diff options
Diffstat (limited to 'cmd/zdb/zdb.c')
-rw-r--r-- | cmd/zdb/zdb.c | 138 |
1 files changed, 100 insertions, 38 deletions
diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c index 455e78a75..4edb8c0a6 100644 --- a/cmd/zdb/zdb.c +++ b/cmd/zdb/zdb.c @@ -19,7 +19,7 @@ * CDDL HEADER END */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved. + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -102,7 +102,9 @@ usage(void) (void) fprintf(stderr, " -C cached pool configuration\n"); (void) fprintf(stderr, " -i intent logs\n"); (void) fprintf(stderr, " -b block statistics\n"); - (void) fprintf(stderr, " -c checksum all data blocks\n"); + (void) fprintf(stderr, " -m metaslabs\n"); + (void) fprintf(stderr, " -c checksum all metadata (twice for " + "all data) blocks\n"); (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); (void) fprintf(stderr, " -S <user|all>:<cksum_alg|all> -- " "dump blkptr signatures\n"); @@ -125,6 +127,11 @@ usage(void) exit(1); } +/* + * Called for usage errors that are discovered after a call to spa_open(), + * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. + */ + static void fatal(const char *fmt, ...) { @@ -136,7 +143,7 @@ fatal(const char *fmt, ...) va_end(ap); (void) fprintf(stderr, "\n"); - abort(); + exit(1); } static void @@ -209,7 +216,7 @@ dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) size_t nvsize = *(uint64_t *)data; char *packed = umem_alloc(nvsize, UMEM_NOFAIL); - VERIFY(0 == dmu_read(os, object, 0, nvsize, packed)); + VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); @@ -435,7 +442,7 @@ dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) alloc = 0; for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { VERIFY(0 == dmu_read(os, smo->smo_object, offset, - sizeof (entry), &entry)); + sizeof (entry), &entry, DMU_READ_PREFETCH)); if (SM_DEBUG_DECODE(entry)) { (void) printf("\t\t[%4llu] %s: txg %llu, pass %llu\n", (u_longlong_t)(offset / sizeof (entry)), @@ -467,6 +474,21 @@ dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) } static void +dump_metaslab_stats(metaslab_t *msp) +{ + char maxbuf[5]; + space_map_t *sm = &msp->ms_map; + avl_tree_t *t = sm->sm_pp_root; + int free_pct = sm->sm_space * 100 / sm->sm_size; + + nicenum(space_map_maxsize(sm), maxbuf); + + (void) printf("\t %20s %10lu %7s %6s %4s %4d%%\n", + "segments", avl_numnodes(t), "maxsize", maxbuf, + "freepct", free_pct); +} + +static void dump_metaslab(metaslab_t *msp) { char freebuf[5]; @@ -476,22 +498,28 @@ dump_metaslab(metaslab_t *msp) nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf); - if (dump_opt['d'] <= 5) { - (void) printf("\t%10llx %10llu %5s\n", - (u_longlong_t)msp->ms_map.sm_start, - (u_longlong_t)smo->smo_object, - freebuf); - return; - } - (void) printf( - "\tvdev %llu offset %08llx spacemap %4llu free %5s\n", + "\tvdev %5llu offset %12llx spacemap %6llu free %5s\n", (u_longlong_t)vd->vdev_id, (u_longlong_t)msp->ms_map.sm_start, (u_longlong_t)smo->smo_object, freebuf); - ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift)); + if (dump_opt['m'] > 1) { + mutex_enter(&msp->ms_lock); + VERIFY(space_map_load(&msp->ms_map, zfs_metaslab_ops, + SM_FREE, &msp->ms_smo, spa->spa_meta_objset) == 0); + dump_metaslab_stats(msp); + space_map_unload(&msp->ms_map); + mutex_exit(&msp->ms_lock); + } + + if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { + ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift)); + + mutex_enter(&msp->ms_lock); + dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map); + mutex_exit(&msp->ms_lock); + } - dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map); } static void @@ -506,14 +534,12 @@ dump_metaslabs(spa_t *spa) for (c = 0; c < rvd->vdev_children; c++) { vd = rvd->vdev_child[c]; - (void) printf("\n vdev %llu\n\n", (u_longlong_t)vd->vdev_id); + (void) printf("\t%-10s %-19s %-15s %-10s\n", + "vdev", "offset", "spacemap", "free"); + (void) printf("\t%10s %19s %15s %10s\n", + "----------", "-------------------", + "---------------", "-------------"); - if (dump_opt['d'] <= 5) { - (void) printf("\t%10s %10s %5s\n", - "offset", "spacemap", "free"); - (void) printf("\t%10s %10s %5s\n", - "------", "--------", "----"); - } for (m = 0; m < vd->vdev_ms_count; m++) dump_metaslab(vd->vdev_ms[m]); (void) printf("\n"); @@ -917,6 +943,7 @@ dump_uidgid(objset_t *os, znode_phys_t *zp) /* first find the fuid object. It lives in the master node */ VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 8, 1, &fuid_obj) == 0); + zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); (void) zfs_fuid_table_load(os, fuid_obj, &idx_tree, &domain_tree); fuid_table_loaded = B_TRUE; @@ -1020,6 +1047,8 @@ static object_viewer_t *object_viewer[DMU_OT_NUMTYPES] = { dump_packed_nvlist, /* FUID nvlist size */ dump_zap, /* DSL dataset next clones */ dump_zap, /* DSL scrub queue */ + dump_zap, /* ZFS user/group used */ + dump_zap, /* ZFS user/group quota */ }; static void @@ -1083,6 +1112,14 @@ dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) } if (verbosity >= 4) { + (void) printf("\tdnode flags: %s%s\n", + (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? + "USED_BYTES " : "", + (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? + "USERUSED_ACCOUNTED " : ""); + (void) printf("\tdnode maxblkid: %llu\n", + (longlong_t)dn->dn_phys->dn_maxblkid); + object_viewer[doi.doi_bonus_type](os, object, bonus, bsize); object_viewer[doi.doi_type](os, object, NULL, 0); *print_header = 1; @@ -1137,7 +1174,7 @@ dump_dir(objset_t *os) uint64_t object, object_count; uint64_t refdbytes, usedobjs, scratch; char numbuf[8]; - char blkbuf[BP_SPRINTF_LEN]; + char blkbuf[BP_SPRINTF_LEN + 20]; char osname[MAXNAMELEN]; char *type = "UNKNOWN"; int verbosity = dump_opt['d']; @@ -1163,8 +1200,8 @@ dump_dir(objset_t *os) nicenum(refdbytes, numbuf); if (verbosity >= 4) { - (void) strcpy(blkbuf, ", rootbp "); - sprintf_blkptr(blkbuf + strlen(blkbuf), + (void) sprintf(blkbuf + strlen(blkbuf), ", rootbp "); + (void) sprintf_blkptr(blkbuf + strlen(blkbuf), BP_SPRINTF_LEN - strlen(blkbuf), os->os->os_rootbp); } else { blkbuf[0] = '\0'; @@ -1199,7 +1236,12 @@ dump_dir(objset_t *os) } dump_object(os, 0, verbosity, &print_header); - object_count = 1; + object_count = 0; + if (os->os->os_userused_dnode && + os->os->os_userused_dnode->dn_type != 0) { + dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); + dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); + } object = 0; while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { @@ -1211,8 +1253,10 @@ dump_dir(objset_t *os) (void) printf("\n"); - if (error != ESRCH) - fatal("dmu_object_next() = %d", error); + if (error != ESRCH) { + (void) fprintf(stderr, "dmu_object_next() = %d\n", error); + abort(); + } } static void @@ -1395,7 +1439,8 @@ static space_map_ops_t zdb_space_map_ops = { zdb_space_map_unload, NULL, /* alloc */ zdb_space_map_claim, - NULL /* free */ + NULL, /* free */ + NULL /* maxsize */ }; static void @@ -1505,13 +1550,25 @@ zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb, { zdb_cb_t *zcb = arg; char blkbuf[BP_SPRINTF_LEN]; + dmu_object_type_t type; + boolean_t is_l0_metadata; if (bp == NULL) return (0); - zdb_count_block(spa, zcb, bp, BP_GET_TYPE(bp)); + type = BP_GET_TYPE(bp); + + zdb_count_block(spa, zcb, bp, type); - if (dump_opt['c'] || dump_opt['S']) { + /* + * if we do metadata-only checksumming there's no need to checksum + * indirect blocks here because it is done during traverse + */ + is_l0_metadata = (BP_GET_LEVEL(bp) == 0 && type < DMU_OT_NUMTYPES && + dmu_ot[type].ot_metadata); + + if (dump_opt['c'] > 1 || dump_opt['S'] || + (dump_opt['c'] && is_l0_metadata)) { int ioerr, size; void *data; @@ -1523,7 +1580,7 @@ zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb, free(data); /* We expect io errors on intent log */ - if (ioerr && BP_GET_TYPE(bp) != DMU_OT_INTENT_LOG) { + if (ioerr && type != DMU_OT_INTENT_LOG) { zcb->zcb_haderrors = 1; zcb->zcb_errors[ioerr]++; @@ -1571,8 +1628,9 @@ dump_block_stats(spa_t *spa) int c, e; if (!dump_opt['S']) { - (void) printf("\nTraversing all blocks %s%s%s%s...\n", + (void) printf("\nTraversing all blocks %s%s%s%s%s...\n", (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", + (dump_opt['c'] == 1) ? "metadata " : "", dump_opt['c'] ? "checksums " : "", (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", !dump_opt['L'] ? "nothing leaked " : ""); @@ -1772,14 +1830,17 @@ dump_zpool(spa_t *spa) if (dump_opt['u']) dump_uberblock(&spa->spa_uberblock); - if (dump_opt['d'] || dump_opt['i']) { + if (dump_opt['d'] || dump_opt['i'] || dump_opt['m']) { dump_dir(dp->dp_meta_objset); if (dump_opt['d'] >= 3) { dump_bplist(dp->dp_meta_objset, spa->spa_sync_bplist_obj, "Deferred frees"); dump_dtl(spa->spa_root_vdev, 0); - dump_metaslabs(spa); } + + if (dump_opt['d'] >= 3 || dump_opt['m']) + dump_metaslabs(spa); + (void) dmu_objset_find(spa_name(spa), dump_one_dir, NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); } @@ -2255,13 +2316,14 @@ main(int argc, char **argv) dprintf_setup(&argc, argv); - while ((c = getopt(argc, argv, "udibcsvCLS:U:lRep:t:")) != -1) { + while ((c = getopt(argc, argv, "udibcmsvCLS:U:lRep:t:")) != -1) { switch (c) { case 'u': case 'd': case 'i': case 'b': case 'c': + case 'm': case 's': case 'C': case 'l': @@ -2397,7 +2459,7 @@ main(int argc, char **argv) } if (error == 0) - error = spa_import_faulted(argv[0], + error = spa_import_verbatim(argv[0], exported_conf, nvl); nvlist_free(nvl); |