/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011, 2016 by Delphix. All rights reserved.
+ * Copyright (c) 2011, 2017 by Delphix. All rights reserved.
* Copyright (c) 2014 Integros [integros.com]
* Copyright 2016 Nexenta Systems, Inc.
* Copyright (c) 2017 Lawrence Livermore National Security, LLC.
#define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
zio_checksum_table[(idx)].ci_name : "UNKNOWN")
#define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \
- (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \
- DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES))
+ (idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA ? \
+ DMU_OT_ZAP_OTHER : \
+ (idx) == DMU_OTN_UINT64_DATA || (idx) == DMU_OTN_UINT64_METADATA ? \
+ DMU_OT_UINT64_OTHER : DMU_OT_NUMTYPES)
static char *
zdb_ot_name(dmu_object_type_t type)
{
int refcount = 0;
- if (vd->vdev_top == vd && !vd->vdev_removing) {
- for (unsigned m = 0; m < vd->vdev_ms_count; m++) {
+ if (vd->vdev_top == vd) {
+ for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
space_map_t *sm = vd->vdev_ms[m]->ms_sm;
if (sm != NULL &&
return (refcount);
}
+static int
+get_obsolete_refcount(vdev_t *vd)
+{
+ int refcount = 0;
+
+ uint64_t obsolete_sm_obj = vdev_obsolete_sm_object(vd);
+ if (vd->vdev_top == vd && obsolete_sm_obj != 0) {
+ dmu_object_info_t doi;
+ VERIFY0(dmu_object_info(vd->vdev_spa->spa_meta_objset,
+ obsolete_sm_obj, &doi));
+ if (doi.doi_bonus_size == sizeof (space_map_phys_t)) {
+ refcount++;
+ }
+ } else {
+ ASSERT3P(vd->vdev_obsolete_sm, ==, NULL);
+ ASSERT3U(obsolete_sm_obj, ==, 0);
+ }
+ for (unsigned c = 0; c < vd->vdev_children; c++) {
+ refcount += get_obsolete_refcount(vd->vdev_child[c]);
+ }
+
+ return (refcount);
+}
+
+static int
+get_prev_obsolete_spacemap_refcount(spa_t *spa)
+{
+ uint64_t prev_obj =
+ spa->spa_condensing_indirect_phys.scip_prev_obsolete_sm_object;
+ if (prev_obj != 0) {
+ dmu_object_info_t doi;
+ VERIFY0(dmu_object_info(spa->spa_meta_objset, prev_obj, &doi));
+ if (doi.doi_bonus_size == sizeof (space_map_phys_t)) {
+ return (1);
+ }
+ }
+ return (0);
+}
+
static int
verify_spacemap_refcounts(spa_t *spa)
{
&expected_refcount);
actual_refcount = get_dtl_refcount(spa->spa_root_vdev);
actual_refcount += get_metaslab_refcount(spa->spa_root_vdev);
+ actual_refcount += get_obsolete_refcount(spa->spa_root_vdev);
+ actual_refcount += get_prev_obsolete_spacemap_refcount(spa);
if (expected_refcount != actual_refcount) {
(void) printf("space map refcount mismatch: expected %lld != "
{
uint64_t alloc, offset, entry;
const char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
- "INVALID", "INVALID", "INVALID", "INVALID" };
+ "INVALID", "INVALID", "INVALID", "INVALID" };
if (sm == NULL)
return;
+ (void) printf("space map object %llu:\n",
+ (longlong_t)sm->sm_phys->smp_object);
+ (void) printf(" smp_objsize = 0x%llx\n",
+ (longlong_t)sm->sm_phys->smp_objsize);
+ (void) printf(" smp_alloc = 0x%llx\n",
+ (longlong_t)sm->sm_phys->smp_alloc);
+
/*
* Print out the freelist entries in both encoded and decoded form.
*/
if (dump_opt['d'] > 5 || dump_opt['m'] > 3) {
ASSERT(msp->ms_size == (1ULL << vd->vdev_ms_shift));
- mutex_enter(&msp->ms_lock);
dump_spacemap(spa->spa_meta_objset, msp->ms_sm);
- mutex_exit(&msp->ms_lock);
}
}
dump_histogram(mc->mc_histogram, RANGE_TREE_HISTOGRAM_SIZE, 0);
}
+static void
+print_vdev_indirect(vdev_t *vd)
+{
+ vdev_indirect_config_t *vic = &vd->vdev_indirect_config;
+ vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
+ vdev_indirect_births_t *vib = vd->vdev_indirect_births;
+
+ if (vim == NULL) {
+ ASSERT3P(vib, ==, NULL);
+ return;
+ }
+
+ ASSERT3U(vdev_indirect_mapping_object(vim), ==,
+ vic->vic_mapping_object);
+ ASSERT3U(vdev_indirect_births_object(vib), ==,
+ vic->vic_births_object);
+
+ (void) printf("indirect births obj %llu:\n",
+ (longlong_t)vic->vic_births_object);
+ (void) printf(" vib_count = %llu\n",
+ (longlong_t)vdev_indirect_births_count(vib));
+ for (uint64_t i = 0; i < vdev_indirect_births_count(vib); i++) {
+ vdev_indirect_birth_entry_phys_t *cur_vibe =
+ &vib->vib_entries[i];
+ (void) printf("\toffset %llx -> txg %llu\n",
+ (longlong_t)cur_vibe->vibe_offset,
+ (longlong_t)cur_vibe->vibe_phys_birth_txg);
+ }
+ (void) printf("\n");
+
+ (void) printf("indirect mapping obj %llu:\n",
+ (longlong_t)vic->vic_mapping_object);
+ (void) printf(" vim_max_offset = 0x%llx\n",
+ (longlong_t)vdev_indirect_mapping_max_offset(vim));
+ (void) printf(" vim_bytes_mapped = 0x%llx\n",
+ (longlong_t)vdev_indirect_mapping_bytes_mapped(vim));
+ (void) printf(" vim_count = %llu\n",
+ (longlong_t)vdev_indirect_mapping_num_entries(vim));
+
+ if (dump_opt['d'] <= 5 && dump_opt['m'] <= 3)
+ return;
+
+ uint32_t *counts = vdev_indirect_mapping_load_obsolete_counts(vim);
+
+ for (uint64_t i = 0; i < vdev_indirect_mapping_num_entries(vim); i++) {
+ vdev_indirect_mapping_entry_phys_t *vimep =
+ &vim->vim_entries[i];
+ (void) printf("\t<%llx:%llx:%llx> -> "
+ "<%llx:%llx:%llx> (%x obsolete)\n",
+ (longlong_t)vd->vdev_id,
+ (longlong_t)DVA_MAPPING_GET_SRC_OFFSET(vimep),
+ (longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst),
+ (longlong_t)DVA_GET_VDEV(&vimep->vimep_dst),
+ (longlong_t)DVA_GET_OFFSET(&vimep->vimep_dst),
+ (longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst),
+ counts[i]);
+ }
+ (void) printf("\n");
+
+ uint64_t obsolete_sm_object = vdev_obsolete_sm_object(vd);
+ if (obsolete_sm_object != 0) {
+ objset_t *mos = vd->vdev_spa->spa_meta_objset;
+ (void) printf("obsolete space map object %llu:\n",
+ (u_longlong_t)obsolete_sm_object);
+ ASSERT(vd->vdev_obsolete_sm != NULL);
+ ASSERT3U(space_map_object(vd->vdev_obsolete_sm), ==,
+ obsolete_sm_object);
+ dump_spacemap(mos, vd->vdev_obsolete_sm);
+ (void) printf("\n");
+ }
+}
+
static void
dump_metaslabs(spa_t *spa)
{
vd = rvd->vdev_child[c];
print_vdev_metaslab_header(vd);
+ print_vdev_indirect(vd);
+
for (m = 0; m < vd->vdev_ms_count; m++)
dump_metaslab(vd->vdev_ms[m]);
(void) printf("\n");
continue;
(void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
indent + 2, "", name[t]);
- mutex_enter(rt->rt_lock);
range_tree_walk(rt, dump_dtl_seg, prefix);
- mutex_exit(rt->rt_lock);
if (dump_opt['d'] > 5 && vd->vdev_children == 0)
dump_spacemap(spa->spa_meta_objset,
vd->vdev_dtl_sm);
if (dump_opt['i'] != 0 || verbosity >= 2)
dump_intent_log(dmu_objset_zil(os));
- if (dmu_objset_ds(os) != NULL)
- dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
+ if (dmu_objset_ds(os) != NULL) {
+ dsl_dataset_t *ds = dmu_objset_ds(os);
+ dump_deadlist(&ds->ds_deadlist);
+
+ if (dsl_dataset_remap_deadlist_exists(ds)) {
+ (void) printf("ds_remap_deadlist:\n");
+ dump_deadlist(&ds->ds_remap_deadlist);
+ }
+ }
if (verbosity < 2)
return;
}
static uint64_t dataset_feature_count[SPA_FEATURES];
+static uint64_t remap_deadlist_count = 0;
/*ARGSUSED*/
static int
dataset_feature_count[f]++;
}
+ if (dsl_dataset_remap_deadlist_exists(dmu_objset_ds(os))) {
+ remap_deadlist_count++;
+ }
+
dump_dir(os);
close_objset(os, FTAG);
fuid_table_destroy();
typedef struct zdb_cb {
zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
+ uint64_t zcb_removing_size;
uint64_t zcb_dedup_asize;
uint64_t zcb_dedup_blocks;
uint64_t zcb_embedded_blocks[NUM_BP_EMBEDDED_TYPES];
int zcb_readfails;
int zcb_haderrors;
spa_t *zcb_spa;
+ uint32_t **zcb_vd_obsolete_counts;
} zdb_cb_t;
static void
NULL /* alloc */
};
+/* ARGSUSED */
+static void
+claim_segment_impl_cb(uint64_t inner_offset, vdev_t *vd, uint64_t offset,
+ uint64_t size, void *arg)
+{
+ /*
+ * This callback was called through a remap from
+ * a device being removed. Therefore, the vdev that
+ * this callback is applied to is a concrete
+ * vdev.
+ */
+ ASSERT(vdev_is_concrete(vd));
+
+ VERIFY0(metaslab_claim_impl(vd, offset, size,
+ spa_first_txg(vd->vdev_spa)));
+}
+
+static void
+claim_segment_cb(void *arg, uint64_t offset, uint64_t size)
+{
+ vdev_t *vd = arg;
+
+ vdev_indirect_ops.vdev_op_remap(vd, offset, size,
+ claim_segment_impl_cb, NULL);
+}
+
+/*
+ * After accounting for all allocated blocks that are directly referenced,
+ * we might have missed a reference to a block from a partially complete
+ * (and thus unused) indirect mapping object. We perform a secondary pass
+ * through the metaslabs we have already mapped and claim the destination
+ * blocks.
+ */
+static void
+zdb_claim_removing(spa_t *spa, zdb_cb_t *zcb)
+{
+ if (spa->spa_vdev_removal == NULL)
+ return;
+
+ spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
+
+ spa_vdev_removal_t *svr = spa->spa_vdev_removal;
+ vdev_t *vd = svr->svr_vdev;
+ vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
+
+ for (uint64_t msi = 0; msi < vd->vdev_ms_count; msi++) {
+ metaslab_t *msp = vd->vdev_ms[msi];
+
+ if (msp->ms_start >= vdev_indirect_mapping_max_offset(vim))
+ break;
+
+ ASSERT0(range_tree_space(svr->svr_allocd_segs));
+
+ if (msp->ms_sm != NULL) {
+ VERIFY0(space_map_load(msp->ms_sm,
+ svr->svr_allocd_segs, SM_ALLOC));
+
+ /*
+ * Clear everything past what has been synced,
+ * because we have not allocated mappings for it yet.
+ */
+ range_tree_clear(svr->svr_allocd_segs,
+ vdev_indirect_mapping_max_offset(vim),
+ msp->ms_sm->sm_start + msp->ms_sm->sm_size -
+ vdev_indirect_mapping_max_offset(vim));
+ }
+
+ zcb->zcb_removing_size +=
+ range_tree_space(svr->svr_allocd_segs);
+ range_tree_vacate(svr->svr_allocd_segs, claim_segment_cb, vd);
+ }
+
+ spa_config_exit(spa, SCL_CONFIG, FTAG);
+}
+
+/*
+ * vm_idxp is an in-out parameter which (for indirect vdevs) is the
+ * index in vim_entries that has the first entry in this metaslab. On
+ * return, it will be set to the first entry after this metaslab.
+ */
+static void
+zdb_leak_init_ms(metaslab_t *msp, uint64_t *vim_idxp)
+{
+ metaslab_group_t *mg = msp->ms_group;
+ vdev_t *vd = mg->mg_vd;
+ vdev_t *rvd = vd->vdev_spa->spa_root_vdev;
+
+ mutex_enter(&msp->ms_lock);
+ metaslab_unload(msp);
+
+ /*
+ * We don't want to spend the CPU manipulating the size-ordered
+ * tree, so clear the range_tree ops.
+ */
+ msp->ms_tree->rt_ops = NULL;
+
+ (void) fprintf(stderr,
+ "\rloading vdev %llu of %llu, metaslab %llu of %llu ...",
+ (longlong_t)vd->vdev_id,
+ (longlong_t)rvd->vdev_children,
+ (longlong_t)msp->ms_id,
+ (longlong_t)vd->vdev_ms_count);
+
+ /*
+ * For leak detection, we overload the metaslab ms_tree to
+ * contain allocated segments instead of free segments. As a
+ * result, we can't use the normal metaslab_load/unload
+ * interfaces.
+ */
+ if (vd->vdev_ops == &vdev_indirect_ops) {
+ vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
+ for (; *vim_idxp < vdev_indirect_mapping_num_entries(vim);
+ (*vim_idxp)++) {
+ vdev_indirect_mapping_entry_phys_t *vimep =
+ &vim->vim_entries[*vim_idxp];
+ uint64_t ent_offset = DVA_MAPPING_GET_SRC_OFFSET(vimep);
+ uint64_t ent_len = DVA_GET_ASIZE(&vimep->vimep_dst);
+ ASSERT3U(ent_offset, >=, msp->ms_start);
+ if (ent_offset >= msp->ms_start + msp->ms_size)
+ break;
+
+ /*
+ * Mappings do not cross metaslab boundaries,
+ * because we create them by walking the metaslabs.
+ */
+ ASSERT3U(ent_offset + ent_len, <=,
+ msp->ms_start + msp->ms_size);
+ range_tree_add(msp->ms_tree, ent_offset, ent_len);
+ }
+ } else if (msp->ms_sm != NULL) {
+ VERIFY0(space_map_load(msp->ms_sm, msp->ms_tree, SM_ALLOC));
+ }
+
+ if (!msp->ms_loaded) {
+ msp->ms_loaded = B_TRUE;
+ }
+ mutex_exit(&msp->ms_lock);
+}
+
+/* ARGSUSED */
+static int
+increment_indirect_mapping_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
+{
+ zdb_cb_t *zcb = arg;
+ spa_t *spa = zcb->zcb_spa;
+ vdev_t *vd;
+ const dva_t *dva = &bp->blk_dva[0];
+
+ ASSERT(!dump_opt['L']);
+ ASSERT3U(BP_GET_NDVAS(bp), ==, 1);
+
+ spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
+ vd = vdev_lookup_top(zcb->zcb_spa, DVA_GET_VDEV(dva));
+ ASSERT3P(vd, !=, NULL);
+ spa_config_exit(spa, SCL_VDEV, FTAG);
+
+ ASSERT(vd->vdev_indirect_config.vic_mapping_object != 0);
+ ASSERT3P(zcb->zcb_vd_obsolete_counts[vd->vdev_id], !=, NULL);
+
+ vdev_indirect_mapping_increment_obsolete_count(
+ vd->vdev_indirect_mapping,
+ DVA_GET_OFFSET(dva), DVA_GET_ASIZE(dva),
+ zcb->zcb_vd_obsolete_counts[vd->vdev_id]);
+
+ return (0);
+}
+
+static uint32_t *
+zdb_load_obsolete_counts(vdev_t *vd)
+{
+ vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
+ spa_t *spa = vd->vdev_spa;
+ spa_condensing_indirect_phys_t *scip =
+ &spa->spa_condensing_indirect_phys;
+ uint32_t *counts;
+
+ EQUIV(vdev_obsolete_sm_object(vd) != 0, vd->vdev_obsolete_sm != NULL);
+ counts = vdev_indirect_mapping_load_obsolete_counts(vim);
+ if (vd->vdev_obsolete_sm != NULL) {
+ vdev_indirect_mapping_load_obsolete_spacemap(vim, counts,
+ vd->vdev_obsolete_sm);
+ }
+ if (scip->scip_vdev == vd->vdev_id &&
+ scip->scip_prev_obsolete_sm_object != 0) {
+ space_map_t *prev_obsolete_sm = NULL;
+ VERIFY0(space_map_open(&prev_obsolete_sm, spa->spa_meta_objset,
+ scip->scip_prev_obsolete_sm_object, 0, vd->vdev_asize, 0));
+ space_map_update(prev_obsolete_sm);
+ vdev_indirect_mapping_load_obsolete_spacemap(vim, counts,
+ prev_obsolete_sm);
+ space_map_close(prev_obsolete_sm);
+ }
+ return (counts);
+}
+
static void
zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
{
zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
{
zcb->zcb_spa = spa;
- uint64_t c, m;
+ uint64_t c;
if (!dump_opt['L']) {
+ dsl_pool_t *dp = spa->spa_dsl_pool;
vdev_t *rvd = spa->spa_root_vdev;
/*
spa->spa_normal_class->mc_ops = &zdb_metaslab_ops;
spa->spa_log_class->mc_ops = &zdb_metaslab_ops;
+ zcb->zcb_vd_obsolete_counts =
+ umem_zalloc(rvd->vdev_children * sizeof (uint32_t *),
+ UMEM_NOFAIL);
+
for (c = 0; c < rvd->vdev_children; c++) {
vdev_t *vd = rvd->vdev_child[c];
- ASSERTV(metaslab_group_t *mg = vd->vdev_mg);
- for (m = 0; m < vd->vdev_ms_count; m++) {
- metaslab_t *msp = vd->vdev_ms[m];
- ASSERT3P(msp->ms_group, ==, mg);
- mutex_enter(&msp->ms_lock);
- metaslab_unload(msp);
+ uint64_t vim_idx = 0;
+
+ ASSERT3U(c, ==, vd->vdev_id);
+
+ /*
+ * Note: we don't check for mapping leaks on
+ * removing vdevs because their ms_tree's are
+ * used to look for leaks in allocated space.
+ */
+ if (vd->vdev_ops == &vdev_indirect_ops) {
+ zcb->zcb_vd_obsolete_counts[c] =
+ zdb_load_obsolete_counts(vd);
/*
- * For leak detection, we overload the metaslab
- * ms_tree to contain allocated segments
- * instead of free segments. As a result,
- * we can't use the normal metaslab_load/unload
- * interfaces.
+ * Normally, indirect vdevs don't have any
+ * metaslabs. We want to set them up for
+ * zio_claim().
*/
- if (msp->ms_sm != NULL) {
- (void) fprintf(stderr,
- "\rloading space map for "
- "vdev %llu of %llu, "
- "metaslab %llu of %llu ...",
- (longlong_t)c,
- (longlong_t)rvd->vdev_children,
- (longlong_t)m,
- (longlong_t)vd->vdev_ms_count);
-
- /*
- * We don't want to spend the CPU
- * manipulating the size-ordered
- * tree, so clear the range_tree
- * ops.
- */
- msp->ms_tree->rt_ops = NULL;
- VERIFY0(space_map_load(msp->ms_sm,
- msp->ms_tree, SM_ALLOC));
-
- if (!msp->ms_loaded)
- msp->ms_loaded = B_TRUE;
- }
- mutex_exit(&msp->ms_lock);
+ VERIFY0(vdev_metaslab_init(vd, 0));
+ }
+
+ for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
+ zdb_leak_init_ms(vd->vdev_ms[m], &vim_idx);
+ }
+ if (vd->vdev_ops == &vdev_indirect_ops) {
+ ASSERT3U(vim_idx, ==,
+ vdev_indirect_mapping_num_entries(
+ vd->vdev_indirect_mapping));
}
}
(void) fprintf(stderr, "\n");
+
+ if (bpobj_is_open(&dp->dp_obsolete_bpobj)) {
+ ASSERT(spa_feature_is_enabled(spa,
+ SPA_FEATURE_DEVICE_REMOVAL));
+ (void) bpobj_iterate_nofree(&dp->dp_obsolete_bpobj,
+ increment_indirect_mapping_cb, zcb, NULL);
+ }
}
spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
spa_config_exit(spa, SCL_CONFIG, FTAG);
}
-static void
-zdb_leak_fini(spa_t *spa)
+static boolean_t
+zdb_check_for_obsolete_leaks(vdev_t *vd, zdb_cb_t *zcb)
{
+ boolean_t leaks = B_FALSE;
+ vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
+ uint64_t total_leaked = 0;
+
+ ASSERT(vim != NULL);
+
+ for (uint64_t i = 0; i < vdev_indirect_mapping_num_entries(vim); i++) {
+ vdev_indirect_mapping_entry_phys_t *vimep =
+ &vim->vim_entries[i];
+ uint64_t obsolete_bytes = 0;
+ uint64_t offset = DVA_MAPPING_GET_SRC_OFFSET(vimep);
+ metaslab_t *msp = vd->vdev_ms[offset >> vd->vdev_ms_shift];
+
+ /*
+ * This is not very efficient but it's easy to
+ * verify correctness.
+ */
+ for (uint64_t inner_offset = 0;
+ inner_offset < DVA_GET_ASIZE(&vimep->vimep_dst);
+ inner_offset += 1 << vd->vdev_ashift) {
+ if (range_tree_contains(msp->ms_tree,
+ offset + inner_offset, 1 << vd->vdev_ashift)) {
+ obsolete_bytes += 1 << vd->vdev_ashift;
+ }
+ }
+
+ int64_t bytes_leaked = obsolete_bytes -
+ zcb->zcb_vd_obsolete_counts[vd->vdev_id][i];
+ ASSERT3U(DVA_GET_ASIZE(&vimep->vimep_dst), >=,
+ zcb->zcb_vd_obsolete_counts[vd->vdev_id][i]);
+ if (bytes_leaked != 0 &&
+ (vdev_obsolete_counts_are_precise(vd) ||
+ dump_opt['d'] >= 5)) {
+ (void) printf("obsolete indirect mapping count "
+ "mismatch on %llu:%llx:%llx : %llx bytes leaked\n",
+ (u_longlong_t)vd->vdev_id,
+ (u_longlong_t)DVA_MAPPING_GET_SRC_OFFSET(vimep),
+ (u_longlong_t)DVA_GET_ASIZE(&vimep->vimep_dst),
+ (u_longlong_t)bytes_leaked);
+ }
+ total_leaked += ABS(bytes_leaked);
+ }
+
+ if (!vdev_obsolete_counts_are_precise(vd) && total_leaked > 0) {
+ int pct_leaked = total_leaked * 100 /
+ vdev_indirect_mapping_bytes_mapped(vim);
+ (void) printf("cannot verify obsolete indirect mapping "
+ "counts of vdev %llu because precise feature was not "
+ "enabled when it was removed: %d%% (%llx bytes) of mapping"
+ "unreferenced\n",
+ (u_longlong_t)vd->vdev_id, pct_leaked,
+ (u_longlong_t)total_leaked);
+ } else if (total_leaked > 0) {
+ (void) printf("obsolete indirect mapping count mismatch "
+ "for vdev %llu -- %llx total bytes mismatched\n",
+ (u_longlong_t)vd->vdev_id,
+ (u_longlong_t)total_leaked);
+ leaks |= B_TRUE;
+ }
+
+ vdev_indirect_mapping_free_obsolete_counts(vim,
+ zcb->zcb_vd_obsolete_counts[vd->vdev_id]);
+ zcb->zcb_vd_obsolete_counts[vd->vdev_id] = NULL;
+
+ return (leaks);
+}
+
+static boolean_t
+zdb_leak_fini(spa_t *spa, zdb_cb_t *zcb)
+{
+ boolean_t leaks = B_FALSE;
if (!dump_opt['L']) {
vdev_t *rvd = spa->spa_root_vdev;
for (unsigned c = 0; c < rvd->vdev_children; c++) {
vdev_t *vd = rvd->vdev_child[c];
ASSERTV(metaslab_group_t *mg = vd->vdev_mg);
- for (unsigned m = 0; m < vd->vdev_ms_count; m++) {
+
+ if (zcb->zcb_vd_obsolete_counts[c] != NULL) {
+ leaks |= zdb_check_for_obsolete_leaks(vd, zcb);
+ }
+
+ for (uint64_t m = 0; m < vd->vdev_ms_count; m++) {
metaslab_t *msp = vd->vdev_ms[m];
ASSERT3P(mg, ==, msp->ms_group);
- mutex_enter(&msp->ms_lock);
/*
* The ms_tree has been overloaded to
* represents an allocated block that we
* did not claim during the traversal.
* Claimed blocks would have been removed
- * from the ms_tree.
+ * from the ms_tree. For indirect vdevs,
+ * space remaining in the tree represents
+ * parts of the mapping that are not
+ * referenced, which is not a bug.
*/
- range_tree_vacate(msp->ms_tree, zdb_leak, vd);
+ if (vd->vdev_ops == &vdev_indirect_ops) {
+ range_tree_vacate(msp->ms_tree,
+ NULL, NULL);
+ } else {
+ range_tree_vacate(msp->ms_tree,
+ zdb_leak, vd);
+ }
if (msp->ms_loaded)
msp->ms_loaded = B_FALSE;
-
- mutex_exit(&msp->ms_lock);
}
}
+
+ umem_free(zcb->zcb_vd_obsolete_counts,
+ rvd->vdev_children * sizeof (uint32_t *));
+ zcb->zcb_vd_obsolete_counts = NULL;
}
+ return (leaks);
}
/* ARGSUSED */
*/
(void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
count_block_cb, &zcb, NULL);
+
if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
(void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
count_block_cb, &zcb, NULL);
}
+
+ zdb_claim_removing(spa, &zcb);
+
if (spa_feature_is_active(spa, SPA_FEATURE_ASYNC_DESTROY)) {
VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset,
spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb,
/*
* Report any leaked segments.
*/
- zdb_leak_fini(spa);
+ leaks |= zdb_leak_fini(spa, &zcb);
tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
norm_space = metaslab_class_get_space(spa_normal_class(spa));
total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
- total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
+ total_found = tzb->zb_asize - zcb.zcb_dedup_asize +
+ zcb.zcb_removing_size;
if (total_found == total_alloc) {
if (!dump_opt['L'])
(longlong_t)tzb->zb_ditto_samevdev);
}
+ for (uint64_t v = 0; v < spa->spa_root_vdev->vdev_children; v++) {
+ vdev_t *vd = spa->spa_root_vdev->vdev_child[v];
+ vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;
+
+ if (vim == NULL) {
+ continue;
+ }
+
+ char mem[32];
+ zdb_nicenum(vdev_indirect_mapping_num_entries(vim),
+ mem, vdev_indirect_mapping_size(vim));
+
+ (void) printf("\tindirect vdev id %llu has %llu segments "
+ "(%s in memory)\n",
+ (longlong_t)vd->vdev_id,
+ (longlong_t)vdev_indirect_mapping_num_entries(vim), mem);
+ }
+
if (dump_opt['b'] >= 2) {
int l, t, level;
(void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
dump_dedup_ratio(&dds_total);
}
+static int
+verify_device_removal_feature_counts(spa_t *spa)
+{
+ uint64_t dr_feature_refcount = 0;
+ uint64_t oc_feature_refcount = 0;
+ uint64_t indirect_vdev_count = 0;
+ uint64_t precise_vdev_count = 0;
+ uint64_t obsolete_counts_object_count = 0;
+ uint64_t obsolete_sm_count = 0;
+ uint64_t obsolete_counts_count = 0;
+ uint64_t scip_count = 0;
+ uint64_t obsolete_bpobj_count = 0;
+ int ret = 0;
+
+ spa_condensing_indirect_phys_t *scip =
+ &spa->spa_condensing_indirect_phys;
+ if (scip->scip_next_mapping_object != 0) {
+ vdev_t *vd = spa->spa_root_vdev->vdev_child[scip->scip_vdev];
+ ASSERT(scip->scip_prev_obsolete_sm_object != 0);
+ ASSERT3P(vd->vdev_ops, ==, &vdev_indirect_ops);
+
+ (void) printf("Condensing indirect vdev %llu: new mapping "
+ "object %llu, prev obsolete sm %llu\n",
+ (u_longlong_t)scip->scip_vdev,
+ (u_longlong_t)scip->scip_next_mapping_object,
+ (u_longlong_t)scip->scip_prev_obsolete_sm_object);
+ if (scip->scip_prev_obsolete_sm_object != 0) {
+ space_map_t *prev_obsolete_sm = NULL;
+ VERIFY0(space_map_open(&prev_obsolete_sm,
+ spa->spa_meta_objset,
+ scip->scip_prev_obsolete_sm_object,
+ 0, vd->vdev_asize, 0));
+ space_map_update(prev_obsolete_sm);
+ dump_spacemap(spa->spa_meta_objset, prev_obsolete_sm);
+ (void) printf("\n");
+ space_map_close(prev_obsolete_sm);
+ }
+
+ scip_count += 2;
+ }
+
+ for (uint64_t i = 0; i < spa->spa_root_vdev->vdev_children; i++) {
+ vdev_t *vd = spa->spa_root_vdev->vdev_child[i];
+ vdev_indirect_config_t *vic = &vd->vdev_indirect_config;
+
+ if (vic->vic_mapping_object != 0) {
+ ASSERT(vd->vdev_ops == &vdev_indirect_ops ||
+ vd->vdev_removing);
+ indirect_vdev_count++;
+
+ if (vd->vdev_indirect_mapping->vim_havecounts) {
+ obsolete_counts_count++;
+ }
+ }
+ if (vdev_obsolete_counts_are_precise(vd)) {
+ ASSERT(vic->vic_mapping_object != 0);
+ precise_vdev_count++;
+ }
+ if (vdev_obsolete_sm_object(vd) != 0) {
+ ASSERT(vic->vic_mapping_object != 0);
+ obsolete_sm_count++;
+ }
+ }
+
+ (void) feature_get_refcount(spa,
+ &spa_feature_table[SPA_FEATURE_DEVICE_REMOVAL],
+ &dr_feature_refcount);
+ (void) feature_get_refcount(spa,
+ &spa_feature_table[SPA_FEATURE_OBSOLETE_COUNTS],
+ &oc_feature_refcount);
+
+ if (dr_feature_refcount != indirect_vdev_count) {
+ ret = 1;
+ (void) printf("Number of indirect vdevs (%llu) " \
+ "does not match feature count (%llu)\n",
+ (u_longlong_t)indirect_vdev_count,
+ (u_longlong_t)dr_feature_refcount);
+ } else {
+ (void) printf("Verified device_removal feature refcount " \
+ "of %llu is correct\n",
+ (u_longlong_t)dr_feature_refcount);
+ }
+
+ if (zap_contains(spa_meta_objset(spa), DMU_POOL_DIRECTORY_OBJECT,
+ DMU_POOL_OBSOLETE_BPOBJ) == 0) {
+ obsolete_bpobj_count++;
+ }
+
+
+ obsolete_counts_object_count = precise_vdev_count;
+ obsolete_counts_object_count += obsolete_sm_count;
+ obsolete_counts_object_count += obsolete_counts_count;
+ obsolete_counts_object_count += scip_count;
+ obsolete_counts_object_count += obsolete_bpobj_count;
+ obsolete_counts_object_count += remap_deadlist_count;
+
+ if (oc_feature_refcount != obsolete_counts_object_count) {
+ ret = 1;
+ (void) printf("Number of obsolete counts objects (%llu) " \
+ "does not match feature count (%llu)\n",
+ (u_longlong_t)obsolete_counts_object_count,
+ (u_longlong_t)oc_feature_refcount);
+ (void) printf("pv:%llu os:%llu oc:%llu sc:%llu "
+ "ob:%llu rd:%llu\n",
+ (u_longlong_t)precise_vdev_count,
+ (u_longlong_t)obsolete_sm_count,
+ (u_longlong_t)obsolete_counts_count,
+ (u_longlong_t)scip_count,
+ (u_longlong_t)obsolete_bpobj_count,
+ (u_longlong_t)remap_deadlist_count);
+ } else {
+ (void) printf("Verified indirect_refcount feature refcount " \
+ "of %llu is correct\n",
+ (u_longlong_t)oc_feature_refcount);
+ }
+ return (ret);
+}
+
static void
dump_zpool(spa_t *spa)
{
dump_dir(dp->dp_meta_objset);
if (dump_opt['d'] >= 3) {
+ dsl_pool_t *dp = spa->spa_dsl_pool;
dump_full_bpobj(&spa->spa_deferred_bpobj,
"Deferred frees", 0);
if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
- dump_full_bpobj(
- &spa->spa_dsl_pool->dp_free_bpobj,
+ dump_full_bpobj(&dp->dp_free_bpobj,
"Pool snapshot frees", 0);
}
+ if (bpobj_is_open(&dp->dp_obsolete_bpobj)) {
+ ASSERT(spa_feature_is_enabled(spa,
+ SPA_FEATURE_DEVICE_REMOVAL));
+ dump_full_bpobj(&dp->dp_obsolete_bpobj,
+ "Pool obsolete blocks", 0);
+ }
if (spa_feature_is_active(spa,
SPA_FEATURE_ASYNC_DESTROY)) {
dump_bptree(spa->spa_meta_objset,
- spa->spa_dsl_pool->dp_bptree_obj,
+ dp->dp_bptree_obj,
"Pool dataset frees");
}
dump_dtl(spa->spa_root_vdev, 0);
(longlong_t)refcount);
}
}
+
+ if (rc == 0) {
+ rc = verify_device_removal_feature_counts(spa);
+ }
}
if (rc == 0 && (dump_opt['b'] || dump_opt['c']))
rc = dump_block_stats(spa);
psize, ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
- ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
+ ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW | ZIO_FLAG_OPTIONAL,
+ NULL, NULL));
}
error = zio_wait(zio);
projects / mirror_zfs.git / blobdiff