1163 nvlist_free(zhp
->zpool_config
);
1164 nvlist_free(zhp
->zpool_old_config
);
1165 nvlist_free(zhp
->zpool_props
);
1170 * Return the name of the pool.
1173 zpool_get_name(zpool_handle_t
*zhp
)
1175 return (zhp
->zpool_name
);
1180 * Return the state of the pool (ACTIVE or UNAVAILABLE)
1183 zpool_get_state(zpool_handle_t
*zhp
)
1185 return (zhp
->zpool_state
);
1189 * Check if vdev list contains a special vdev
1192 zpool_has_special_vdev(nvlist_t
*nvroot
)
1197 if (nvlist_lookup_nvlist_array(nvroot
, ZPOOL_CONFIG_CHILDREN
, &child
,
1199 for (uint_t c
= 0; c
< children
; c
++) {
1202 if (nvlist_lookup_string(child
[c
],
1203 ZPOOL_CONFIG_ALLOCATION_BIAS
, &bias
) == 0 &&
1204 strcmp(bias
, VDEV_ALLOC_BIAS_SPECIAL
) == 0) {
1213 * Create the named pool, using the provided vdev list. It is assumed
1214 * that the consumer has already validated the contents of the nvlist, so we
1215 * don't have to worry about error semantics.
1218 zpool_create(libzfs_handle_t
*hdl
, const char *pool
, nvlist_t
*nvroot
,
1219 nvlist_t
*props
, nvlist_t
*fsprops
)
1221 zfs_cmd_t zc
= {"\0"};
1222 nvlist_t
*zc_fsprops
= NULL
;
1223 nvlist_t
*zc_props
= NULL
;
1224 nvlist_t
*hidden_args
= NULL
;
1225 uint8_t *wkeydata
= NULL
;
1230 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
1231 "cannot create '%s'"), pool
);
1233 if (!zpool_name_valid(hdl
, B_FALSE
, pool
))
1234 return (zfs_error(hdl
, EZFS_INVALIDNAME
, msg
));
1236 if (zcmd_write_conf_nvlist(hdl
, &zc
, nvroot
) != 0)
1240 prop_flags_t flags
= { .create
= B_TRUE
, .import
= B_FALSE
};
1242 if ((zc_props
= zpool_valid_proplist(hdl
, pool
, props
,
1243 SPA_VERSION_1
, flags
, msg
)) == NULL
) {
1252 zoned
= ((nvlist_lookup_string(fsprops
,
1253 zfs_prop_to_name(ZFS_PROP_ZONED
), &zonestr
) == 0) &&
1254 strcmp(zonestr
, "on") == 0);
1256 if ((zc_fsprops
= zfs_valid_proplist(hdl
, ZFS_TYPE_FILESYSTEM
,
1257 fsprops
, zoned
, NULL
, NULL
, B_TRUE
, msg
)) == NULL
) {
1261 if (nvlist_exists(zc_fsprops
,
1262 zfs_prop_to_name(ZFS_PROP_SPECIAL_SMALL_BLOCKS
)) &&
1263 !zpool_has_special_vdev(nvroot
)) {
1264 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1265 "%s property requires a special vdev"),
1266 zfs_prop_to_name(ZFS_PROP_SPECIAL_SMALL_BLOCKS
));
1267 (void) zfs_error(hdl
, EZFS_BADPROP
, msg
);
1272 (nvlist_alloc(&zc_props
, NV_UNIQUE_NAME
, 0) != 0)) {
1275 if (zfs_crypto_create(hdl
, NULL
, zc_fsprops
, props
, B_TRUE
,
1276 &wkeydata
, &wkeylen
) != 0) {
1277 zfs_error(hdl
, EZFS_CRYPTOFAILED
, msg
);
1280 if (nvlist_add_nvlist(zc_props
,
1281 ZPOOL_ROOTFS_PROPS
, zc_fsprops
) != 0) {
1284 if (wkeydata
!= NULL
) {
1285 if (nvlist_alloc(&hidden_args
, NV_UNIQUE_NAME
, 0) != 0)
1288 if (nvlist_add_uint8_array(hidden_args
, "wkeydata",
1289 wkeydata
, wkeylen
) != 0)
1292 if (nvlist_add_nvlist(zc_props
, ZPOOL_HIDDEN_ARGS
,
1298 if (zc_props
&& zcmd_write_src_nvlist(hdl
, &zc
, zc_props
) != 0)
1301 (void) strlcpy(zc
.zc_name
, pool
, sizeof (zc
.zc_name
));
1303 if ((ret
= zfs_ioctl(hdl
, ZFS_IOC_POOL_CREATE
, &zc
)) != 0) {
1305 zcmd_free_nvlists(&zc
);
1306 nvlist_free(zc_props
);
1307 nvlist_free(zc_fsprops
);
1308 nvlist_free(hidden_args
);
1309 if (wkeydata
!= NULL
)
1315 * This can happen if the user has specified the same
1316 * device multiple times. We can't reliably detect this
1317 * until we try to add it and see we already have a
1318 * label. This can also happen under if the device is
1319 * part of an active md or lvm device.
1321 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1322 "one or more vdevs refer to the same device, or "
1323 "one of\nthe devices is part of an active md or "
1325 return (zfs_error(hdl
, EZFS_BADDEV
, msg
));
1329 * This happens if the record size is smaller or larger
1330 * than the allowed size range, or not a power of 2.
1332 * NOTE: although zfs_valid_proplist is called earlier,
1333 * this case may have slipped through since the
1334 * pool does not exist yet and it is therefore
1335 * impossible to read properties e.g. max blocksize
1338 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1339 "record size invalid"));
1340 return (zfs_error(hdl
, EZFS_BADPROP
, msg
));
1344 * This occurs when one of the devices is below
1345 * SPA_MINDEVSIZE. Unfortunately, we can't detect which
1346 * device was the problem device since there's no
1347 * reliable way to determine device size from userland.
1352 zfs_nicebytes(SPA_MINDEVSIZE
, buf
,
1355 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1356 "one or more devices is less than the "
1357 "minimum size (%s)"), buf
);
1359 return (zfs_error(hdl
, EZFS_BADDEV
, msg
));
1362 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1363 "one or more devices is out of space"));
1364 return (zfs_error(hdl
, EZFS_BADDEV
, msg
));
1367 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1368 "cache device must be a disk or disk slice"));
1369 return (zfs_error(hdl
, EZFS_BADDEV
, msg
));
1372 return (zpool_standard_error(hdl
, errno
, msg
));
1377 zcmd_free_nvlists(&zc
);
1378 nvlist_free(zc_props
);
1379 nvlist_free(zc_fsprops
);
1380 nvlist_free(hidden_args
);
1381 if (wkeydata
!= NULL
)
1387 * Destroy the given pool. It is up to the caller to ensure that there are no
1388 * datasets left in the pool.
1391 zpool_destroy(zpool_handle_t
*zhp
, const char *log_str
)
1393 zfs_cmd_t zc
= {"\0"};
1394 zfs_handle_t
*zfp
= NULL
;
1395 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
1398 if (zhp
->zpool_state
== POOL_STATE_ACTIVE
&&
1399 (zfp
= zfs_open(hdl
, zhp
->zpool_name
, ZFS_TYPE_FILESYSTEM
)) == NULL
)
1402 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
1403 zc
.zc_history
= (uint64_t)(uintptr_t)log_str
;
1405 if (zfs_ioctl(hdl
, ZFS_IOC_POOL_DESTROY
, &zc
) != 0) {
1406 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
1407 "cannot destroy '%s'"), zhp
->zpool_name
);
1409 if (errno
== EROFS
) {
1410 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1411 "one or more devices is read only"));
1412 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
1414 (void) zpool_standard_error(hdl
, errno
, msg
);
1423 remove_mountpoint(zfp
);
1431 * Create a checkpoint in the given pool.
1434 zpool_checkpoint(zpool_handle_t
*zhp
)
1436 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
1440 error
= lzc_pool_checkpoint(zhp
->zpool_name
);
1442 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
1443 "cannot checkpoint '%s'"), zhp
->zpool_name
);
1444 (void) zpool_standard_error(hdl
, error
, msg
);
1452 * Discard the checkpoint from the given pool.
1455 zpool_discard_checkpoint(zpool_handle_t
*zhp
)
1457 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
1461 error
= lzc_pool_checkpoint_discard(zhp
->zpool_name
);
1463 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
1464 "cannot discard checkpoint in '%s'"), zhp
->zpool_name
);
1465 (void) zpool_standard_error(hdl
, error
, msg
);
1473 * Add the given vdevs to the pool. The caller must have already performed the
1474 * necessary verification to ensure that the vdev specification is well-formed.
1477 zpool_add(zpool_handle_t
*zhp
, nvlist_t
*nvroot
)
1479 zfs_cmd_t zc
= {"\0"};
1481 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
1483 nvlist_t
**spares
, **l2cache
;
1484 uint_t nspares
, nl2cache
;
1486 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
1487 "cannot add to '%s'"), zhp
->zpool_name
);
1489 if (zpool_get_prop_int(zhp
, ZPOOL_PROP_VERSION
, NULL
) <
1490 SPA_VERSION_SPARES
&&
1491 nvlist_lookup_nvlist_array(nvroot
, ZPOOL_CONFIG_SPARES
,
1492 &spares
, &nspares
) == 0) {
1493 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "pool must be "
1494 "upgraded to add hot spares"));
1495 return (zfs_error(hdl
, EZFS_BADVERSION
, msg
));
1498 if (zpool_get_prop_int(zhp
, ZPOOL_PROP_VERSION
, NULL
) <
1499 SPA_VERSION_L2CACHE
&&
1500 nvlist_lookup_nvlist_array(nvroot
, ZPOOL_CONFIG_L2CACHE
,
1501 &l2cache
, &nl2cache
) == 0) {
1502 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "pool must be "
1503 "upgraded to add cache devices"));
1504 return (zfs_error(hdl
, EZFS_BADVERSION
, msg
));
1507 if (zcmd_write_conf_nvlist(hdl
, &zc
, nvroot
) != 0)
1509 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
1511 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_ADD
, &zc
) != 0) {
1515 * This can happen if the user has specified the same
1516 * device multiple times. We can't reliably detect this
1517 * until we try to add it and see we already have a
1520 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1521 "one or more vdevs refer to the same device"));
1522 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
1526 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1527 "invalid config; a pool with removing/removed "
1528 "vdevs does not support adding raidz vdevs"));
1529 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
1534 * This occurrs when one of the devices is below
1535 * SPA_MINDEVSIZE. Unfortunately, we can't detect which
1536 * device was the problem device since there's no
1537 * reliable way to determine device size from userland.
1542 zfs_nicebytes(SPA_MINDEVSIZE
, buf
,
1545 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1546 "device is less than the minimum "
1549 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
1553 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1554 "pool must be upgraded to add these vdevs"));
1555 (void) zfs_error(hdl
, EZFS_BADVERSION
, msg
);
1559 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
1560 "cache device must be a disk or disk slice"));
1561 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
1565 (void) zpool_standard_error(hdl
, errno
, msg
);
1573 zcmd_free_nvlists(&zc
);
1579 * Exports the pool from the system. The caller must ensure that there are no
1580 * mounted datasets in the pool.
1583 zpool_export_common(zpool_handle_t
*zhp
, boolean_t force
, boolean_t hardforce
,
1584 const char *log_str
)
1586 zfs_cmd_t zc
= {"\0"};
1589 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
1590 "cannot export '%s'"), zhp
->zpool_name
);
1592 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
1593 zc
.zc_cookie
= force
;
1594 zc
.zc_guid
= hardforce
;
1595 zc
.zc_history
= (uint64_t)(uintptr_t)log_str
;
1597 if (zfs_ioctl(zhp
->zpool_hdl
, ZFS_IOC_POOL_EXPORT
, &zc
) != 0) {
1600 zfs_error_aux(zhp
->zpool_hdl
, dgettext(TEXT_DOMAIN
,
1601 "use '-f' to override the following errors:\n"
1602 "'%s' has an active shared spare which could be"
1603 " used by other pools once '%s' is exported."),
1604 zhp
->zpool_name
, zhp
->zpool_name
);
1605 return (zfs_error(zhp
->zpool_hdl
, EZFS_ACTIVE_SPARE
,
1608 return (zpool_standard_error_fmt(zhp
->zpool_hdl
, errno
,
1617 zpool_export(zpool_handle_t
*zhp
, boolean_t force
, const char *log_str
)
1619 return (zpool_export_common(zhp
, force
, B_FALSE
, log_str
));
1623 zpool_export_force(zpool_handle_t
*zhp
, const char *log_str
)
1625 return (zpool_export_common(zhp
, B_TRUE
, B_TRUE
, log_str
));
1629 zpool_rewind_exclaim(libzfs_handle_t
*hdl
, const char *name
, boolean_t dryrun
,
1632 nvlist_t
*nv
= NULL
;
1638 if (!hdl
->libzfs_printerr
|| config
== NULL
)
1641 if (nvlist_lookup_nvlist(config
, ZPOOL_CONFIG_LOAD_INFO
, &nv
) != 0 ||
1642 nvlist_lookup_nvlist(nv
, ZPOOL_CONFIG_REWIND_INFO
, &nv
) != 0) {
1646 if (nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_LOAD_TIME
, &rewindto
) != 0)
1648 (void) nvlist_lookup_int64(nv
, ZPOOL_CONFIG_REWIND_TIME
, &loss
);
1650 if (localtime_r((time_t *)&rewindto
, &t
) != NULL
&&
1651 strftime(timestr
, 128, "%c", &t
) != 0) {
1653 (void) printf(dgettext(TEXT_DOMAIN
,
1654 "Would be able to return %s "
1655 "to its state as of %s.\n"),
1658 (void) printf(dgettext(TEXT_DOMAIN
,
1659 "Pool %s returned to its state as of %s.\n"),
1663 (void) printf(dgettext(TEXT_DOMAIN
,
1664 "%s approximately %lld "),
1665 dryrun
? "Would discard" : "Discarded",
1666 ((longlong_t
)loss
+ 30) / 60);
1667 (void) printf(dgettext(TEXT_DOMAIN
,
1668 "minutes of transactions.\n"));
1669 } else if (loss
> 0) {
1670 (void) printf(dgettext(TEXT_DOMAIN
,
1671 "%s approximately %lld "),
1672 dryrun
? "Would discard" : "Discarded",
1674 (void) printf(dgettext(TEXT_DOMAIN
,
1675 "seconds of transactions.\n"));
1681 zpool_explain_recover(libzfs_handle_t
*hdl
, const char *name
, int reason
,
1684 nvlist_t
*nv
= NULL
;
1686 uint64_t edata
= UINT64_MAX
;
1691 if (!hdl
->libzfs_printerr
)
1695 (void) printf(dgettext(TEXT_DOMAIN
, "action: "));
1697 (void) printf(dgettext(TEXT_DOMAIN
, "\t"));
1699 /* All attempted rewinds failed if ZPOOL_CONFIG_LOAD_TIME missing */
1700 if (nvlist_lookup_nvlist(config
, ZPOOL_CONFIG_LOAD_INFO
, &nv
) != 0 ||
1701 nvlist_lookup_nvlist(nv
, ZPOOL_CONFIG_REWIND_INFO
, &nv
) != 0 ||
1702 nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_LOAD_TIME
, &rewindto
) != 0)
1705 (void) nvlist_lookup_int64(nv
, ZPOOL_CONFIG_REWIND_TIME
, &loss
);
1706 (void) nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_LOAD_DATA_ERRORS
,
1709 (void) printf(dgettext(TEXT_DOMAIN
,
1710 "Recovery is possible, but will result in some data loss.\n"));
1712 if (localtime_r((time_t *)&rewindto
, &t
) != NULL
&&
1713 strftime(timestr
, 128, "%c", &t
) != 0) {
1714 (void) printf(dgettext(TEXT_DOMAIN
,
1715 "\tReturning the pool to its state as of %s\n"
1716 "\tshould correct the problem. "),
1719 (void) printf(dgettext(TEXT_DOMAIN
,
1720 "\tReverting the pool to an earlier state "
1721 "should correct the problem.\n\t"));
1725 (void) printf(dgettext(TEXT_DOMAIN
,
1726 "Approximately %lld minutes of data\n"
1727 "\tmust be discarded, irreversibly. "),
1728 ((longlong_t
)loss
+ 30) / 60);
1729 } else if (loss
> 0) {
1730 (void) printf(dgettext(TEXT_DOMAIN
,
1731 "Approximately %lld seconds of data\n"
1732 "\tmust be discarded, irreversibly. "),
1735 if (edata
!= 0 && edata
!= UINT64_MAX
) {
1737 (void) printf(dgettext(TEXT_DOMAIN
,
1738 "After rewind, at least\n"
1739 "\tone persistent user-data error will remain. "));
1741 (void) printf(dgettext(TEXT_DOMAIN
,
1742 "After rewind, several\n"
1743 "\tpersistent user-data errors will remain. "));
1746 (void) printf(dgettext(TEXT_DOMAIN
,
1747 "Recovery can be attempted\n\tby executing 'zpool %s -F %s'. "),
1748 reason
>= 0 ? "clear" : "import", name
);
1750 (void) printf(dgettext(TEXT_DOMAIN
,
1751 "A scrub of the pool\n"
1752 "\tis strongly recommended after recovery.\n"));
1756 (void) printf(dgettext(TEXT_DOMAIN
,
1757 "Destroy and re-create the pool from\n\ta backup source.\n"));
1761 * zpool_import() is a contracted interface. Should be kept the same
1764 * Applications should use zpool_import_props() to import a pool with
1765 * new properties value to be set.
1768 zpool_import(libzfs_handle_t
*hdl
, nvlist_t
*config
, const char *newname
,
1771 nvlist_t
*props
= NULL
;
1774 if (altroot
!= NULL
) {
1775 if (nvlist_alloc(&props
, NV_UNIQUE_NAME
, 0) != 0) {
1776 return (zfs_error_fmt(hdl
, EZFS_NOMEM
,
1777 dgettext(TEXT_DOMAIN
, "cannot import '%s'"),
1781 if (nvlist_add_string(props
,
1782 zpool_prop_to_name(ZPOOL_PROP_ALTROOT
), altroot
) != 0 ||
1783 nvlist_add_string(props
,
1784 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE
), "none") != 0) {
1786 return (zfs_error_fmt(hdl
, EZFS_NOMEM
,
1787 dgettext(TEXT_DOMAIN
, "cannot import '%s'"),
1792 ret
= zpool_import_props(hdl
, config
, newname
, props
,
1799 print_vdev_tree(libzfs_handle_t
*hdl
, const char *name
, nvlist_t
*nv
,
1805 uint64_t is_log
= 0;
1807 (void) nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_IS_LOG
,
1811 (void) printf("\t%*s%s%s\n", indent
, "", name
,
1812 is_log
? " [log]" : "");
1814 if (nvlist_lookup_nvlist_array(nv
, ZPOOL_CONFIG_CHILDREN
,
1815 &child
, &children
) != 0)
1818 for (c
= 0; c
< children
; c
++) {
1819 vname
= zpool_vdev_name(hdl
, NULL
, child
[c
], VDEV_NAME_TYPE_ID
);
1820 print_vdev_tree(hdl
, vname
, child
[c
], indent
+ 2);
1826 zpool_print_unsup_feat(nvlist_t
*config
)
1828 nvlist_t
*nvinfo
, *unsup_feat
;
1831 verify(nvlist_lookup_nvlist(config
, ZPOOL_CONFIG_LOAD_INFO
, &nvinfo
) ==
1833 verify(nvlist_lookup_nvlist(nvinfo
, ZPOOL_CONFIG_UNSUP_FEAT
,
1836 for (nvp
= nvlist_next_nvpair(unsup_feat
, NULL
); nvp
!= NULL
;
1837 nvp
= nvlist_next_nvpair(unsup_feat
, nvp
)) {
1840 verify(nvpair_type(nvp
) == DATA_TYPE_STRING
);
1841 verify(nvpair_value_string(nvp
, &desc
) == 0);
1843 if (strlen(desc
) > 0)
1844 (void) printf("\t%s (%s)\n", nvpair_name(nvp
), desc
);
1846 (void) printf("\t%s\n", nvpair_name(nvp
));
1851 * Import the given pool using the known configuration and a list of
1852 * properties to be set. The configuration should have come from
1853 * zpool_find_import(). The 'newname' parameters control whether the pool
1854 * is imported with a different name.
1857 zpool_import_props(libzfs_handle_t
*hdl
, nvlist_t
*config
, const char *newname
,
1858 nvlist_t
*props
, int flags
)
1860 zfs_cmd_t zc
= {"\0"};
1861 zpool_load_policy_t policy
;
1862 nvlist_t
*nv
= NULL
;
1863 nvlist_t
*nvinfo
= NULL
;
1864 nvlist_t
*missing
= NULL
;
1871 verify(nvlist_lookup_string(config
, ZPOOL_CONFIG_POOL_NAME
,
1874 (void) snprintf(errbuf
, sizeof (errbuf
), dgettext(TEXT_DOMAIN
,
1875 "cannot import pool '%s'"), origname
);
1877 if (newname
!= NULL
) {
1878 if (!zpool_name_valid(hdl
, B_FALSE
, newname
))
1879 return (zfs_error_fmt(hdl
, EZFS_INVALIDNAME
,
1880 dgettext(TEXT_DOMAIN
, "cannot import '%s'"),
1882 thename
= (char *)newname
;
1887 if (props
!= NULL
) {
1889 prop_flags_t flags
= { .create
= B_FALSE
, .import
= B_TRUE
};
1891 verify(nvlist_lookup_uint64(config
, ZPOOL_CONFIG_VERSION
,
1894 if ((props
= zpool_valid_proplist(hdl
, origname
,
1895 props
, version
, flags
, errbuf
)) == NULL
)
1897 if (zcmd_write_src_nvlist(hdl
, &zc
, props
) != 0) {
1904 (void) strlcpy(zc
.zc_name
, thename
, sizeof (zc
.zc_name
));
1906 verify(nvlist_lookup_uint64(config
, ZPOOL_CONFIG_POOL_GUID
,
1909 if (zcmd_write_conf_nvlist(hdl
, &zc
, config
) != 0) {
1910 zcmd_free_nvlists(&zc
);
1913 if (zcmd_alloc_dst_nvlist(hdl
, &zc
, zc
.zc_nvlist_conf_size
* 2) != 0) {
1914 zcmd_free_nvlists(&zc
);
1918 zc
.zc_cookie
= flags
;
1919 while ((ret
= zfs_ioctl(hdl
, ZFS_IOC_POOL_IMPORT
, &zc
)) != 0 &&
1921 if (zcmd_expand_dst_nvlist(hdl
, &zc
) != 0) {
1922 zcmd_free_nvlists(&zc
);
1929 (void) zcmd_read_dst_nvlist(hdl
, &zc
, &nv
);
1931 zcmd_free_nvlists(&zc
);
1933 zpool_get_load_policy(config
, &policy
);
1940 * Dry-run failed, but we print out what success
1941 * looks like if we found a best txg
1943 if (policy
.zlp_rewind
& ZPOOL_TRY_REWIND
) {
1944 zpool_rewind_exclaim(hdl
, newname
? origname
: thename
,
1950 if (newname
== NULL
)
1951 (void) snprintf(desc
, sizeof (desc
),
1952 dgettext(TEXT_DOMAIN
, "cannot import '%s'"),
1955 (void) snprintf(desc
, sizeof (desc
),
1956 dgettext(TEXT_DOMAIN
, "cannot import '%s' as '%s'"),
1961 if (nv
!= NULL
&& nvlist_lookup_nvlist(nv
,
1962 ZPOOL_CONFIG_LOAD_INFO
, &nvinfo
) == 0 &&
1963 nvlist_exists(nvinfo
, ZPOOL_CONFIG_UNSUP_FEAT
)) {
1964 (void) printf(dgettext(TEXT_DOMAIN
, "This "
1965 "pool uses the following feature(s) not "
1966 "supported by this system:\n"));
1967 zpool_print_unsup_feat(nv
);
1968 if (nvlist_exists(nvinfo
,
1969 ZPOOL_CONFIG_CAN_RDONLY
)) {
1970 (void) printf(dgettext(TEXT_DOMAIN
,
1971 "All unsupported features are only "
1972 "required for writing to the pool."
1973 "\nThe pool can be imported using "
1974 "'-o readonly=on'.\n"));
1978 * Unsupported version.
1980 (void) zfs_error(hdl
, EZFS_BADVERSION
, desc
);
1984 if (nv
!= NULL
&& nvlist_lookup_nvlist(nv
,
1985 ZPOOL_CONFIG_LOAD_INFO
, &nvinfo
) == 0) {
1986 char *hostname
= "<unknown>";
1987 uint64_t hostid
= 0;
1988 mmp_state_t mmp_state
;
1990 mmp_state
= fnvlist_lookup_uint64(nvinfo
,
1991 ZPOOL_CONFIG_MMP_STATE
);
1993 if (nvlist_exists(nvinfo
,
1994 ZPOOL_CONFIG_MMP_HOSTNAME
))
1995 hostname
= fnvlist_lookup_string(nvinfo
,
1996 ZPOOL_CONFIG_MMP_HOSTNAME
);
1998 if (nvlist_exists(nvinfo
,
1999 ZPOOL_CONFIG_MMP_HOSTID
))
2000 hostid
= fnvlist_lookup_uint64(nvinfo
,
2001 ZPOOL_CONFIG_MMP_HOSTID
);
2003 if (mmp_state
== MMP_STATE_ACTIVE
) {
2004 (void) snprintf(aux
, sizeof (aux
),
2005 dgettext(TEXT_DOMAIN
, "pool is imp"
2006 "orted on host '%s' (hostid=%lx).\n"
2007 "Export the pool on the other "
2008 "system, then run 'zpool import'."),
2009 hostname
, (unsigned long) hostid
);
2010 } else if (mmp_state
== MMP_STATE_NO_HOSTID
) {
2011 (void) snprintf(aux
, sizeof (aux
),
2012 dgettext(TEXT_DOMAIN
, "pool has "
2013 "the multihost property on and "
2014 "the\nsystem's hostid is not set. "
2015 "Set a unique system hostid with "
2016 "the zgenhostid(8) command.\n"));
2019 (void) zfs_error_aux(hdl
, aux
);
2021 (void) zfs_error(hdl
, EZFS_ACTIVE_POOL
, desc
);
2025 (void) zfs_error(hdl
, EZFS_INVALCONFIG
, desc
);
2029 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2030 "one or more devices is read only"));
2031 (void) zfs_error(hdl
, EZFS_BADDEV
, desc
);
2035 if (nv
&& nvlist_lookup_nvlist(nv
,
2036 ZPOOL_CONFIG_LOAD_INFO
, &nvinfo
) == 0 &&
2037 nvlist_lookup_nvlist(nvinfo
,
2038 ZPOOL_CONFIG_MISSING_DEVICES
, &missing
) == 0) {
2039 (void) printf(dgettext(TEXT_DOMAIN
,
2040 "The devices below are missing or "
2041 "corrupted, use '-m' to import the pool "
2043 print_vdev_tree(hdl
, NULL
, missing
, 2);
2044 (void) printf("\n");
2046 (void) zpool_standard_error(hdl
, error
, desc
);
2050 (void) zpool_standard_error(hdl
, error
, desc
);
2054 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2055 "one or more devices are already in use\n"));
2056 (void) zfs_error(hdl
, EZFS_BADDEV
, desc
);
2059 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2060 "new name of at least one dataset is longer than "
2061 "the maximum allowable length"));
2062 (void) zfs_error(hdl
, EZFS_NAMETOOLONG
, desc
);
2065 (void) zpool_standard_error(hdl
, error
, desc
);
2066 zpool_explain_recover(hdl
,
2067 newname
? origname
: thename
, -error
, nv
);
2074 zpool_handle_t
*zhp
;
2077 * This should never fail, but play it safe anyway.
2079 if (zpool_open_silent(hdl
, thename
, &zhp
) != 0)
2081 else if (zhp
!= NULL
)
2083 if (policy
.zlp_rewind
&
2084 (ZPOOL_DO_REWIND
| ZPOOL_TRY_REWIND
)) {
2085 zpool_rewind_exclaim(hdl
, newname
? origname
: thename
,
2086 ((policy
.zlp_rewind
& ZPOOL_TRY_REWIND
) != 0), nv
);
2096 xlate_init_err(int err
)
2100 return (EZFS_NODEVICE
);
2103 return (EZFS_BADDEV
);
2105 return (EZFS_INITIALIZING
);
2107 return (EZFS_NO_INITIALIZE
);
2113 * Begin, suspend, or cancel the initialization (initializing of all free
2114 * blocks) for the given vdevs in the given pool.
2117 zpool_initialize(zpool_handle_t
*zhp
, pool_initialize_func_t cmd_type
,
2121 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2125 /* translate vdev names to guids */
2126 nvlist_t
*vdev_guids
= fnvlist_alloc();
2127 nvlist_t
*guids_to_paths
= fnvlist_alloc();
2128 boolean_t spare
, cache
;
2132 for (elem
= nvlist_next_nvpair(vds
, NULL
); elem
!= NULL
;
2133 elem
= nvlist_next_nvpair(vds
, elem
)) {
2134 char *vd_path
= nvpair_name(elem
);
2135 tgt
= zpool_find_vdev(zhp
, vd_path
, &spare
, &cache
, NULL
);
2137 if ((tgt
== NULL
) || cache
|| spare
) {
2138 (void) snprintf(msg
, sizeof (msg
),
2139 dgettext(TEXT_DOMAIN
, "cannot initialize '%s'"),
2141 int err
= (tgt
== NULL
) ? EZFS_NODEVICE
:
2142 (spare
? EZFS_ISSPARE
: EZFS_ISL2CACHE
);
2143 fnvlist_free(vdev_guids
);
2144 fnvlist_free(guids_to_paths
);
2145 return (zfs_error(hdl
, err
, msg
));
2148 uint64_t guid
= fnvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
);
2149 fnvlist_add_uint64(vdev_guids
, vd_path
, guid
);
2151 (void) snprintf(msg
, sizeof (msg
), "%llu", (u_longlong_t
)guid
);
2152 fnvlist_add_string(guids_to_paths
, msg
, vd_path
);
2155 int err
= lzc_initialize(zhp
->zpool_name
, cmd_type
, vdev_guids
,
2157 fnvlist_free(vdev_guids
);
2160 fnvlist_free(guids_to_paths
);
2164 nvlist_t
*vd_errlist
= NULL
;
2165 if (errlist
!= NULL
) {
2166 vd_errlist
= fnvlist_lookup_nvlist(errlist
,
2167 ZPOOL_INITIALIZE_VDEVS
);
2170 (void) snprintf(msg
, sizeof (msg
),
2171 dgettext(TEXT_DOMAIN
, "operation failed"));
2173 for (elem
= nvlist_next_nvpair(vd_errlist
, NULL
); elem
!= NULL
;
2174 elem
= nvlist_next_nvpair(vd_errlist
, elem
)) {
2175 int64_t vd_error
= xlate_init_err(fnvpair_value_int64(elem
));
2176 char *path
= fnvlist_lookup_string(guids_to_paths
,
2178 (void) zfs_error_fmt(hdl
, vd_error
, "cannot initialize '%s'",
2182 fnvlist_free(guids_to_paths
);
2183 if (vd_errlist
!= NULL
)
2186 return (zpool_standard_error(hdl
, err
, msg
));
2193 zpool_scan(zpool_handle_t
*zhp
, pool_scan_func_t func
, pool_scrub_cmd_t cmd
)
2195 zfs_cmd_t zc
= {"\0"};
2198 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2200 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2201 zc
.zc_cookie
= func
;
2204 if (zfs_ioctl(hdl
, ZFS_IOC_POOL_SCAN
, &zc
) == 0)
2209 /* ECANCELED on a scrub means we resumed a paused scrub */
2210 if (err
== ECANCELED
&& func
== POOL_SCAN_SCRUB
&&
2211 cmd
== POOL_SCRUB_NORMAL
)
2214 if (err
== ENOENT
&& func
!= POOL_SCAN_NONE
&& cmd
== POOL_SCRUB_NORMAL
)
2217 if (func
== POOL_SCAN_SCRUB
) {
2218 if (cmd
== POOL_SCRUB_PAUSE
) {
2219 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
2220 "cannot pause scrubbing %s"), zc
.zc_name
);
2222 assert(cmd
== POOL_SCRUB_NORMAL
);
2223 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
2224 "cannot scrub %s"), zc
.zc_name
);
2226 } else if (func
== POOL_SCAN_NONE
) {
2227 (void) snprintf(msg
, sizeof (msg
),
2228 dgettext(TEXT_DOMAIN
, "cannot cancel scrubbing %s"),
2231 assert(!"unexpected result");
2236 pool_scan_stat_t
*ps
= NULL
;
2239 verify(nvlist_lookup_nvlist(zhp
->zpool_config
,
2240 ZPOOL_CONFIG_VDEV_TREE
, &nvroot
) == 0);
2241 (void) nvlist_lookup_uint64_array(nvroot
,
2242 ZPOOL_CONFIG_SCAN_STATS
, (uint64_t **)&ps
, &psc
);
2243 if (ps
&& ps
->pss_func
== POOL_SCAN_SCRUB
) {
2244 if (cmd
== POOL_SCRUB_PAUSE
)
2245 return (zfs_error(hdl
, EZFS_SCRUB_PAUSED
, msg
));
2247 return (zfs_error(hdl
, EZFS_SCRUBBING
, msg
));
2249 return (zfs_error(hdl
, EZFS_RESILVERING
, msg
));
2251 } else if (err
== ENOENT
) {
2252 return (zfs_error(hdl
, EZFS_NO_SCRUB
, msg
));
2254 return (zpool_standard_error(hdl
, err
, msg
));
2259 * Find a vdev that matches the search criteria specified. We use the
2260 * the nvpair name to determine how we should look for the device.
2261 * 'avail_spare' is set to TRUE if the provided guid refers to an AVAIL
2262 * spare; but FALSE if its an INUSE spare.
2265 vdev_to_nvlist_iter(nvlist_t
*nv
, nvlist_t
*search
, boolean_t
*avail_spare
,
2266 boolean_t
*l2cache
, boolean_t
*log
)
2273 nvpair_t
*pair
= nvlist_next_nvpair(search
, NULL
);
2275 /* Nothing to look for */
2276 if (search
== NULL
|| pair
== NULL
)
2279 /* Obtain the key we will use to search */
2280 srchkey
= nvpair_name(pair
);
2282 switch (nvpair_type(pair
)) {
2283 case DATA_TYPE_UINT64
:
2284 if (strcmp(srchkey
, ZPOOL_CONFIG_GUID
) == 0) {
2285 uint64_t srchval
, theguid
;
2287 verify(nvpair_value_uint64(pair
, &srchval
) == 0);
2288 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_GUID
,
2290 if (theguid
== srchval
)
2295 case DATA_TYPE_STRING
: {
2296 char *srchval
, *val
;
2298 verify(nvpair_value_string(pair
, &srchval
) == 0);
2299 if (nvlist_lookup_string(nv
, srchkey
, &val
) != 0)
2303 * Search for the requested value. Special cases:
2305 * - ZPOOL_CONFIG_PATH for whole disk entries. These end in
2306 * "-part1", or "p1". The suffix is hidden from the user,
2307 * but included in the string, so this matches around it.
2308 * - ZPOOL_CONFIG_PATH for short names zfs_strcmp_shortname()
2309 * is used to check all possible expanded paths.
2310 * - looking for a top-level vdev name (i.e. ZPOOL_CONFIG_TYPE).
2312 * Otherwise, all other searches are simple string compares.
2314 if (strcmp(srchkey
, ZPOOL_CONFIG_PATH
) == 0) {
2315 uint64_t wholedisk
= 0;
2317 (void) nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_WHOLE_DISK
,
2319 if (zfs_strcmp_pathname(srchval
, val
, wholedisk
) == 0)
2322 } else if (strcmp(srchkey
, ZPOOL_CONFIG_TYPE
) == 0 && val
) {
2323 char *type
, *idx
, *end
, *p
;
2324 uint64_t id
, vdev_id
;
2327 * Determine our vdev type, keeping in mind
2328 * that the srchval is composed of a type and
2329 * vdev id pair (i.e. mirror-4).
2331 if ((type
= strdup(srchval
)) == NULL
)
2334 if ((p
= strrchr(type
, '-')) == NULL
) {
2342 * If the types don't match then keep looking.
2344 if (strncmp(val
, type
, strlen(val
)) != 0) {
2349 verify(zpool_vdev_is_interior(type
));
2350 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_ID
,
2354 vdev_id
= strtoull(idx
, &end
, 10);
2361 * Now verify that we have the correct vdev id.
2370 if (strcmp(srchval
, val
) == 0)
2379 if (nvlist_lookup_nvlist_array(nv
, ZPOOL_CONFIG_CHILDREN
,
2380 &child
, &children
) != 0)
2383 for (c
= 0; c
< children
; c
++) {
2384 if ((ret
= vdev_to_nvlist_iter(child
[c
], search
,
2385 avail_spare
, l2cache
, NULL
)) != NULL
) {
2387 * The 'is_log' value is only set for the toplevel
2388 * vdev, not the leaf vdevs. So we always lookup the
2389 * log device from the root of the vdev tree (where
2390 * 'log' is non-NULL).
2393 nvlist_lookup_uint64(child
[c
],
2394 ZPOOL_CONFIG_IS_LOG
, &is_log
) == 0 &&
2402 if (nvlist_lookup_nvlist_array(nv
, ZPOOL_CONFIG_SPARES
,
2403 &child
, &children
) == 0) {
2404 for (c
= 0; c
< children
; c
++) {
2405 if ((ret
= vdev_to_nvlist_iter(child
[c
], search
,
2406 avail_spare
, l2cache
, NULL
)) != NULL
) {
2407 *avail_spare
= B_TRUE
;
2413 if (nvlist_lookup_nvlist_array(nv
, ZPOOL_CONFIG_L2CACHE
,
2414 &child
, &children
) == 0) {
2415 for (c
= 0; c
< children
; c
++) {
2416 if ((ret
= vdev_to_nvlist_iter(child
[c
], search
,
2417 avail_spare
, l2cache
, NULL
)) != NULL
) {
2428 * Given a physical path or guid, find the associated vdev.
2431 zpool_find_vdev_by_physpath(zpool_handle_t
*zhp
, const char *ppath
,
2432 boolean_t
*avail_spare
, boolean_t
*l2cache
, boolean_t
*log
)
2434 nvlist_t
*search
, *nvroot
, *ret
;
2438 verify(nvlist_alloc(&search
, NV_UNIQUE_NAME
, KM_SLEEP
) == 0);
2440 guid
= strtoull(ppath
, &end
, 0);
2441 if (guid
!= 0 && *end
== '\0') {
2442 verify(nvlist_add_uint64(search
, ZPOOL_CONFIG_GUID
, guid
) == 0);
2444 verify(nvlist_add_string(search
, ZPOOL_CONFIG_PHYS_PATH
,
2448 verify(nvlist_lookup_nvlist(zhp
->zpool_config
, ZPOOL_CONFIG_VDEV_TREE
,
2451 *avail_spare
= B_FALSE
;
2455 ret
= vdev_to_nvlist_iter(nvroot
, search
, avail_spare
, l2cache
, log
);
2456 nvlist_free(search
);
2462 * Determine if we have an "interior" top-level vdev (i.e mirror/raidz).
2465 zpool_vdev_is_interior(const char *name
)
2467 if (strncmp(name
, VDEV_TYPE_RAIDZ
, strlen(VDEV_TYPE_RAIDZ
)) == 0 ||
2468 strncmp(name
, VDEV_TYPE_SPARE
, strlen(VDEV_TYPE_SPARE
)) == 0 ||
2470 VDEV_TYPE_REPLACING
, strlen(VDEV_TYPE_REPLACING
)) == 0 ||
2471 strncmp(name
, VDEV_TYPE_MIRROR
, strlen(VDEV_TYPE_MIRROR
)) == 0)
2477 zpool_find_vdev(zpool_handle_t
*zhp
, const char *path
, boolean_t
*avail_spare
,
2478 boolean_t
*l2cache
, boolean_t
*log
)
2481 nvlist_t
*nvroot
, *search
, *ret
;
2484 verify(nvlist_alloc(&search
, NV_UNIQUE_NAME
, KM_SLEEP
) == 0);
2486 guid
= strtoull(path
, &end
, 0);
2487 if (guid
!= 0 && *end
== '\0') {
2488 verify(nvlist_add_uint64(search
, ZPOOL_CONFIG_GUID
, guid
) == 0);
2489 } else if (zpool_vdev_is_interior(path
)) {
2490 verify(nvlist_add_string(search
, ZPOOL_CONFIG_TYPE
, path
) == 0);
2492 verify(nvlist_add_string(search
, ZPOOL_CONFIG_PATH
, path
) == 0);
2495 verify(nvlist_lookup_nvlist(zhp
->zpool_config
, ZPOOL_CONFIG_VDEV_TREE
,
2498 *avail_spare
= B_FALSE
;
2502 ret
= vdev_to_nvlist_iter(nvroot
, search
, avail_spare
, l2cache
, log
);
2503 nvlist_free(search
);
2509 vdev_is_online(nvlist_t
*nv
)
2513 if (nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_OFFLINE
, &ival
) == 0 ||
2514 nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_FAULTED
, &ival
) == 0 ||
2515 nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_REMOVED
, &ival
) == 0)
2522 * Helper function for zpool_get_physpaths().
2525 vdev_get_one_physpath(nvlist_t
*config
, char *physpath
, size_t physpath_size
,
2526 size_t *bytes_written
)
2528 size_t bytes_left
, pos
, rsz
;
2532 if (nvlist_lookup_string(config
, ZPOOL_CONFIG_PHYS_PATH
,
2534 return (EZFS_NODEVICE
);
2536 pos
= *bytes_written
;
2537 bytes_left
= physpath_size
- pos
;
2538 format
= (pos
== 0) ? "%s" : " %s";
2540 rsz
= snprintf(physpath
+ pos
, bytes_left
, format
, tmppath
);
2541 *bytes_written
+= rsz
;
2543 if (rsz
>= bytes_left
) {
2544 /* if physpath was not copied properly, clear it */
2545 if (bytes_left
!= 0) {
2548 return (EZFS_NOSPC
);
2554 vdev_get_physpaths(nvlist_t
*nv
, char *physpath
, size_t phypath_size
,
2555 size_t *rsz
, boolean_t is_spare
)
2560 if (nvlist_lookup_string(nv
, ZPOOL_CONFIG_TYPE
, &type
) != 0)
2561 return (EZFS_INVALCONFIG
);
2563 if (strcmp(type
, VDEV_TYPE_DISK
) == 0) {
2565 * An active spare device has ZPOOL_CONFIG_IS_SPARE set.
2566 * For a spare vdev, we only want to boot from the active
2571 (void) nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_IS_SPARE
,
2574 return (EZFS_INVALCONFIG
);
2577 if (vdev_is_online(nv
)) {
2578 if ((ret
= vdev_get_one_physpath(nv
, physpath
,
2579 phypath_size
, rsz
)) != 0)
2582 } else if (strcmp(type
, VDEV_TYPE_MIRROR
) == 0 ||
2583 strcmp(type
, VDEV_TYPE_RAIDZ
) == 0 ||
2584 strcmp(type
, VDEV_TYPE_REPLACING
) == 0 ||
2585 (is_spare
= (strcmp(type
, VDEV_TYPE_SPARE
) == 0))) {
2590 if (nvlist_lookup_nvlist_array(nv
,
2591 ZPOOL_CONFIG_CHILDREN
, &child
, &count
) != 0)
2592 return (EZFS_INVALCONFIG
);
2594 for (i
= 0; i
< count
; i
++) {
2595 ret
= vdev_get_physpaths(child
[i
], physpath
,
2596 phypath_size
, rsz
, is_spare
);
2597 if (ret
== EZFS_NOSPC
)
2602 return (EZFS_POOL_INVALARG
);
2606 * Get phys_path for a root pool config.
2607 * Return 0 on success; non-zero on failure.
2610 zpool_get_config_physpath(nvlist_t
*config
, char *physpath
, size_t phypath_size
)
2613 nvlist_t
*vdev_root
;
2620 if (nvlist_lookup_nvlist(config
, ZPOOL_CONFIG_VDEV_TREE
,
2622 return (EZFS_INVALCONFIG
);
2624 if (nvlist_lookup_string(vdev_root
, ZPOOL_CONFIG_TYPE
, &type
) != 0 ||
2625 nvlist_lookup_nvlist_array(vdev_root
, ZPOOL_CONFIG_CHILDREN
,
2626 &child
, &count
) != 0)
2627 return (EZFS_INVALCONFIG
);
2630 * root pool can only have a single top-level vdev.
2632 if (strcmp(type
, VDEV_TYPE_ROOT
) != 0 || count
!= 1)
2633 return (EZFS_POOL_INVALARG
);
2635 (void) vdev_get_physpaths(child
[0], physpath
, phypath_size
, &rsz
,
2638 /* No online devices */
2640 return (EZFS_NODEVICE
);
2646 * Get phys_path for a root pool
2647 * Return 0 on success; non-zero on failure.
2650 zpool_get_physpath(zpool_handle_t
*zhp
, char *physpath
, size_t phypath_size
)
2652 return (zpool_get_config_physpath(zhp
->zpool_config
, physpath
,
2657 * If the device has being dynamically expanded then we need to relabel
2658 * the disk to use the new unallocated space.
2661 zpool_relabel_disk(libzfs_handle_t
*hdl
, const char *path
, const char *msg
)
2665 if ((fd
= open(path
, O_RDWR
|O_DIRECT
)) < 0) {
2666 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "cannot "
2667 "relabel '%s': unable to open device: %d"), path
, errno
);
2668 return (zfs_error(hdl
, EZFS_OPENFAILED
, msg
));
2672 * It's possible that we might encounter an error if the device
2673 * does not have any unallocated space left. If so, we simply
2674 * ignore that error and continue on.
2676 * Also, we don't call efi_rescan() - that would just return EBUSY.
2677 * The module will do it for us in vdev_disk_open().
2679 error
= efi_use_whole_disk(fd
);
2681 /* Flush the buffers to disk and invalidate the page cache. */
2683 (void) ioctl(fd
, BLKFLSBUF
);
2686 if (error
&& error
!= VT_ENOSPC
) {
2687 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "cannot "
2688 "relabel '%s': unable to read disk capacity"), path
);
2689 return (zfs_error(hdl
, EZFS_NOCAP
, msg
));
2696 * Convert a vdev path to a GUID. Returns GUID or 0 on error.
2698 * If is_spare, is_l2cache, or is_log is non-NULL, then store within it
2699 * if the VDEV is a spare, l2cache, or log device. If they're NULL then
2703 zpool_vdev_path_to_guid_impl(zpool_handle_t
*zhp
, const char *path
,
2704 boolean_t
*is_spare
, boolean_t
*is_l2cache
, boolean_t
*is_log
)
2707 boolean_t spare
= B_FALSE
, l2cache
= B_FALSE
, log
= B_FALSE
;
2710 if ((tgt
= zpool_find_vdev(zhp
, path
, &spare
, &l2cache
,
2714 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &guid
) == 0);
2715 if (is_spare
!= NULL
)
2717 if (is_l2cache
!= NULL
)
2718 *is_l2cache
= l2cache
;
2725 /* Convert a vdev path to a GUID. Returns GUID or 0 on error. */
2727 zpool_vdev_path_to_guid(zpool_handle_t
*zhp
, const char *path
)
2729 return (zpool_vdev_path_to_guid_impl(zhp
, path
, NULL
, NULL
, NULL
));
2733 * Bring the specified vdev online. The 'flags' parameter is a set of the
2734 * ZFS_ONLINE_* flags.
2737 zpool_vdev_online(zpool_handle_t
*zhp
, const char *path
, int flags
,
2738 vdev_state_t
*newstate
)
2740 zfs_cmd_t zc
= {"\0"};
2744 boolean_t avail_spare
, l2cache
, islog
;
2745 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2748 if (flags
& ZFS_ONLINE_EXPAND
) {
2749 (void) snprintf(msg
, sizeof (msg
),
2750 dgettext(TEXT_DOMAIN
, "cannot expand %s"), path
);
2752 (void) snprintf(msg
, sizeof (msg
),
2753 dgettext(TEXT_DOMAIN
, "cannot online %s"), path
);
2756 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2757 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
, &l2cache
,
2759 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2761 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &zc
.zc_guid
) == 0);
2764 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
2766 if ((flags
& ZFS_ONLINE_EXPAND
||
2767 zpool_get_prop_int(zhp
, ZPOOL_PROP_AUTOEXPAND
, NULL
)) &&
2768 nvlist_lookup_string(tgt
, ZPOOL_CONFIG_PATH
, &pathname
) == 0) {
2769 uint64_t wholedisk
= 0;
2771 (void) nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_WHOLE_DISK
,
2775 * XXX - L2ARC 1.0 devices can't support expansion.
2778 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
2779 "cannot expand cache devices"));
2780 return (zfs_error(hdl
, EZFS_VDEVNOTSUP
, msg
));
2784 const char *fullpath
= path
;
2785 char buf
[MAXPATHLEN
];
2787 if (path
[0] != '/') {
2788 error
= zfs_resolve_shortname(path
, buf
,
2791 return (zfs_error(hdl
, EZFS_NODEVICE
,
2797 error
= zpool_relabel_disk(hdl
, fullpath
, msg
);
2803 zc
.zc_cookie
= VDEV_STATE_ONLINE
;
2806 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_SET_STATE
, &zc
) != 0) {
2807 if (errno
== EINVAL
) {
2808 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "was split "
2809 "from this pool into a new one. Use '%s' "
2810 "instead"), "zpool detach");
2811 return (zfs_error(hdl
, EZFS_POSTSPLIT_ONLINE
, msg
));
2813 return (zpool_standard_error(hdl
, errno
, msg
));
2816 *newstate
= zc
.zc_cookie
;
2821 * Take the specified vdev offline
2824 zpool_vdev_offline(zpool_handle_t
*zhp
, const char *path
, boolean_t istmp
)
2826 zfs_cmd_t zc
= {"\0"};
2829 boolean_t avail_spare
, l2cache
;
2830 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2832 (void) snprintf(msg
, sizeof (msg
),
2833 dgettext(TEXT_DOMAIN
, "cannot offline %s"), path
);
2835 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2836 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
, &l2cache
,
2838 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2840 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &zc
.zc_guid
) == 0);
2843 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
2845 zc
.zc_cookie
= VDEV_STATE_OFFLINE
;
2846 zc
.zc_obj
= istmp
? ZFS_OFFLINE_TEMPORARY
: 0;
2848 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_SET_STATE
, &zc
) == 0)
2855 * There are no other replicas of this device.
2857 return (zfs_error(hdl
, EZFS_NOREPLICAS
, msg
));
2861 * The log device has unplayed logs
2863 return (zfs_error(hdl
, EZFS_UNPLAYED_LOGS
, msg
));
2866 return (zpool_standard_error(hdl
, errno
, msg
));
2871 * Mark the given vdev faulted.
2874 zpool_vdev_fault(zpool_handle_t
*zhp
, uint64_t guid
, vdev_aux_t aux
)
2876 zfs_cmd_t zc
= {"\0"};
2878 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2880 (void) snprintf(msg
, sizeof (msg
),
2881 dgettext(TEXT_DOMAIN
, "cannot fault %llu"), (u_longlong_t
)guid
);
2883 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2885 zc
.zc_cookie
= VDEV_STATE_FAULTED
;
2888 if (ioctl(hdl
->libzfs_fd
, ZFS_IOC_VDEV_SET_STATE
, &zc
) == 0)
2895 * There are no other replicas of this device.
2897 return (zfs_error(hdl
, EZFS_NOREPLICAS
, msg
));
2900 return (zpool_standard_error(hdl
, errno
, msg
));
2906 * Mark the given vdev degraded.
2909 zpool_vdev_degrade(zpool_handle_t
*zhp
, uint64_t guid
, vdev_aux_t aux
)
2911 zfs_cmd_t zc
= {"\0"};
2913 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2915 (void) snprintf(msg
, sizeof (msg
),
2916 dgettext(TEXT_DOMAIN
, "cannot degrade %llu"), (u_longlong_t
)guid
);
2918 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2920 zc
.zc_cookie
= VDEV_STATE_DEGRADED
;
2923 if (ioctl(hdl
->libzfs_fd
, ZFS_IOC_VDEV_SET_STATE
, &zc
) == 0)
2926 return (zpool_standard_error(hdl
, errno
, msg
));
2930 * Returns TRUE if the given nvlist is a vdev that was originally swapped in as
2934 is_replacing_spare(nvlist_t
*search
, nvlist_t
*tgt
, int which
)
2940 if (nvlist_lookup_nvlist_array(search
, ZPOOL_CONFIG_CHILDREN
, &child
,
2942 verify(nvlist_lookup_string(search
, ZPOOL_CONFIG_TYPE
,
2945 if (strcmp(type
, VDEV_TYPE_SPARE
) == 0 &&
2946 children
== 2 && child
[which
] == tgt
)
2949 for (c
= 0; c
< children
; c
++)
2950 if (is_replacing_spare(child
[c
], tgt
, which
))
2958 * Attach new_disk (fully described by nvroot) to old_disk.
2959 * If 'replacing' is specified, the new disk will replace the old one.
2962 zpool_vdev_attach(zpool_handle_t
*zhp
,
2963 const char *old_disk
, const char *new_disk
, nvlist_t
*nvroot
, int replacing
)
2965 zfs_cmd_t zc
= {"\0"};
2969 boolean_t avail_spare
, l2cache
, islog
;
2974 nvlist_t
*config_root
;
2975 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
2976 boolean_t rootpool
= zpool_is_bootable(zhp
);
2979 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
2980 "cannot replace %s with %s"), old_disk
, new_disk
);
2982 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
2983 "cannot attach %s to %s"), new_disk
, old_disk
);
2985 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
2986 if ((tgt
= zpool_find_vdev(zhp
, old_disk
, &avail_spare
, &l2cache
,
2988 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
2991 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
2994 return (zfs_error(hdl
, EZFS_ISL2CACHE
, msg
));
2996 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &zc
.zc_guid
) == 0);
2997 zc
.zc_cookie
= replacing
;
2999 if (nvlist_lookup_nvlist_array(nvroot
, ZPOOL_CONFIG_CHILDREN
,
3000 &child
, &children
) != 0 || children
!= 1) {
3001 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3002 "new device must be a single disk"));
3003 return (zfs_error(hdl
, EZFS_INVALCONFIG
, msg
));
3006 verify(nvlist_lookup_nvlist(zpool_get_config(zhp
, NULL
),
3007 ZPOOL_CONFIG_VDEV_TREE
, &config_root
) == 0);
3009 if ((newname
= zpool_vdev_name(NULL
, NULL
, child
[0], 0)) == NULL
)
3013 * If the target is a hot spare that has been swapped in, we can only
3014 * replace it with another hot spare.
3017 nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_IS_SPARE
, &val
) == 0 &&
3018 (zpool_find_vdev(zhp
, newname
, &avail_spare
, &l2cache
,
3019 NULL
) == NULL
|| !avail_spare
) &&
3020 is_replacing_spare(config_root
, tgt
, 1)) {
3021 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3022 "can only be replaced by another hot spare"));
3024 return (zfs_error(hdl
, EZFS_BADTARGET
, msg
));
3029 if (zcmd_write_conf_nvlist(hdl
, &zc
, nvroot
) != 0)
3032 ret
= zfs_ioctl(hdl
, ZFS_IOC_VDEV_ATTACH
, &zc
);
3034 zcmd_free_nvlists(&zc
);
3039 * XXX need a better way to prevent user from
3040 * booting up a half-baked vdev.
3042 (void) fprintf(stderr
, dgettext(TEXT_DOMAIN
, "Make "
3043 "sure to wait until resilver is done "
3044 "before rebooting.\n"));
3052 * Can't attach to or replace this type of vdev.
3055 uint64_t version
= zpool_get_prop_int(zhp
,
3056 ZPOOL_PROP_VERSION
, NULL
);
3059 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3060 "cannot replace a log with a spare"));
3061 else if (version
>= SPA_VERSION_MULTI_REPLACE
)
3062 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3063 "already in replacing/spare config; wait "
3064 "for completion or use 'zpool detach'"));
3066 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3067 "cannot replace a replacing device"));
3069 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3070 "can only attach to mirrors and top-level "
3073 (void) zfs_error(hdl
, EZFS_BADTARGET
, msg
);
3078 * The new device must be a single disk.
3080 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3081 "new device must be a single disk"));
3082 (void) zfs_error(hdl
, EZFS_INVALCONFIG
, msg
);
3086 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "%s is busy, "
3087 "or device removal is in progress"),
3089 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
3094 * The new device is too small.
3096 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3097 "device is too small"));
3098 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
3103 * The new device has a different optimal sector size.
3105 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3106 "new device has a different optimal sector size; use the "
3107 "option '-o ashift=N' to override the optimal size"));
3108 (void) zfs_error(hdl
, EZFS_BADDEV
, msg
);
3113 * The resulting top-level vdev spec won't fit in the label.
3115 (void) zfs_error(hdl
, EZFS_DEVOVERFLOW
, msg
);
3119 (void) zpool_standard_error(hdl
, errno
, msg
);
3126 * Detach the specified device.
3129 zpool_vdev_detach(zpool_handle_t
*zhp
, const char *path
)
3131 zfs_cmd_t zc
= {"\0"};
3134 boolean_t avail_spare
, l2cache
;
3135 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
3137 (void) snprintf(msg
, sizeof (msg
),
3138 dgettext(TEXT_DOMAIN
, "cannot detach %s"), path
);
3140 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3141 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
, &l2cache
,
3143 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
3146 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
3149 return (zfs_error(hdl
, EZFS_ISL2CACHE
, msg
));
3151 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
, &zc
.zc_guid
) == 0);
3153 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_DETACH
, &zc
) == 0)
3160 * Can't detach from this type of vdev.
3162 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "only "
3163 "applicable to mirror and replacing vdevs"));
3164 (void) zfs_error(hdl
, EZFS_BADTARGET
, msg
);
3169 * There are no other replicas of this device.
3171 (void) zfs_error(hdl
, EZFS_NOREPLICAS
, msg
);
3175 (void) zpool_standard_error(hdl
, errno
, msg
);
3182 * Find a mirror vdev in the source nvlist.
3184 * The mchild array contains a list of disks in one of the top-level mirrors
3185 * of the source pool. The schild array contains a list of disks that the
3186 * user specified on the command line. We loop over the mchild array to
3187 * see if any entry in the schild array matches.
3189 * If a disk in the mchild array is found in the schild array, we return
3190 * the index of that entry. Otherwise we return -1.
3193 find_vdev_entry(zpool_handle_t
*zhp
, nvlist_t
**mchild
, uint_t mchildren
,
3194 nvlist_t
**schild
, uint_t schildren
)
3198 for (mc
= 0; mc
< mchildren
; mc
++) {
3200 char *mpath
= zpool_vdev_name(zhp
->zpool_hdl
, zhp
,
3203 for (sc
= 0; sc
< schildren
; sc
++) {
3204 char *spath
= zpool_vdev_name(zhp
->zpool_hdl
, zhp
,
3206 boolean_t result
= (strcmp(mpath
, spath
) == 0);
3222 * Split a mirror pool. If newroot points to null, then a new nvlist
3223 * is generated and it is the responsibility of the caller to free it.
3226 zpool_vdev_split(zpool_handle_t
*zhp
, char *newname
, nvlist_t
**newroot
,
3227 nvlist_t
*props
, splitflags_t flags
)
3229 zfs_cmd_t zc
= {"\0"};
3231 nvlist_t
*tree
, *config
, **child
, **newchild
, *newconfig
= NULL
;
3232 nvlist_t
**varray
= NULL
, *zc_props
= NULL
;
3233 uint_t c
, children
, newchildren
, lastlog
= 0, vcount
, found
= 0;
3234 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
3235 uint64_t vers
, readonly
= B_FALSE
;
3236 boolean_t freelist
= B_FALSE
, memory_err
= B_TRUE
;
3239 (void) snprintf(msg
, sizeof (msg
),
3240 dgettext(TEXT_DOMAIN
, "Unable to split %s"), zhp
->zpool_name
);
3242 if (!zpool_name_valid(hdl
, B_FALSE
, newname
))
3243 return (zfs_error(hdl
, EZFS_INVALIDNAME
, msg
));
3245 if ((config
= zpool_get_config(zhp
, NULL
)) == NULL
) {
3246 (void) fprintf(stderr
, gettext("Internal error: unable to "
3247 "retrieve pool configuration\n"));
3251 verify(nvlist_lookup_nvlist(config
, ZPOOL_CONFIG_VDEV_TREE
, &tree
)
3253 verify(nvlist_lookup_uint64(config
, ZPOOL_CONFIG_VERSION
, &vers
) == 0);
3256 prop_flags_t flags
= { .create
= B_FALSE
, .import
= B_TRUE
};
3257 if ((zc_props
= zpool_valid_proplist(hdl
, zhp
->zpool_name
,
3258 props
, vers
, flags
, msg
)) == NULL
)
3260 (void) nvlist_lookup_uint64(zc_props
,
3261 zpool_prop_to_name(ZPOOL_PROP_READONLY
), &readonly
);
3263 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3264 "property %s can only be set at import time"),
3265 zpool_prop_to_name(ZPOOL_PROP_READONLY
));
3270 if (nvlist_lookup_nvlist_array(tree
, ZPOOL_CONFIG_CHILDREN
, &child
,
3272 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3273 "Source pool is missing vdev tree"));
3274 nvlist_free(zc_props
);
3278 varray
= zfs_alloc(hdl
, children
* sizeof (nvlist_t
*));
3281 if (*newroot
== NULL
||
3282 nvlist_lookup_nvlist_array(*newroot
, ZPOOL_CONFIG_CHILDREN
,
3283 &newchild
, &newchildren
) != 0)
3286 for (c
= 0; c
< children
; c
++) {
3287 uint64_t is_log
= B_FALSE
, is_hole
= B_FALSE
;
3289 nvlist_t
**mchild
, *vdev
;
3294 * Unlike cache & spares, slogs are stored in the
3295 * ZPOOL_CONFIG_CHILDREN array. We filter them out here.
3297 (void) nvlist_lookup_uint64(child
[c
], ZPOOL_CONFIG_IS_LOG
,
3299 (void) nvlist_lookup_uint64(child
[c
], ZPOOL_CONFIG_IS_HOLE
,
3301 if (is_log
|| is_hole
) {
3303 * Create a hole vdev and put it in the config.
3305 if (nvlist_alloc(&vdev
, NV_UNIQUE_NAME
, 0) != 0)
3307 if (nvlist_add_string(vdev
, ZPOOL_CONFIG_TYPE
,
3308 VDEV_TYPE_HOLE
) != 0)
3310 if (nvlist_add_uint64(vdev
, ZPOOL_CONFIG_IS_HOLE
,
3315 varray
[vcount
++] = vdev
;
3319 verify(nvlist_lookup_string(child
[c
], ZPOOL_CONFIG_TYPE
, &type
)
3321 if (strcmp(type
, VDEV_TYPE_MIRROR
) != 0) {
3322 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3323 "Source pool must be composed only of mirrors\n"));
3324 retval
= zfs_error(hdl
, EZFS_INVALCONFIG
, msg
);
3328 verify(nvlist_lookup_nvlist_array(child
[c
],
3329 ZPOOL_CONFIG_CHILDREN
, &mchild
, &mchildren
) == 0);
3331 /* find or add an entry for this top-level vdev */
3332 if (newchildren
> 0 &&
3333 (entry
= find_vdev_entry(zhp
, mchild
, mchildren
,
3334 newchild
, newchildren
)) >= 0) {
3335 /* We found a disk that the user specified. */
3336 vdev
= mchild
[entry
];
3339 /* User didn't specify a disk for this vdev. */
3340 vdev
= mchild
[mchildren
- 1];
3343 if (nvlist_dup(vdev
, &varray
[vcount
++], 0) != 0)
3347 /* did we find every disk the user specified? */
3348 if (found
!= newchildren
) {
3349 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "Device list must "
3350 "include at most one disk from each mirror"));
3351 retval
= zfs_error(hdl
, EZFS_INVALCONFIG
, msg
);
3355 /* Prepare the nvlist for populating. */
3356 if (*newroot
== NULL
) {
3357 if (nvlist_alloc(newroot
, NV_UNIQUE_NAME
, 0) != 0)
3360 if (nvlist_add_string(*newroot
, ZPOOL_CONFIG_TYPE
,
3361 VDEV_TYPE_ROOT
) != 0)
3364 verify(nvlist_remove_all(*newroot
, ZPOOL_CONFIG_CHILDREN
) == 0);
3367 /* Add all the children we found */
3368 if (nvlist_add_nvlist_array(*newroot
, ZPOOL_CONFIG_CHILDREN
, varray
,
3369 lastlog
== 0 ? vcount
: lastlog
) != 0)
3373 * If we're just doing a dry run, exit now with success.
3376 memory_err
= B_FALSE
;
3381 /* now build up the config list & call the ioctl */
3382 if (nvlist_alloc(&newconfig
, NV_UNIQUE_NAME
, 0) != 0)
3385 if (nvlist_add_nvlist(newconfig
,
3386 ZPOOL_CONFIG_VDEV_TREE
, *newroot
) != 0 ||
3387 nvlist_add_string(newconfig
,
3388 ZPOOL_CONFIG_POOL_NAME
, newname
) != 0 ||
3389 nvlist_add_uint64(newconfig
, ZPOOL_CONFIG_VERSION
, vers
) != 0)
3393 * The new pool is automatically part of the namespace unless we
3394 * explicitly export it.
3397 zc
.zc_cookie
= ZPOOL_EXPORT_AFTER_SPLIT
;
3398 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3399 (void) strlcpy(zc
.zc_string
, newname
, sizeof (zc
.zc_string
));
3400 if (zcmd_write_conf_nvlist(hdl
, &zc
, newconfig
) != 0)
3402 if (zc_props
!= NULL
&& zcmd_write_src_nvlist(hdl
, &zc
, zc_props
) != 0)
3405 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_SPLIT
, &zc
) != 0) {
3406 retval
= zpool_standard_error(hdl
, errno
, msg
);
3411 memory_err
= B_FALSE
;
3414 if (varray
!= NULL
) {
3417 for (v
= 0; v
< vcount
; v
++)
3418 nvlist_free(varray
[v
]);
3421 zcmd_free_nvlists(&zc
);
3422 nvlist_free(zc_props
);
3423 nvlist_free(newconfig
);
3425 nvlist_free(*newroot
);
3433 return (no_memory(hdl
));
3439 * Remove the given device.
3442 zpool_vdev_remove(zpool_handle_t
*zhp
, const char *path
)
3444 zfs_cmd_t zc
= {"\0"};
3447 boolean_t avail_spare
, l2cache
, islog
;
3448 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
3451 (void) snprintf(msg
, sizeof (msg
),
3452 dgettext(TEXT_DOMAIN
, "cannot remove %s"), path
);
3454 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3455 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
, &l2cache
,
3457 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
3459 version
= zpool_get_prop_int(zhp
, ZPOOL_PROP_VERSION
, NULL
);
3460 if (islog
&& version
< SPA_VERSION_HOLES
) {
3461 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3462 "pool must be upgraded to support log removal"));
3463 return (zfs_error(hdl
, EZFS_BADVERSION
, msg
));
3466 if (!islog
&& !avail_spare
&& !l2cache
&& zpool_is_bootable(zhp
)) {
3467 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3468 "root pool can not have removed devices, "
3469 "because GRUB does not understand them"));
3470 return (zfs_error(hdl
, EINVAL
, msg
));
3473 zc
.zc_guid
= fnvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
);
3475 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_REMOVE
, &zc
) == 0)
3481 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3482 "invalid config; all top-level vdevs must "
3483 "have the same sector size and not be raidz."));
3484 (void) zfs_error(hdl
, EZFS_INVALCONFIG
, msg
);
3489 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3490 "Mount encrypted datasets to replay logs."));
3492 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3493 "Pool busy; removal may already be in progress"));
3495 (void) zfs_error(hdl
, EZFS_BUSY
, msg
);
3500 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3501 "Mount encrypted datasets to replay logs."));
3502 (void) zfs_error(hdl
, EZFS_BUSY
, msg
);
3504 (void) zpool_standard_error(hdl
, errno
, msg
);
3509 (void) zpool_standard_error(hdl
, errno
, msg
);
3515 zpool_vdev_remove_cancel(zpool_handle_t
*zhp
)
3519 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
3521 (void) snprintf(msg
, sizeof (msg
),
3522 dgettext(TEXT_DOMAIN
, "cannot cancel removal"));
3524 bzero(&zc
, sizeof (zc
));
3525 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3528 if (zfs_ioctl(hdl
, ZFS_IOC_VDEV_REMOVE
, &zc
) == 0)
3531 return (zpool_standard_error(hdl
, errno
, msg
));
3535 zpool_vdev_indirect_size(zpool_handle_t
*zhp
, const char *path
,
3540 boolean_t avail_spare
, l2cache
, islog
;
3541 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
3543 (void) snprintf(msg
, sizeof (msg
),
3544 dgettext(TEXT_DOMAIN
, "cannot determine indirect size of %s"),
3547 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
, &l2cache
,
3549 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
3551 if (avail_spare
|| l2cache
|| islog
) {
3556 if (nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_INDIRECT_SIZE
, sizep
) != 0) {
3557 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
,
3558 "indirect size not available"));
3559 return (zfs_error(hdl
, EINVAL
, msg
));
3565 * Clear the errors for the pool, or the particular device if specified.
3568 zpool_clear(zpool_handle_t
*zhp
, const char *path
, nvlist_t
*rewindnvl
)
3570 zfs_cmd_t zc
= {"\0"};
3573 zpool_load_policy_t policy
;
3574 boolean_t avail_spare
, l2cache
;
3575 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
3576 nvlist_t
*nvi
= NULL
;
3580 (void) snprintf(msg
, sizeof (msg
),
3581 dgettext(TEXT_DOMAIN
, "cannot clear errors for %s"),
3584 (void) snprintf(msg
, sizeof (msg
),
3585 dgettext(TEXT_DOMAIN
, "cannot clear errors for %s"),
3588 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3590 if ((tgt
= zpool_find_vdev(zhp
, path
, &avail_spare
,
3591 &l2cache
, NULL
)) == NULL
)
3592 return (zfs_error(hdl
, EZFS_NODEVICE
, msg
));
3595 * Don't allow error clearing for hot spares. Do allow
3596 * error clearing for l2cache devices.
3599 return (zfs_error(hdl
, EZFS_ISSPARE
, msg
));
3601 verify(nvlist_lookup_uint64(tgt
, ZPOOL_CONFIG_GUID
,
3605 zpool_get_load_policy(rewindnvl
, &policy
);
3606 zc
.zc_cookie
= policy
.zlp_rewind
;
3608 if (zcmd_alloc_dst_nvlist(hdl
, &zc
, zhp
->zpool_config_size
* 2) != 0)
3611 if (zcmd_write_src_nvlist(hdl
, &zc
, rewindnvl
) != 0)
3614 while ((error
= zfs_ioctl(hdl
, ZFS_IOC_CLEAR
, &zc
)) != 0 &&
3616 if (zcmd_expand_dst_nvlist(hdl
, &zc
) != 0) {
3617 zcmd_free_nvlists(&zc
);
3622 if (!error
|| ((policy
.zlp_rewind
& ZPOOL_TRY_REWIND
) &&
3623 errno
!= EPERM
&& errno
!= EACCES
)) {
3624 if (policy
.zlp_rewind
&
3625 (ZPOOL_DO_REWIND
| ZPOOL_TRY_REWIND
)) {
3626 (void) zcmd_read_dst_nvlist(hdl
, &zc
, &nvi
);
3627 zpool_rewind_exclaim(hdl
, zc
.zc_name
,
3628 ((policy
.zlp_rewind
& ZPOOL_TRY_REWIND
) != 0),
3632 zcmd_free_nvlists(&zc
);
3636 zcmd_free_nvlists(&zc
);
3637 return (zpool_standard_error(hdl
, errno
, msg
));
3641 * Similar to zpool_clear(), but takes a GUID (used by fmd).
3644 zpool_vdev_clear(zpool_handle_t
*zhp
, uint64_t guid
)
3646 zfs_cmd_t zc
= {"\0"};
3648 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
3650 (void) snprintf(msg
, sizeof (msg
),
3651 dgettext(TEXT_DOMAIN
, "cannot clear errors for %llx"),
3652 (u_longlong_t
)guid
);
3654 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3656 zc
.zc_cookie
= ZPOOL_NO_REWIND
;
3658 if (ioctl(hdl
->libzfs_fd
, ZFS_IOC_CLEAR
, &zc
) == 0)
3661 return (zpool_standard_error(hdl
, errno
, msg
));
3665 * Change the GUID for a pool.
3668 zpool_reguid(zpool_handle_t
*zhp
)
3671 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
3672 zfs_cmd_t zc
= {"\0"};
3674 (void) snprintf(msg
, sizeof (msg
),
3675 dgettext(TEXT_DOMAIN
, "cannot reguid '%s'"), zhp
->zpool_name
);
3677 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3678 if (zfs_ioctl(hdl
, ZFS_IOC_POOL_REGUID
, &zc
) == 0)
3681 return (zpool_standard_error(hdl
, errno
, msg
));
3688 zpool_reopen_one(zpool_handle_t
*zhp
, void *data
)
3690 libzfs_handle_t
*hdl
= zpool_get_handle(zhp
);
3691 const char *pool_name
= zpool_get_name(zhp
);
3692 boolean_t
*scrub_restart
= data
;
3695 error
= lzc_reopen(pool_name
, *scrub_restart
);
3697 return (zpool_standard_error_fmt(hdl
, error
,
3698 dgettext(TEXT_DOMAIN
, "cannot reopen '%s'"), pool_name
));
3704 /* call into libzfs_core to execute the sync IOCTL per pool */
3706 zpool_sync_one(zpool_handle_t
*zhp
, void *data
)
3709 libzfs_handle_t
*hdl
= zpool_get_handle(zhp
);
3710 const char *pool_name
= zpool_get_name(zhp
);
3711 boolean_t
*force
= data
;
3712 nvlist_t
*innvl
= fnvlist_alloc();
3714 fnvlist_add_boolean_value(innvl
, "force", *force
);
3715 if ((ret
= lzc_sync(pool_name
, innvl
, NULL
)) != 0) {
3717 return (zpool_standard_error_fmt(hdl
, ret
,
3718 dgettext(TEXT_DOMAIN
, "sync '%s' failed"), pool_name
));
3725 #if defined(__sun__) || defined(__sun)
3727 * Convert from a devid string to a path.
3730 devid_to_path(char *devid_str
)
3735 devid_nmlist_t
*list
= NULL
;
3738 if (devid_str_decode(devid_str
, &devid
, &minor
) != 0)
3741 ret
= devid_deviceid_to_nmlist("/dev", devid
, minor
, &list
);
3743 devid_str_free(minor
);
3750 * In a case the strdup() fails, we will just return NULL below.
3752 path
= strdup(list
[0].devname
);
3754 devid_free_nmlist(list
);
3760 * Convert from a path to a devid string.
3763 path_to_devid(const char *path
)
3769 if ((fd
= open(path
, O_RDONLY
)) < 0)
3774 if (devid_get(fd
, &devid
) == 0) {
3775 if (devid_get_minor_name(fd
, &minor
) == 0)
3776 ret
= devid_str_encode(devid
, minor
);
3778 devid_str_free(minor
);
3787 * Issue the necessary ioctl() to update the stored path value for the vdev. We
3788 * ignore any failure here, since a common case is for an unprivileged user to
3789 * type 'zpool status', and we'll display the correct information anyway.
3792 set_path(zpool_handle_t
*zhp
, nvlist_t
*nv
, const char *path
)
3794 zfs_cmd_t zc
= {"\0"};
3796 (void) strncpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
3797 (void) strncpy(zc
.zc_value
, path
, sizeof (zc
.zc_value
));
3798 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_GUID
,
3801 (void) ioctl(zhp
->zpool_hdl
->libzfs_fd
, ZFS_IOC_VDEV_SETPATH
, &zc
);
3805 #define PATH_BUF_LEN 64
3808 * Given a vdev, return the name to display in iostat. If the vdev has a path,
3809 * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type.
3810 * We also check if this is a whole disk, in which case we strip off the
3811 * trailing 's0' slice name.
3813 * This routine is also responsible for identifying when disks have been
3814 * reconfigured in a new location. The kernel will have opened the device by
3815 * devid, but the path will still refer to the old location. To catch this, we
3816 * first do a path -> devid translation (which is fast for the common case). If
3817 * the devid matches, we're done. If not, we do a reverse devid -> path
3818 * translation and issue the appropriate ioctl() to update the path of the vdev.
3819 * If 'zhp' is NULL, then this is an exported pool, and we don't need to do any
3823 zpool_vdev_name(libzfs_handle_t
*hdl
, zpool_handle_t
*zhp
, nvlist_t
*nv
,
3826 char *path
, *type
, *env
;
3828 char buf
[PATH_BUF_LEN
];
3829 char tmpbuf
[PATH_BUF_LEN
];
3832 * vdev_name will be "root"/"root-0" for the root vdev, but it is the
3833 * zpool name that will be displayed to the user.
3835 verify(nvlist_lookup_string(nv
, ZPOOL_CONFIG_TYPE
, &type
) == 0);
3836 if (zhp
!= NULL
&& strcmp(type
, "root") == 0)
3837 return (zfs_strdup(hdl
, zpool_get_name(zhp
)));
3839 env
= getenv("ZPOOL_VDEV_NAME_PATH");
3840 if (env
&& (strtoul(env
, NULL
, 0) > 0 ||
3841 !strncasecmp(env
, "YES", 3) || !strncasecmp(env
, "ON", 2)))
3842 name_flags
|= VDEV_NAME_PATH
;
3844 env
= getenv("ZPOOL_VDEV_NAME_GUID");
3845 if (env
&& (strtoul(env
, NULL
, 0) > 0 ||
3846 !strncasecmp(env
, "YES", 3) || !strncasecmp(env
, "ON", 2)))
3847 name_flags
|= VDEV_NAME_GUID
;
3849 env
= getenv("ZPOOL_VDEV_NAME_FOLLOW_LINKS");
3850 if (env
&& (strtoul(env
, NULL
, 0) > 0 ||
3851 !strncasecmp(env
, "YES", 3) || !strncasecmp(env
, "ON", 2)))
3852 name_flags
|= VDEV_NAME_FOLLOW_LINKS
;
3854 if (nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_NOT_PRESENT
, &value
) == 0 ||
3855 name_flags
& VDEV_NAME_GUID
) {
3856 (void) nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_GUID
, &value
);
3857 (void) snprintf(buf
, sizeof (buf
), "%llu", (u_longlong_t
)value
);
3859 } else if (nvlist_lookup_string(nv
, ZPOOL_CONFIG_PATH
, &path
) == 0) {
3860 #if defined(__sun__) || defined(__sun)
3862 * Live VDEV path updates to a kernel VDEV during a
3863 * zpool_vdev_name lookup are not supported on Linux.
3870 * If the device is dead (faulted, offline, etc) then don't
3871 * bother opening it. Otherwise we may be forcing the user to
3872 * open a misbehaving device, which can have undesirable
3875 if ((nvlist_lookup_uint64_array(nv
, ZPOOL_CONFIG_VDEV_STATS
,
3876 (uint64_t **)&vs
, &vsc
) != 0 ||
3877 vs
->vs_state
>= VDEV_STATE_DEGRADED
) &&
3879 nvlist_lookup_string(nv
, ZPOOL_CONFIG_DEVID
, &devid
) == 0) {
3881 * Determine if the current path is correct.
3883 char *newdevid
= path_to_devid(path
);
3885 if (newdevid
== NULL
||
3886 strcmp(devid
, newdevid
) != 0) {
3889 if ((newpath
= devid_to_path(devid
)) != NULL
) {
3891 * Update the path appropriately.
3893 set_path(zhp
, nv
, newpath
);
3894 if (nvlist_add_string(nv
,
3895 ZPOOL_CONFIG_PATH
, newpath
) == 0)
3896 verify(nvlist_lookup_string(nv
,
3904 devid_str_free(newdevid
);
3908 if (name_flags
& VDEV_NAME_FOLLOW_LINKS
) {
3909 char *rp
= realpath(path
, NULL
);
3911 strlcpy(buf
, rp
, sizeof (buf
));
3918 * For a block device only use the name.
3920 if ((strcmp(type
, VDEV_TYPE_DISK
) == 0) &&
3921 !(name_flags
& VDEV_NAME_PATH
)) {
3922 path
= strrchr(path
, '/');
3927 * Remove the partition from the path it this is a whole disk.
3929 if (nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_WHOLE_DISK
, &value
)
3930 == 0 && value
&& !(name_flags
& VDEV_NAME_PATH
)) {
3931 return (zfs_strip_partition(path
));
3937 * If it's a raidz device, we need to stick in the parity level.
3939 if (strcmp(path
, VDEV_TYPE_RAIDZ
) == 0) {
3940 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_NPARITY
,
3942 (void) snprintf(buf
, sizeof (buf
), "%s%llu", path
,
3943 (u_longlong_t
)value
);
3948 * We identify each top-level vdev by using a <type-id>
3949 * naming convention.
3951 if (name_flags
& VDEV_NAME_TYPE_ID
) {
3953 verify(nvlist_lookup_uint64(nv
, ZPOOL_CONFIG_ID
,
3955 (void) snprintf(tmpbuf
, sizeof (tmpbuf
), "%s-%llu",
3956 path
, (u_longlong_t
)id
);
3961 return (zfs_strdup(hdl
, path
));
3965 zbookmark_mem_compare(const void *a
, const void *b
)
3967 return (memcmp(a
, b
, sizeof (zbookmark_phys_t
)));
3971 * Retrieve the persistent error log, uniquify the members, and return to the
3975 zpool_get_errlog(zpool_handle_t
*zhp
, nvlist_t
**nverrlistp
)
3977 zfs_cmd_t zc
= {"\0"};
3978 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
3980 zbookmark_phys_t
*zb
= NULL
;
3984 * Retrieve the raw error list from the kernel. If the number of errors
3985 * has increased, allocate more space and continue until we get the
3988 verify(nvlist_lookup_uint64(zhp
->zpool_config
, ZPOOL_CONFIG_ERRCOUNT
,
3992 zc
.zc_nvlist_dst
= (uintptr_t)zfs_alloc(zhp
->zpool_hdl
,
3993 count
* sizeof (zbookmark_phys_t
));
3994 zc
.zc_nvlist_dst_size
= count
;
3995 (void) strcpy(zc
.zc_name
, zhp
->zpool_name
);
3997 if (ioctl(zhp
->zpool_hdl
->libzfs_fd
, ZFS_IOC_ERROR_LOG
,
3999 free((void *)(uintptr_t)zc
.zc_nvlist_dst
);
4000 if (errno
== ENOMEM
) {
4003 count
= zc
.zc_nvlist_dst_size
;
4004 dst
= zfs_alloc(zhp
->zpool_hdl
, count
*
4005 sizeof (zbookmark_phys_t
));
4006 zc
.zc_nvlist_dst
= (uintptr_t)dst
;
4008 return (zpool_standard_error_fmt(hdl
, errno
,
4009 dgettext(TEXT_DOMAIN
, "errors: List of "
4010 "errors unavailable")));
4018 * Sort the resulting bookmarks. This is a little confusing due to the
4019 * implementation of ZFS_IOC_ERROR_LOG. The bookmarks are copied last
4020 * to first, and 'zc_nvlist_dst_size' indicates the number of boomarks
4021 * _not_ copied as part of the process. So we point the start of our
4022 * array appropriate and decrement the total number of elements.
4024 zb
= ((zbookmark_phys_t
*)(uintptr_t)zc
.zc_nvlist_dst
) +
4025 zc
.zc_nvlist_dst_size
;
4026 count
-= zc
.zc_nvlist_dst_size
;
4028 qsort(zb
, count
, sizeof (zbookmark_phys_t
), zbookmark_mem_compare
);
4030 verify(nvlist_alloc(nverrlistp
, 0, KM_SLEEP
) == 0);
4033 * Fill in the nverrlistp with nvlist's of dataset and object numbers.
4035 for (i
= 0; i
< count
; i
++) {
4038 /* ignoring zb_blkid and zb_level for now */
4039 if (i
> 0 && zb
[i
-1].zb_objset
== zb
[i
].zb_objset
&&
4040 zb
[i
-1].zb_object
== zb
[i
].zb_object
)
4043 if (nvlist_alloc(&nv
, NV_UNIQUE_NAME
, KM_SLEEP
) != 0)
4045 if (nvlist_add_uint64(nv
, ZPOOL_ERR_DATASET
,
4046 zb
[i
].zb_objset
) != 0) {
4050 if (nvlist_add_uint64(nv
, ZPOOL_ERR_OBJECT
,
4051 zb
[i
].zb_object
) != 0) {
4055 if (nvlist_add_nvlist(*nverrlistp
, "ejk", nv
) != 0) {
4062 free((void *)(uintptr_t)zc
.zc_nvlist_dst
);
4066 free((void *)(uintptr_t)zc
.zc_nvlist_dst
);
4067 return (no_memory(zhp
->zpool_hdl
));
4071 * Upgrade a ZFS pool to the latest on-disk version.
4074 zpool_upgrade(zpool_handle_t
*zhp
, uint64_t new_version
)
4076 zfs_cmd_t zc
= {"\0"};
4077 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
4079 (void) strcpy(zc
.zc_name
, zhp
->zpool_name
);
4080 zc
.zc_cookie
= new_version
;
4082 if (zfs_ioctl(hdl
, ZFS_IOC_POOL_UPGRADE
, &zc
) != 0)
4083 return (zpool_standard_error_fmt(hdl
, errno
,
4084 dgettext(TEXT_DOMAIN
, "cannot upgrade '%s'"),
4090 zfs_save_arguments(int argc
, char **argv
, char *string
, int len
)
4094 (void) strlcpy(string
, basename(argv
[0]), len
);
4095 for (i
= 1; i
< argc
; i
++) {
4096 (void) strlcat(string
, " ", len
);
4097 (void) strlcat(string
, argv
[i
], len
);
4102 zpool_log_history(libzfs_handle_t
*hdl
, const char *message
)
4104 zfs_cmd_t zc
= {"\0"};
4108 args
= fnvlist_alloc();
4109 fnvlist_add_string(args
, "message", message
);
4110 err
= zcmd_write_src_nvlist(hdl
, &zc
, args
);
4112 err
= ioctl(hdl
->libzfs_fd
, ZFS_IOC_LOG_HISTORY
, &zc
);
4114 zcmd_free_nvlists(&zc
);
4119 * Perform ioctl to get some command history of a pool.
4121 * 'buf' is the buffer to fill up to 'len' bytes. 'off' is the
4122 * logical offset of the history buffer to start reading from.
4124 * Upon return, 'off' is the next logical offset to read from and
4125 * 'len' is the actual amount of bytes read into 'buf'.
4128 get_history(zpool_handle_t
*zhp
, char *buf
, uint64_t *off
, uint64_t *len
)
4130 zfs_cmd_t zc
= {"\0"};
4131 libzfs_handle_t
*hdl
= zhp
->zpool_hdl
;
4133 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
4135 zc
.zc_history
= (uint64_t)(uintptr_t)buf
;
4136 zc
.zc_history_len
= *len
;
4137 zc
.zc_history_offset
= *off
;
4139 if (ioctl(hdl
->libzfs_fd
, ZFS_IOC_POOL_GET_HISTORY
, &zc
) != 0) {
4142 return (zfs_error_fmt(hdl
, EZFS_PERM
,
4143 dgettext(TEXT_DOMAIN
,
4144 "cannot show history for pool '%s'"),
4147 return (zfs_error_fmt(hdl
, EZFS_NOHISTORY
,
4148 dgettext(TEXT_DOMAIN
, "cannot get history for pool "
4149 "'%s'"), zhp
->zpool_name
));
4151 return (zfs_error_fmt(hdl
, EZFS_BADVERSION
,
4152 dgettext(TEXT_DOMAIN
, "cannot get history for pool "
4153 "'%s', pool must be upgraded"), zhp
->zpool_name
));
4155 return (zpool_standard_error_fmt(hdl
, errno
,
4156 dgettext(TEXT_DOMAIN
,
4157 "cannot get history for '%s'"), zhp
->zpool_name
));
4161 *len
= zc
.zc_history_len
;
4162 *off
= zc
.zc_history_offset
;
4168 * Retrieve the command history of a pool.
4171 zpool_get_history(zpool_handle_t
*zhp
, nvlist_t
**nvhisp
)
4174 int buflen
= 128 * 1024;
4176 nvlist_t
**records
= NULL
;
4177 uint_t numrecords
= 0;
4180 buf
= malloc(buflen
);
4184 uint64_t bytes_read
= buflen
;
4187 if ((err
= get_history(zhp
, buf
, &off
, &bytes_read
)) != 0)
4190 /* if nothing else was read in, we're at EOF, just return */
4194 if ((err
= zpool_history_unpack(buf
, bytes_read
,
4195 &leftover
, &records
, &numrecords
)) != 0)
4198 if (leftover
== bytes_read
) {
4200 * no progress made, because buffer is not big enough
4201 * to hold this record; resize and retry.
4205 buf
= malloc(buflen
);
4216 verify(nvlist_alloc(nvhisp
, NV_UNIQUE_NAME
, 0) == 0);
4217 verify(nvlist_add_nvlist_array(*nvhisp
, ZPOOL_HIST_RECORD
,
4218 records
, numrecords
) == 0);
4220 for (i
= 0; i
< numrecords
; i
++)
4221 nvlist_free(records
[i
]);
4228 * Retrieve the next event given the passed 'zevent_fd' file descriptor.
4229 * If there is a new event available 'nvp' will contain a newly allocated
4230 * nvlist and 'dropped' will be set to the number of missed events since
4231 * the last call to this function. When 'nvp' is set to NULL it indicates
4232 * no new events are available. In either case the function returns 0 and
4233 * it is up to the caller to free 'nvp'. In the case of a fatal error the
4234 * function will return a non-zero value. When the function is called in
4235 * blocking mode (the default, unless the ZEVENT_NONBLOCK flag is passed),
4236 * it will not return until a new event is available.
4239 zpool_events_next(libzfs_handle_t
*hdl
, nvlist_t
**nvp
,
4240 int *dropped
, unsigned flags
, int zevent_fd
)
4242 zfs_cmd_t zc
= {"\0"};
4247 zc
.zc_cleanup_fd
= zevent_fd
;
4249 if (flags
& ZEVENT_NONBLOCK
)
4250 zc
.zc_guid
= ZEVENT_NONBLOCK
;
4252 if (zcmd_alloc_dst_nvlist(hdl
, &zc
, ZEVENT_SIZE
) != 0)
4256 if (zfs_ioctl(hdl
, ZFS_IOC_EVENTS_NEXT
, &zc
) != 0) {
4259 error
= zfs_error_fmt(hdl
, EZFS_POOLUNAVAIL
,
4260 dgettext(TEXT_DOMAIN
, "zfs shutdown"));
4263 /* Blocking error case should not occur */
4264 if (!(flags
& ZEVENT_NONBLOCK
))
4265 error
= zpool_standard_error_fmt(hdl
, errno
,
4266 dgettext(TEXT_DOMAIN
, "cannot get event"));
4270 if (zcmd_expand_dst_nvlist(hdl
, &zc
) != 0) {
4271 error
= zfs_error_fmt(hdl
, EZFS_NOMEM
,
4272 dgettext(TEXT_DOMAIN
, "cannot get event"));
4278 error
= zpool_standard_error_fmt(hdl
, errno
,
4279 dgettext(TEXT_DOMAIN
, "cannot get event"));
4284 error
= zcmd_read_dst_nvlist(hdl
, &zc
, nvp
);
4288 *dropped
= (int)zc
.zc_cookie
;
4290 zcmd_free_nvlists(&zc
);
4299 zpool_events_clear(libzfs_handle_t
*hdl
, int *count
)
4301 zfs_cmd_t zc
= {"\0"};
4304 (void) snprintf(msg
, sizeof (msg
), dgettext(TEXT_DOMAIN
,
4305 "cannot clear events"));
4307 if (zfs_ioctl(hdl
, ZFS_IOC_EVENTS_CLEAR
, &zc
) != 0)
4308 return (zpool_standard_error_fmt(hdl
, errno
, msg
));
4311 *count
= (int)zc
.zc_cookie
; /* # of events cleared */
4317 * Seek to a specific EID, ZEVENT_SEEK_START, or ZEVENT_SEEK_END for
4318 * the passed zevent_fd file handle. On success zero is returned,
4319 * otherwise -1 is returned and hdl->libzfs_error is set to the errno.
4322 zpool_events_seek(libzfs_handle_t
*hdl
, uint64_t eid
, int zevent_fd
)
4324 zfs_cmd_t zc
= {"\0"};
4328 zc
.zc_cleanup_fd
= zevent_fd
;
4330 if (zfs_ioctl(hdl
, ZFS_IOC_EVENTS_SEEK
, &zc
) != 0) {
4333 error
= zfs_error_fmt(hdl
, EZFS_NOENT
,
4334 dgettext(TEXT_DOMAIN
, "cannot get event"));
4338 error
= zfs_error_fmt(hdl
, EZFS_NOMEM
,
4339 dgettext(TEXT_DOMAIN
, "cannot get event"));
4343 error
= zpool_standard_error_fmt(hdl
, errno
,
4344 dgettext(TEXT_DOMAIN
, "cannot get event"));
4353 zpool_obj_to_path(zpool_handle_t
*zhp
, uint64_t dsobj
, uint64_t obj
,
4354 char *pathname
, size_t len
)
4356 zfs_cmd_t zc
= {"\0"};
4357 boolean_t mounted
= B_FALSE
;
4358 char *mntpnt
= NULL
;
4359 char dsname
[ZFS_MAX_DATASET_NAME_LEN
];
4362 /* special case for the MOS */
4363 (void) snprintf(pathname
, len
, "<metadata>:<0x%llx>",
4368 /* get the dataset's name */
4369 (void) strlcpy(zc
.zc_name
, zhp
->zpool_name
, sizeof (zc
.zc_name
));
4371 if (ioctl(zhp
->zpool_hdl
->libzfs_fd
,
4372 ZFS_IOC_DSOBJ_TO_DSNAME
, &zc
) != 0) {
4373 /* just write out a path of two object numbers */
4374 (void) snprintf(pathname
, len
, "<0x%llx>:<0x%llx>",
4375 (longlong_t
)dsobj
, (longlong_t
)obj
);
4378 (void) strlcpy(dsname
, zc
.zc_value
, sizeof (dsname
));
4380 /* find out if the dataset is mounted */
4381 mounted
= is_mounted(zhp
->zpool_hdl
, dsname
, &mntpnt
);
4383 /* get the corrupted object's path */
4384 (void) strlcpy(zc
.zc_name
, dsname
, sizeof (zc
.zc_name
));
4386 if (ioctl(zhp
->zpool_hdl
->libzfs_fd
, ZFS_IOC_OBJ_TO_PATH
,
4389 (void) snprintf(pathname
, len
, "%s%s", mntpnt
,
4392 (void) snprintf(pathname
, len
, "%s:%s",
4393 dsname
, zc
.zc_value
);
4396 (void) snprintf(pathname
, len
, "%s:<0x%llx>", dsname
,
4403 * Read the EFI label from the config, if a label does not exist then
4404 * pass back the error to the caller. If the caller has passed a non-NULL
4405 * diskaddr argument then we set it to the starting address of the EFI
4409 read_efi_label(nvlist_t
*config
, diskaddr_t
*sb
)
4413 char diskname
[MAXPATHLEN
];
4416 if (nvlist_lookup_string(config
, ZPOOL_CONFIG_PATH
, &path
) != 0)
4419 (void) snprintf(diskname
, sizeof (diskname
), "%s%s", DISK_ROOT
,
4420 strrchr(path
, '/'));
4421 if ((fd
= open(diskname
, O_RDONLY
|O_DIRECT
)) >= 0) {
4422 struct dk_gpt
*vtoc
;
4424 if ((err
= efi_alloc_and_read(fd
, &vtoc
)) >= 0) {
4426 *sb
= vtoc
->efi_parts
[0].p_start
;
4435 * determine where a partition starts on a disk in the current
4439 find_start_block(nvlist_t
*config
)
4443 diskaddr_t sb
= MAXOFFSET_T
;
4446 if (nvlist_lookup_nvlist_array(config
,
4447 ZPOOL_CONFIG_CHILDREN
, &child
, &children
) != 0) {
4448 if (nvlist_lookup_uint64(config
,
4449 ZPOOL_CONFIG_WHOLE_DISK
,
4450 &wholedisk
) != 0 || !wholedisk
) {
4451 return (MAXOFFSET_T
);
4453 if (read_efi_label(config
, &sb
) < 0)
4458 for (c
= 0; c
< children
; c
++) {
4459 sb
= find_start_block(child
[c
]);
4460 if (sb
!= MAXOFFSET_T
) {
4464 return (MAXOFFSET_T
);
4468 zpool_label_disk_check(char *path
)
4470 struct dk_gpt
*vtoc
;
4473 if ((fd
= open(path
, O_RDONLY
|O_DIRECT
)) < 0)
4476 if ((err
= efi_alloc_and_read(fd
, &vtoc
)) != 0) {
4481 if (vtoc
->efi_flags
& EFI_GPT_PRIMARY_CORRUPT
) {
4493 * Generate a unique partition name for the ZFS member. Partitions must
4494 * have unique names to ensure udev will be able to create symlinks under
4495 * /dev/disk/by-partlabel/ for all pool members. The partition names are
4496 * of the form <pool>-<unique-id>.
4499 zpool_label_name(char *label_name
, int label_size
)
4504 fd
= open("/dev/urandom", O_RDONLY
);
4506 if (read(fd
, &id
, sizeof (id
)) != sizeof (id
))
4513 id
= (((uint64_t)rand()) << 32) | (uint64_t)rand();
4515 snprintf(label_name
, label_size
, "zfs-%016llx", (u_longlong_t
)id
);
4519 * Label an individual disk. The name provided is the short name,
4520 * stripped of any leading /dev path.
4523 zpool_label_disk(libzfs_handle_t
*hdl
, zpool_handle_t
*zhp
, char *name
)
4525 char path
[MAXPATHLEN
];
4526 struct dk_gpt
*vtoc
;
4528 size_t resv
= EFI_MIN_RESV_SIZE
;
4529 uint64_t slice_size
;
4530 diskaddr_t start_block
;
4533 /* prepare an error message just in case */
4534 (void) snprintf(errbuf
, sizeof (errbuf
),
4535 dgettext(TEXT_DOMAIN
, "cannot label '%s'"), name
);
4540 verify(nvlist_lookup_nvlist(zhp
->zpool_config
,
4541 ZPOOL_CONFIG_VDEV_TREE
, &nvroot
) == 0);
4543 if (zhp
->zpool_start_block
== 0)
4544 start_block
= find_start_block(nvroot
);
4546 start_block
= zhp
->zpool_start_block
;
4547 zhp
->zpool_start_block
= start_block
;
4550 start_block
= NEW_START_BLOCK
;
4553 (void) snprintf(path
, sizeof (path
), "%s/%s", DISK_ROOT
, name
);
4555 if ((fd
= open(path
, O_RDWR
|O_DIRECT
|O_EXCL
)) < 0) {
4557 * This shouldn't happen. We've long since verified that this
4558 * is a valid device.
4560 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "cannot "
4561 "label '%s': unable to open device: %d"), path
, errno
);
4562 return (zfs_error(hdl
, EZFS_OPENFAILED
, errbuf
));
4565 if (efi_alloc_and_init(fd
, EFI_NUMPAR
, &vtoc
) != 0) {
4567 * The only way this can fail is if we run out of memory, or we
4568 * were unable to read the disk's capacity
4570 if (errno
== ENOMEM
)
4571 (void) no_memory(hdl
);
4574 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "cannot "
4575 "label '%s': unable to read disk capacity"), path
);
4577 return (zfs_error(hdl
, EZFS_NOCAP
, errbuf
));
4580 slice_size
= vtoc
->efi_last_u_lba
+ 1;
4581 slice_size
-= EFI_MIN_RESV_SIZE
;
4582 if (start_block
== MAXOFFSET_T
)
4583 start_block
= NEW_START_BLOCK
;
4584 slice_size
-= start_block
;
4585 slice_size
= P2ALIGN(slice_size
, PARTITION_END_ALIGNMENT
);
4587 vtoc
->efi_parts
[0].p_start
= start_block
;
4588 vtoc
->efi_parts
[0].p_size
= slice_size
;
4591 * Why we use V_USR: V_BACKUP confuses users, and is considered
4592 * disposable by some EFI utilities (since EFI doesn't have a backup
4593 * slice). V_UNASSIGNED is supposed to be used only for zero size
4594 * partitions, and efi_write() will fail if we use it. V_ROOT, V_BOOT,
4595 * etc. were all pretty specific. V_USR is as close to reality as we
4596 * can get, in the absence of V_OTHER.
4598 vtoc
->efi_parts
[0].p_tag
= V_USR
;
4599 zpool_label_name(vtoc
->efi_parts
[0].p_name
, EFI_PART_NAME_LEN
);
4601 vtoc
->efi_parts
[8].p_start
= slice_size
+ start_block
;
4602 vtoc
->efi_parts
[8].p_size
= resv
;
4603 vtoc
->efi_parts
[8].p_tag
= V_RESERVED
;
4605 rval
= efi_write(fd
, vtoc
);
4607 /* Flush the buffers to disk and invalidate the page cache. */
4609 (void) ioctl(fd
, BLKFLSBUF
);
4612 rval
= efi_rescan(fd
);
4615 * Some block drivers (like pcata) may not support EFI GPT labels.
4616 * Print out a helpful error message directing the user to manually
4617 * label the disk and give a specific slice.
4623 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "try using "
4624 "parted(8) and then provide a specific slice: %d"), rval
);
4625 return (zfs_error(hdl
, EZFS_LABELFAILED
, errbuf
));
4631 (void) snprintf(path
, sizeof (path
), "%s/%s", DISK_ROOT
, name
);
4632 (void) zfs_append_partition(path
, MAXPATHLEN
);
4634 /* Wait to udev to signal use the device has settled. */
4635 rval
= zpool_label_disk_wait(path
, DISK_LABEL_WAIT
);
4637 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "failed to "
4638 "detect device partitions on '%s': %d"), path
, rval
);
4639 return (zfs_error(hdl
, EZFS_LABELFAILED
, errbuf
));
4642 /* We can't be to paranoid. Read the label back and verify it. */
4643 (void) snprintf(path
, sizeof (path
), "%s/%s", DISK_ROOT
, name
);
4644 rval
= zpool_label_disk_check(path
);
4646 zfs_error_aux(hdl
, dgettext(TEXT_DOMAIN
, "freshly written "
4647 "EFI label on '%s' is damaged. Ensure\nthis device "
4648 "is not in in use, and is functioning properly: %d"),
4650 return (zfs_error(hdl
, EZFS_LABELFAILED
, errbuf
));