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]
22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
26 #include <stdio_ext.h>
29 #include <sys/zfs_context.h>
31 #include <sys/spa_impl.h>
34 #include <sys/fs/zfs.h>
35 #include <sys/zfs_znode.h>
36 #include <sys/zfs_sa.h>
38 #include <sys/sa_impl.h>
40 #include <sys/vdev_impl.h>
41 #include <sys/metaslab_impl.h>
42 #include <sys/dmu_objset.h>
43 #include <sys/dsl_dir.h>
44 #include <sys/dsl_dataset.h>
45 #include <sys/dsl_pool.h>
48 #include <sys/zil_impl.h>
50 #include <sys/resource.h>
51 #include <sys/dmu_traverse.h>
52 #include <sys/zio_checksum.h>
53 #include <sys/zio_compress.h>
54 #include <sys/zfs_fuid.h>
60 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
61 zio_compress_table[(idx)].ci_name : "UNKNOWN")
62 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
63 zio_checksum_table[(idx)].ci_name : "UNKNOWN")
64 #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \
65 dmu_ot[(idx)].ot_name : "UNKNOWN")
66 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : DMU_OT_NUMTYPES)
69 extern int zfs_recover;
74 const char cmdname[] = "zdb";
75 uint8_t dump_opt[256];
77 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
79 extern void dump_intent_log(zilog_t *);
80 uint64_t *zopt_object = NULL;
82 libzfs_handle_t *g_zfs;
85 * These libumem hooks provide a reasonable set of defaults for the allocator's
86 * debugging facilities.
89 _umem_debug_init(void)
91 return ("default,verbose"); /* $UMEM_DEBUG setting */
95 _umem_logging_init(void)
97 return ("fail,contents"); /* $UMEM_LOGGING setting */
103 (void) fprintf(stderr,
104 "Usage: %s [-CumdibcsDvhL] poolname [object...]\n"
105 " %s [-div] dataset [object...]\n"
106 " %s -m [-L] poolname [vdev [metaslab...]]\n"
107 " %s -R poolname vdev:offset:size[:flags]\n"
109 " %s -l [-u] device\n"
111 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
113 (void) fprintf(stderr, " Dataset name must include at least one "
114 "separator character '/' or '@'\n");
115 (void) fprintf(stderr, " If dataset name is specified, only that "
116 "dataset is dumped\n");
117 (void) fprintf(stderr, " If object numbers are specified, only "
118 "those objects are dumped\n\n");
119 (void) fprintf(stderr, " Options to control amount of output:\n");
120 (void) fprintf(stderr, " -u uberblock\n");
121 (void) fprintf(stderr, " -d dataset(s)\n");
122 (void) fprintf(stderr, " -i intent logs\n");
123 (void) fprintf(stderr, " -C config (or cachefile if alone)\n");
124 (void) fprintf(stderr, " -h pool history\n");
125 (void) fprintf(stderr, " -b block statistics\n");
126 (void) fprintf(stderr, " -m metaslabs\n");
127 (void) fprintf(stderr, " -c checksum all metadata (twice for "
128 "all data) blocks\n");
129 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
130 (void) fprintf(stderr, " -D dedup statistics\n");
131 (void) fprintf(stderr, " -S simulate dedup to measure effect\n");
132 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
133 (void) fprintf(stderr, " -l dump label contents\n");
134 (void) fprintf(stderr, " -L disable leak tracking (do not "
135 "load spacemaps)\n");
136 (void) fprintf(stderr, " -R read and display block from a "
138 (void) fprintf(stderr, " Below options are intended for use "
139 "with other options (except -l):\n");
140 (void) fprintf(stderr, " -A ignore assertions (-A), enable "
141 "panic recovery (-AA) or both (-AAA)\n");
142 (void) fprintf(stderr, " -F attempt automatic rewind within "
143 "safe range of transaction groups\n");
144 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate "
146 (void) fprintf(stderr, " -X attempt extreme rewind (does not "
147 "work with dataset)\n");
148 (void) fprintf(stderr, " -e pool is exported/destroyed/"
149 "has altroot/not in a cachefile\n");
150 (void) fprintf(stderr, " -p <path> -- use one or more with "
151 "-e to specify path to vdev dir\n");
152 (void) fprintf(stderr, " -P print numbers parsable\n");
153 (void) fprintf(stderr, " -t <txg> -- highest txg to use when "
154 "searching for uberblocks\n");
155 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
156 "to make only that option verbose\n");
157 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
162 * Called for usage errors that are discovered after a call to spa_open(),
163 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
167 fatal(const char *fmt, ...)
172 (void) fprintf(stderr, "%s: ", cmdname);
173 (void) vfprintf(stderr, fmt, ap);
175 (void) fprintf(stderr, "\n");
182 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
185 size_t nvsize = *(uint64_t *)data;
186 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
188 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
190 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
192 umem_free(packed, nvsize);
200 zdb_nicenum(uint64_t num, char *buf)
203 (void) sprintf(buf, "%llu", (longlong_t)num);
208 const char dump_zap_stars[] = "****************************************";
209 const int dump_zap_width = sizeof (dump_zap_stars) - 1;
212 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
215 int minidx = ZAP_HISTOGRAM_SIZE - 1;
219 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
222 if (histo[i] > 0 && i > maxidx)
224 if (histo[i] > 0 && i < minidx)
228 if (max < dump_zap_width)
229 max = dump_zap_width;
231 for (i = minidx; i <= maxidx; i++)
232 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
233 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
237 dump_zap_stats(objset_t *os, uint64_t object)
242 error = zap_get_stats(os, object, &zs);
246 if (zs.zs_ptrtbl_len == 0) {
247 ASSERT(zs.zs_num_blocks == 1);
248 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
249 (u_longlong_t)zs.zs_blocksize,
250 (u_longlong_t)zs.zs_num_entries);
254 (void) printf("\tFat ZAP stats:\n");
256 (void) printf("\t\tPointer table:\n");
257 (void) printf("\t\t\t%llu elements\n",
258 (u_longlong_t)zs.zs_ptrtbl_len);
259 (void) printf("\t\t\tzt_blk: %llu\n",
260 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
261 (void) printf("\t\t\tzt_numblks: %llu\n",
262 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
263 (void) printf("\t\t\tzt_shift: %llu\n",
264 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
265 (void) printf("\t\t\tzt_blks_copied: %llu\n",
266 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
267 (void) printf("\t\t\tzt_nextblk: %llu\n",
268 (u_longlong_t)zs.zs_ptrtbl_nextblk);
270 (void) printf("\t\tZAP entries: %llu\n",
271 (u_longlong_t)zs.zs_num_entries);
272 (void) printf("\t\tLeaf blocks: %llu\n",
273 (u_longlong_t)zs.zs_num_leafs);
274 (void) printf("\t\tTotal blocks: %llu\n",
275 (u_longlong_t)zs.zs_num_blocks);
276 (void) printf("\t\tzap_block_type: 0x%llx\n",
277 (u_longlong_t)zs.zs_block_type);
278 (void) printf("\t\tzap_magic: 0x%llx\n",
279 (u_longlong_t)zs.zs_magic);
280 (void) printf("\t\tzap_salt: 0x%llx\n",
281 (u_longlong_t)zs.zs_salt);
283 (void) printf("\t\tLeafs with 2^n pointers:\n");
284 dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
286 (void) printf("\t\tBlocks with n*5 entries:\n");
287 dump_zap_histogram(zs.zs_blocks_with_n5_entries);
289 (void) printf("\t\tBlocks n/10 full:\n");
290 dump_zap_histogram(zs.zs_blocks_n_tenths_full);
292 (void) printf("\t\tEntries with n chunks:\n");
293 dump_zap_histogram(zs.zs_entries_using_n_chunks);
295 (void) printf("\t\tBuckets with n entries:\n");
296 dump_zap_histogram(zs.zs_buckets_with_n_entries);
301 dump_none(objset_t *os, uint64_t object, void *data, size_t size)
307 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size)
309 (void) printf("\tUNKNOWN OBJECT TYPE\n");
314 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
320 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
326 dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
329 zap_attribute_t attr;
333 dump_zap_stats(os, object);
336 for (zap_cursor_init(&zc, os, object);
337 zap_cursor_retrieve(&zc, &attr) == 0;
338 zap_cursor_advance(&zc)) {
339 (void) printf("\t\t%s = ", attr.za_name);
340 if (attr.za_num_integers == 0) {
344 prop = umem_zalloc(attr.za_num_integers *
345 attr.za_integer_length, UMEM_NOFAIL);
346 (void) zap_lookup(os, object, attr.za_name,
347 attr.za_integer_length, attr.za_num_integers, prop);
348 if (attr.za_integer_length == 1) {
349 (void) printf("%s", (char *)prop);
351 for (i = 0; i < attr.za_num_integers; i++) {
352 switch (attr.za_integer_length) {
355 ((uint16_t *)prop)[i]);
359 ((uint32_t *)prop)[i]);
362 (void) printf("%lld ",
363 (u_longlong_t)((int64_t *)prop)[i]);
369 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
371 zap_cursor_fini(&zc);
376 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
378 dump_zap_stats(os, object);
379 /* contents are printed elsewhere, properly decoded */
384 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size)
387 zap_attribute_t attr;
389 dump_zap_stats(os, object);
392 for (zap_cursor_init(&zc, os, object);
393 zap_cursor_retrieve(&zc, &attr) == 0;
394 zap_cursor_advance(&zc)) {
395 (void) printf("\t\t%s = ", attr.za_name);
396 if (attr.za_num_integers == 0) {
400 (void) printf(" %llx : [%d:%d:%d]\n",
401 (u_longlong_t)attr.za_first_integer,
402 (int)ATTR_LENGTH(attr.za_first_integer),
403 (int)ATTR_BSWAP(attr.za_first_integer),
404 (int)ATTR_NUM(attr.za_first_integer));
406 zap_cursor_fini(&zc);
411 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size)
414 zap_attribute_t attr;
415 uint16_t *layout_attrs;
418 dump_zap_stats(os, object);
421 for (zap_cursor_init(&zc, os, object);
422 zap_cursor_retrieve(&zc, &attr) == 0;
423 zap_cursor_advance(&zc)) {
424 (void) printf("\t\t%s = [", attr.za_name);
425 if (attr.za_num_integers == 0) {
430 VERIFY(attr.za_integer_length == 2);
431 layout_attrs = umem_zalloc(attr.za_num_integers *
432 attr.za_integer_length, UMEM_NOFAIL);
434 VERIFY(zap_lookup(os, object, attr.za_name,
435 attr.za_integer_length,
436 attr.za_num_integers, layout_attrs) == 0);
438 for (i = 0; i != attr.za_num_integers; i++)
439 (void) printf(" %d ", (int)layout_attrs[i]);
440 (void) printf("]\n");
441 umem_free(layout_attrs,
442 attr.za_num_integers * attr.za_integer_length);
444 zap_cursor_fini(&zc);
449 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
452 zap_attribute_t attr;
453 const char *typenames[] = {
454 /* 0 */ "not specified",
456 /* 2 */ "Character Device",
457 /* 3 */ "3 (invalid)",
459 /* 5 */ "5 (invalid)",
460 /* 6 */ "Block Device",
461 /* 7 */ "7 (invalid)",
462 /* 8 */ "Regular File",
463 /* 9 */ "9 (invalid)",
464 /* 10 */ "Symbolic Link",
465 /* 11 */ "11 (invalid)",
468 /* 14 */ "Event Port",
469 /* 15 */ "15 (invalid)",
472 dump_zap_stats(os, object);
475 for (zap_cursor_init(&zc, os, object);
476 zap_cursor_retrieve(&zc, &attr) == 0;
477 zap_cursor_advance(&zc)) {
478 (void) printf("\t\t%s = %lld (type: %s)\n",
479 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
480 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
482 zap_cursor_fini(&zc);
486 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
488 uint64_t alloc, offset, entry;
489 uint8_t mapshift = sm->sm_shift;
490 uint64_t mapstart = sm->sm_start;
491 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
492 "INVALID", "INVALID", "INVALID", "INVALID" };
494 if (smo->smo_object == 0)
498 * Print out the freelist entries in both encoded and decoded form.
501 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
502 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset,
503 sizeof (entry), &entry, DMU_READ_PREFETCH));
504 if (SM_DEBUG_DECODE(entry)) {
505 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
506 (u_longlong_t)(offset / sizeof (entry)),
507 ddata[SM_DEBUG_ACTION_DECODE(entry)],
508 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
509 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
511 (void) printf("\t [%6llu] %c range:"
512 " %010llx-%010llx size: %06llx\n",
513 (u_longlong_t)(offset / sizeof (entry)),
514 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
515 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
516 mapshift) + mapstart),
517 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
518 mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
520 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
521 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
522 alloc += SM_RUN_DECODE(entry) << mapshift;
524 alloc -= SM_RUN_DECODE(entry) << mapshift;
527 if (alloc != smo->smo_alloc) {
528 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
529 "with space map summary (%llu)\n",
530 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
535 dump_metaslab_stats(metaslab_t *msp)
538 space_map_t *sm = &msp->ms_map;
539 avl_tree_t *t = sm->sm_pp_root;
540 int free_pct = sm->sm_space * 100 / sm->sm_size;
542 zdb_nicenum(space_map_maxsize(sm), maxbuf);
544 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
545 "segments", avl_numnodes(t), "maxsize", maxbuf,
546 "freepct", free_pct);
550 dump_metaslab(metaslab_t *msp)
552 vdev_t *vd = msp->ms_group->mg_vd;
553 spa_t *spa = vd->vdev_spa;
554 space_map_t *sm = &msp->ms_map;
555 space_map_obj_t *smo = &msp->ms_smo;
558 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf);
561 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
562 (u_longlong_t)(sm->sm_start / sm->sm_size),
563 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf);
565 if (dump_opt['m'] > 1 && !dump_opt['L']) {
566 mutex_enter(&msp->ms_lock);
567 space_map_load_wait(sm);
569 VERIFY(space_map_load(sm, zfs_metaslab_ops,
570 SM_FREE, smo, spa->spa_meta_objset) == 0);
571 dump_metaslab_stats(msp);
572 space_map_unload(sm);
573 mutex_exit(&msp->ms_lock);
576 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) {
577 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift));
579 mutex_enter(&msp->ms_lock);
580 dump_spacemap(spa->spa_meta_objset, smo, sm);
581 mutex_exit(&msp->ms_lock);
586 print_vdev_metaslab_header(vdev_t *vd)
588 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
589 (u_longlong_t)vd->vdev_id,
590 "metaslabs", (u_longlong_t)vd->vdev_ms_count,
591 "offset", "spacemap", "free");
592 (void) printf("\t%15s %19s %15s %10s\n",
593 "---------------", "-------------------",
594 "---------------", "-------------");
598 dump_metaslabs(spa_t *spa)
600 vdev_t *vd, *rvd = spa->spa_root_vdev;
601 uint64_t m, c = 0, children = rvd->vdev_children;
603 (void) printf("\nMetaslabs:\n");
605 if (!dump_opt['d'] && zopt_objects > 0) {
609 (void) fatal("bad vdev id: %llu", (u_longlong_t)c);
611 if (zopt_objects > 1) {
612 vd = rvd->vdev_child[c];
613 print_vdev_metaslab_header(vd);
615 for (m = 1; m < zopt_objects; m++) {
616 if (zopt_object[m] < vd->vdev_ms_count)
618 vd->vdev_ms[zopt_object[m]]);
620 (void) fprintf(stderr, "bad metaslab "
622 (u_longlong_t)zopt_object[m]);
629 for (; c < children; c++) {
630 vd = rvd->vdev_child[c];
631 print_vdev_metaslab_header(vd);
633 for (m = 0; m < vd->vdev_ms_count; m++)
634 dump_metaslab(vd->vdev_ms[m]);
640 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
642 const ddt_phys_t *ddp = dde->dde_phys;
643 const ddt_key_t *ddk = &dde->dde_key;
644 char *types[4] = { "ditto", "single", "double", "triple" };
645 char blkbuf[BP_SPRINTF_LEN];
649 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
650 if (ddp->ddp_phys_birth == 0)
652 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
653 sprintf_blkptr(blkbuf, &blk);
654 (void) printf("index %llx refcnt %llu %s %s\n",
655 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
661 dump_dedup_ratio(const ddt_stat_t *dds)
663 double rL, rP, rD, D, dedup, compress, copies;
665 if (dds->dds_blocks == 0)
668 rL = (double)dds->dds_ref_lsize;
669 rP = (double)dds->dds_ref_psize;
670 rD = (double)dds->dds_ref_dsize;
671 D = (double)dds->dds_dsize;
677 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
678 "dedup * compress / copies = %.2f\n\n",
679 dedup, compress, copies, dedup * compress / copies);
683 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
685 char name[DDT_NAMELEN];
688 dmu_object_info_t doi;
689 uint64_t count, dspace, mspace;
692 error = ddt_object_info(ddt, type, class, &doi);
698 if ((count = ddt_object_count(ddt, type, class)) == 0)
701 dspace = doi.doi_physical_blocks_512 << 9;
702 mspace = doi.doi_fill_count * doi.doi_data_block_size;
704 ddt_object_name(ddt, type, class, name);
706 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
709 (u_longlong_t)(dspace / count),
710 (u_longlong_t)(mspace / count));
712 if (dump_opt['D'] < 3)
715 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
717 if (dump_opt['D'] < 4)
720 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
723 (void) printf("%s contents:\n\n", name);
725 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
726 dump_dde(ddt, &dde, walk);
728 ASSERT(error == ENOENT);
734 dump_all_ddts(spa_t *spa)
736 ddt_histogram_t ddh_total;
737 ddt_stat_t dds_total;
740 enum ddt_class class;
742 bzero(&ddh_total, sizeof (ddt_histogram_t));
743 bzero(&dds_total, sizeof (ddt_stat_t));
745 for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
746 ddt_t *ddt = spa->spa_ddt[c];
747 for (type = 0; type < DDT_TYPES; type++) {
748 for (class = 0; class < DDT_CLASSES;
750 dump_ddt(ddt, type, class);
755 ddt_get_dedup_stats(spa, &dds_total);
757 if (dds_total.dds_blocks == 0) {
758 (void) printf("All DDTs are empty\n");
764 if (dump_opt['D'] > 1) {
765 (void) printf("DDT histogram (aggregated over all DDTs):\n");
766 ddt_get_dedup_histogram(spa, &ddh_total);
767 zpool_dump_ddt(&dds_total, &ddh_total);
770 dump_dedup_ratio(&dds_total);
774 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
776 char *prefix = (void *)sm;
778 (void) printf("%s [%llu,%llu) length %llu\n",
781 (u_longlong_t)(start + size),
782 (u_longlong_t)(size));
786 dump_dtl(vdev_t *vd, int indent)
788 spa_t *spa = vd->vdev_spa;
790 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
794 spa_vdev_state_enter(spa, SCL_NONE);
795 required = vdev_dtl_required(vd);
796 (void) spa_vdev_state_exit(spa, NULL, 0);
799 (void) printf("\nDirty time logs:\n\n");
801 (void) printf("\t%*s%s [%s]\n", indent, "",
802 vd->vdev_path ? vd->vdev_path :
803 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
804 required ? "DTL-required" : "DTL-expendable");
806 for (t = 0; t < DTL_TYPES; t++) {
807 space_map_t *sm = &vd->vdev_dtl[t];
808 if (sm->sm_space == 0)
810 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
811 indent + 2, "", name[t]);
812 mutex_enter(sm->sm_lock);
813 space_map_walk(sm, dump_dtl_seg, (void *)prefix);
814 mutex_exit(sm->sm_lock);
815 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
816 dump_spacemap(spa->spa_meta_objset,
817 &vd->vdev_dtl_smo, sm);
820 for (c = 0; c < vd->vdev_children; c++)
821 dump_dtl(vd->vdev_child[c], indent + 4);
825 dump_history(spa_t *spa)
827 nvlist_t **events = NULL;
828 char buf[SPA_MAXBLOCKSIZE];
829 uint64_t resid, len, off = 0;
835 char internalstr[MAXPATHLEN];
841 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
842 (void) fprintf(stderr, "Unable to read history: "
843 "error %d\n", error);
847 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
853 (void) printf("\nHistory:\n");
854 for (i = 0; i < num; i++) {
855 uint64_t time, txg, ievent;
858 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
861 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
863 if (nvlist_lookup_uint64(events[i],
864 ZPOOL_HIST_INT_EVENT, &ievent) != 0)
866 verify(nvlist_lookup_uint64(events[i],
867 ZPOOL_HIST_TXG, &txg) == 0);
868 verify(nvlist_lookup_string(events[i],
869 ZPOOL_HIST_INT_STR, &intstr) == 0);
870 if (ievent >= LOG_END)
873 (void) snprintf(internalstr,
874 sizeof (internalstr),
875 "[internal %s txg:%lld] %s",
876 zfs_history_event_names[ievent],
877 (longlong_t)txg, intstr);
881 (void) localtime_r(&tsec, &t);
882 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
883 (void) printf("%s %s\n", tbuf, cmd);
889 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
894 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb)
897 ASSERT(zb->zb_level < 0);
898 if (zb->zb_object == 0)
899 return (zb->zb_blkid);
900 return (zb->zb_blkid * BP_GET_LSIZE(bp));
903 ASSERT(zb->zb_level >= 0);
905 return ((zb->zb_blkid <<
906 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
907 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
911 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp)
913 const dva_t *dva = bp->blk_dva;
914 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
917 if (dump_opt['b'] >= 5) {
918 sprintf_blkptr(blkbuf, bp);
924 for (i = 0; i < ndvas; i++)
925 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
926 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
927 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
928 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
930 (void) sprintf(blkbuf + strlen(blkbuf),
931 "%llxL/%llxP F=%llu B=%llu/%llu",
932 (u_longlong_t)BP_GET_LSIZE(bp),
933 (u_longlong_t)BP_GET_PSIZE(bp),
934 (u_longlong_t)bp->blk_fill,
935 (u_longlong_t)bp->blk_birth,
936 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
940 print_indirect(blkptr_t *bp, const zbookmark_t *zb,
941 const dnode_phys_t *dnp)
943 char blkbuf[BP_SPRINTF_LEN];
946 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
947 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
949 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
951 ASSERT(zb->zb_level >= 0);
953 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
954 if (l == zb->zb_level) {
955 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
961 sprintf_blkptr_compact(blkbuf, bp);
962 (void) printf("%s\n", blkbuf);
966 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
967 blkptr_t *bp, const zbookmark_t *zb)
971 if (bp->blk_birth == 0)
974 print_indirect(bp, zb, dnp);
976 if (BP_GET_LEVEL(bp) > 0) {
977 uint32_t flags = ARC_WAIT;
980 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
984 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf,
985 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
990 /* recursively visit blocks below this */
992 for (i = 0; i < epb; i++, cbp++) {
995 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
997 zb->zb_blkid * epb + i);
998 err = visit_indirect(spa, dnp, cbp, &czb);
1001 fill += cbp->blk_fill;
1004 ASSERT3U(fill, ==, bp->blk_fill);
1005 (void) arc_buf_remove_ref(buf, &buf);
1013 dump_indirect(dnode_t *dn)
1015 dnode_phys_t *dnp = dn->dn_phys;
1019 (void) printf("Indirect blocks:\n");
1021 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
1022 dn->dn_object, dnp->dn_nlevels - 1, 0);
1023 for (j = 0; j < dnp->dn_nblkptr; j++) {
1025 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
1026 &dnp->dn_blkptr[j], &czb);
1029 (void) printf("\n");
1034 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1036 dsl_dir_phys_t *dd = data;
1043 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1045 crtime = dd->dd_creation_time;
1046 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1047 (void) printf("\t\thead_dataset_obj = %llu\n",
1048 (u_longlong_t)dd->dd_head_dataset_obj);
1049 (void) printf("\t\tparent_dir_obj = %llu\n",
1050 (u_longlong_t)dd->dd_parent_obj);
1051 (void) printf("\t\torigin_obj = %llu\n",
1052 (u_longlong_t)dd->dd_origin_obj);
1053 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1054 (u_longlong_t)dd->dd_child_dir_zapobj);
1055 zdb_nicenum(dd->dd_used_bytes, nice);
1056 (void) printf("\t\tused_bytes = %s\n", nice);
1057 zdb_nicenum(dd->dd_compressed_bytes, nice);
1058 (void) printf("\t\tcompressed_bytes = %s\n", nice);
1059 zdb_nicenum(dd->dd_uncompressed_bytes, nice);
1060 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
1061 zdb_nicenum(dd->dd_quota, nice);
1062 (void) printf("\t\tquota = %s\n", nice);
1063 zdb_nicenum(dd->dd_reserved, nice);
1064 (void) printf("\t\treserved = %s\n", nice);
1065 (void) printf("\t\tprops_zapobj = %llu\n",
1066 (u_longlong_t)dd->dd_props_zapobj);
1067 (void) printf("\t\tdeleg_zapobj = %llu\n",
1068 (u_longlong_t)dd->dd_deleg_zapobj);
1069 (void) printf("\t\tflags = %llx\n",
1070 (u_longlong_t)dd->dd_flags);
1073 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
1074 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1085 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1087 dsl_dataset_phys_t *ds = data;
1089 char used[32], compressed[32], uncompressed[32], unique[32];
1090 char blkbuf[BP_SPRINTF_LEN];
1095 ASSERT(size == sizeof (*ds));
1096 crtime = ds->ds_creation_time;
1097 zdb_nicenum(ds->ds_used_bytes, used);
1098 zdb_nicenum(ds->ds_compressed_bytes, compressed);
1099 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
1100 zdb_nicenum(ds->ds_unique_bytes, unique);
1101 sprintf_blkptr(blkbuf, &ds->ds_bp);
1103 (void) printf("\t\tdir_obj = %llu\n",
1104 (u_longlong_t)ds->ds_dir_obj);
1105 (void) printf("\t\tprev_snap_obj = %llu\n",
1106 (u_longlong_t)ds->ds_prev_snap_obj);
1107 (void) printf("\t\tprev_snap_txg = %llu\n",
1108 (u_longlong_t)ds->ds_prev_snap_txg);
1109 (void) printf("\t\tnext_snap_obj = %llu\n",
1110 (u_longlong_t)ds->ds_next_snap_obj);
1111 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1112 (u_longlong_t)ds->ds_snapnames_zapobj);
1113 (void) printf("\t\tnum_children = %llu\n",
1114 (u_longlong_t)ds->ds_num_children);
1115 (void) printf("\t\tuserrefs_obj = %llu\n",
1116 (u_longlong_t)ds->ds_userrefs_obj);
1117 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1118 (void) printf("\t\tcreation_txg = %llu\n",
1119 (u_longlong_t)ds->ds_creation_txg);
1120 (void) printf("\t\tdeadlist_obj = %llu\n",
1121 (u_longlong_t)ds->ds_deadlist_obj);
1122 (void) printf("\t\tused_bytes = %s\n", used);
1123 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1124 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1125 (void) printf("\t\tunique = %s\n", unique);
1126 (void) printf("\t\tfsid_guid = %llu\n",
1127 (u_longlong_t)ds->ds_fsid_guid);
1128 (void) printf("\t\tguid = %llu\n",
1129 (u_longlong_t)ds->ds_guid);
1130 (void) printf("\t\tflags = %llx\n",
1131 (u_longlong_t)ds->ds_flags);
1132 (void) printf("\t\tnext_clones_obj = %llu\n",
1133 (u_longlong_t)ds->ds_next_clones_obj);
1134 (void) printf("\t\tprops_obj = %llu\n",
1135 (u_longlong_t)ds->ds_props_obj);
1136 (void) printf("\t\tbp = %s\n", blkbuf);
1141 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1143 char blkbuf[BP_SPRINTF_LEN];
1145 ASSERT(bp->blk_birth != 0);
1146 sprintf_blkptr_compact(blkbuf, bp);
1147 (void) printf("\t%s\n", blkbuf);
1152 dump_bpobj(bpobj_t *bpo, char *name)
1158 if (dump_opt['d'] < 3)
1161 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes);
1162 if (bpo->bpo_havesubobj) {
1163 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
1164 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
1165 (void) printf("\n %s: %llu local blkptrs, %llu subobjs, "
1166 "%s (%s/%s comp)\n",
1167 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1168 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1169 bytes, comp, uncomp);
1171 (void) printf("\n %s: %llu blkptrs, %s\n",
1172 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, bytes);
1175 if (dump_opt['d'] < 5)
1178 (void) printf("\n");
1180 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1184 dump_deadlist(dsl_deadlist_t *dl)
1186 dsl_deadlist_entry_t *dle;
1191 if (dump_opt['d'] < 3)
1194 zdb_nicenum(dl->dl_phys->dl_used, bytes);
1195 zdb_nicenum(dl->dl_phys->dl_comp, comp);
1196 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);
1197 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1198 bytes, comp, uncomp);
1200 if (dump_opt['d'] < 4)
1203 (void) printf("\n");
1205 for (dle = avl_first(&dl->dl_tree); dle;
1206 dle = AVL_NEXT(&dl->dl_tree, dle)) {
1207 (void) printf(" mintxg %llu -> obj %llu\n",
1208 (longlong_t)dle->dle_mintxg,
1209 (longlong_t)dle->dle_bpobj.bpo_object);
1211 if (dump_opt['d'] >= 5)
1212 dump_bpobj(&dle->dle_bpobj, "");
1216 static avl_tree_t idx_tree;
1217 static avl_tree_t domain_tree;
1218 static boolean_t fuid_table_loaded;
1219 static boolean_t sa_loaded;
1220 sa_attr_type_t *sa_attr_table;
1223 fuid_table_destroy(void)
1225 if (fuid_table_loaded) {
1226 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1227 fuid_table_loaded = B_FALSE;
1232 * print uid or gid information.
1233 * For normal POSIX id just the id is printed in decimal format.
1234 * For CIFS files with FUID the fuid is printed in hex followed by
1235 * the doman-rid string.
1238 print_idstr(uint64_t id, const char *id_type)
1240 if (FUID_INDEX(id)) {
1243 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1244 (void) printf("\t%s %llx [%s-%d]\n", id_type,
1245 (u_longlong_t)id, domain, (int)FUID_RID(id));
1247 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
1253 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
1255 uint32_t uid_idx, gid_idx;
1257 uid_idx = FUID_INDEX(uid);
1258 gid_idx = FUID_INDEX(gid);
1260 /* Load domain table, if not already loaded */
1261 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1264 /* first find the fuid object. It lives in the master node */
1265 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1266 8, 1, &fuid_obj) == 0);
1267 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
1268 (void) zfs_fuid_table_load(os, fuid_obj,
1269 &idx_tree, &domain_tree);
1270 fuid_table_loaded = B_TRUE;
1273 print_idstr(uid, "uid");
1274 print_idstr(gid, "gid");
1279 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1281 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
1283 uint64_t xattr, rdev, gen;
1284 uint64_t uid, gid, mode, fsize, parent, links;
1286 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
1287 time_t z_crtime, z_atime, z_mtime, z_ctime;
1288 sa_bulk_attr_t bulk[12];
1293 uint64_t sa_attrs = 0;
1296 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR,
1297 8, 1, &version) == 0);
1298 if (version >= ZPL_VERSION_SA) {
1299 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
1300 8, 1, &sa_attrs) == 0);
1302 if ((error = sa_setup(os, sa_attrs, zfs_attr_table,
1303 ZPL_END, &sa_attr_table)) != 0) {
1304 (void) printf("sa_setup failed errno %d, can't "
1305 "display znode contents\n", error);
1311 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
1312 (void) printf("Failed to get handle for SA znode\n");
1316 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
1317 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
1318 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
1320 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
1321 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
1323 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
1325 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
1327 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
1329 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
1331 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
1333 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
1335 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
1338 if (sa_bulk_lookup(hdl, bulk, idx)) {
1339 (void) sa_handle_destroy(hdl);
1343 error = zfs_obj_to_path(os, object, path, sizeof (path));
1345 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
1346 (u_longlong_t)object);
1348 if (dump_opt['d'] < 3) {
1349 (void) printf("\t%s\n", path);
1350 (void) sa_handle_destroy(hdl);
1354 z_crtime = (time_t)crtm[0];
1355 z_atime = (time_t)acctm[0];
1356 z_mtime = (time_t)modtm[0];
1357 z_ctime = (time_t)chgtm[0];
1359 (void) printf("\tpath %s\n", path);
1360 dump_uidgid(os, uid, gid);
1361 (void) printf("\tatime %s", ctime(&z_atime));
1362 (void) printf("\tmtime %s", ctime(&z_mtime));
1363 (void) printf("\tctime %s", ctime(&z_ctime));
1364 (void) printf("\tcrtime %s", ctime(&z_crtime));
1365 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
1366 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
1367 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
1368 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
1369 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
1370 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
1371 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
1372 sizeof (uint64_t)) == 0)
1373 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
1374 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
1375 sizeof (uint64_t)) == 0)
1376 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
1377 sa_handle_destroy(hdl);
1382 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1388 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1392 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
1393 dump_none, /* unallocated */
1394 dump_zap, /* object directory */
1395 dump_uint64, /* object array */
1396 dump_none, /* packed nvlist */
1397 dump_packed_nvlist, /* packed nvlist size */
1398 dump_none, /* bplist */
1399 dump_none, /* bplist header */
1400 dump_none, /* SPA space map header */
1401 dump_none, /* SPA space map */
1402 dump_none, /* ZIL intent log */
1403 dump_dnode, /* DMU dnode */
1404 dump_dmu_objset, /* DMU objset */
1405 dump_dsl_dir, /* DSL directory */
1406 dump_zap, /* DSL directory child map */
1407 dump_zap, /* DSL dataset snap map */
1408 dump_zap, /* DSL props */
1409 dump_dsl_dataset, /* DSL dataset */
1410 dump_znode, /* ZFS znode */
1411 dump_acl, /* ZFS V0 ACL */
1412 dump_uint8, /* ZFS plain file */
1413 dump_zpldir, /* ZFS directory */
1414 dump_zap, /* ZFS master node */
1415 dump_zap, /* ZFS delete queue */
1416 dump_uint8, /* zvol object */
1417 dump_zap, /* zvol prop */
1418 dump_uint8, /* other uint8[] */
1419 dump_uint64, /* other uint64[] */
1420 dump_zap, /* other ZAP */
1421 dump_zap, /* persistent error log */
1422 dump_uint8, /* SPA history */
1423 dump_uint64, /* SPA history offsets */
1424 dump_zap, /* Pool properties */
1425 dump_zap, /* DSL permissions */
1426 dump_acl, /* ZFS ACL */
1427 dump_uint8, /* ZFS SYSACL */
1428 dump_none, /* FUID nvlist */
1429 dump_packed_nvlist, /* FUID nvlist size */
1430 dump_zap, /* DSL dataset next clones */
1431 dump_zap, /* DSL scrub queue */
1432 dump_zap, /* ZFS user/group used */
1433 dump_zap, /* ZFS user/group quota */
1434 dump_zap, /* snapshot refcount tags */
1435 dump_ddt_zap, /* DDT ZAP object */
1436 dump_zap, /* DDT statistics */
1437 dump_znode, /* SA object */
1438 dump_zap, /* SA Master Node */
1439 dump_sa_attrs, /* SA attribute registration */
1440 dump_sa_layouts, /* SA attribute layouts */
1441 dump_zap, /* DSL scrub translations */
1442 dump_none, /* fake dedup BP */
1443 dump_zap, /* deadlist */
1444 dump_none, /* deadlist hdr */
1445 dump_zap, /* dsl clones */
1446 dump_none, /* bpobj subobjs */
1447 dump_unknown, /* Unknown type, must be last */
1451 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1453 dmu_buf_t *db = NULL;
1454 dmu_object_info_t doi;
1458 char iblk[32], dblk[32], lsize[32], asize[32], fill[32];
1459 char bonus_size[32];
1463 if (*print_header) {
1464 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1465 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1471 dn = DMU_META_DNODE(os);
1473 error = dmu_bonus_hold(os, object, FTAG, &db);
1475 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1477 bonus = db->db_data;
1478 bsize = db->db_size;
1479 dn = DB_DNODE((dmu_buf_impl_t *)db);
1481 dmu_object_info_from_dnode(dn, &doi);
1483 zdb_nicenum(doi.doi_metadata_block_size, iblk);
1484 zdb_nicenum(doi.doi_data_block_size, dblk);
1485 zdb_nicenum(doi.doi_max_offset, lsize);
1486 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize);
1487 zdb_nicenum(doi.doi_bonus_size, bonus_size);
1488 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
1489 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
1490 doi.doi_max_offset);
1494 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1495 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1496 ZDB_CHECKSUM_NAME(doi.doi_checksum));
1499 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1500 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1501 ZDB_COMPRESS_NAME(doi.doi_compress));
1504 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1505 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
1506 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
1508 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1509 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1510 "", "", "", "", "", bonus_size, "bonus",
1511 ZDB_OT_NAME(doi.doi_bonus_type));
1514 if (verbosity >= 4) {
1515 (void) printf("\tdnode flags: %s%s%s\n",
1516 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
1518 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
1519 "USERUSED_ACCOUNTED " : "",
1520 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
1521 "SPILL_BLKPTR" : "");
1522 (void) printf("\tdnode maxblkid: %llu\n",
1523 (longlong_t)dn->dn_phys->dn_maxblkid);
1525 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
1527 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
1534 if (verbosity >= 5) {
1536 * Report the list of segments that comprise the object.
1540 uint64_t blkfill = 1;
1543 if (dn->dn_type == DMU_OT_DNODE) {
1545 blkfill = DNODES_PER_BLOCK;
1550 error = dnode_next_offset(dn,
1551 0, &start, minlvl, blkfill, 0);
1555 error = dnode_next_offset(dn,
1556 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1557 zdb_nicenum(end - start, segsize);
1558 (void) printf("\t\tsegment [%016llx, %016llx)"
1559 " size %5s\n", (u_longlong_t)start,
1560 (u_longlong_t)end, segsize);
1568 dmu_buf_rele(db, FTAG);
1571 static char *objset_types[DMU_OST_NUMTYPES] = {
1572 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1575 dump_dir(objset_t *os)
1577 dmu_objset_stats_t dds;
1578 uint64_t object, object_count;
1579 uint64_t refdbytes, usedobjs, scratch;
1581 char blkbuf[BP_SPRINTF_LEN + 20];
1582 char osname[MAXNAMELEN];
1583 char *type = "UNKNOWN";
1584 int verbosity = dump_opt['d'];
1585 int print_header = 1;
1588 dmu_objset_fast_stat(os, &dds);
1590 if (dds.dds_type < DMU_OST_NUMTYPES)
1591 type = objset_types[dds.dds_type];
1593 if (dds.dds_type == DMU_OST_META) {
1594 dds.dds_creation_txg = TXG_INITIAL;
1595 usedobjs = os->os_rootbp->blk_fill;
1596 refdbytes = os->os_spa->spa_dsl_pool->
1597 dp_mos_dir->dd_phys->dd_used_bytes;
1599 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1602 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill);
1604 zdb_nicenum(refdbytes, numbuf);
1606 if (verbosity >= 4) {
1607 (void) sprintf(blkbuf, ", rootbp ");
1608 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp);
1613 dmu_objset_name(os, osname);
1615 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1616 "%s, %llu objects%s\n",
1617 osname, type, (u_longlong_t)dmu_objset_id(os),
1618 (u_longlong_t)dds.dds_creation_txg,
1619 numbuf, (u_longlong_t)usedobjs, blkbuf);
1621 if (zopt_objects != 0) {
1622 for (i = 0; i < zopt_objects; i++)
1623 dump_object(os, zopt_object[i], verbosity,
1625 (void) printf("\n");
1629 if (dump_opt['i'] != 0 || verbosity >= 2)
1630 dump_intent_log(dmu_objset_zil(os));
1632 if (dmu_objset_ds(os) != NULL)
1633 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
1638 if (os->os_rootbp->blk_birth == 0)
1641 dump_object(os, 0, verbosity, &print_header);
1643 if (DMU_USERUSED_DNODE(os) != NULL &&
1644 DMU_USERUSED_DNODE(os)->dn_type != 0) {
1645 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
1646 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
1650 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1651 dump_object(os, object, verbosity, &print_header);
1655 ASSERT3U(object_count, ==, usedobjs);
1657 (void) printf("\n");
1659 if (error != ESRCH) {
1660 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1666 dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
1668 time_t timestamp = ub->ub_timestamp;
1670 (void) printf("%s", header ? header : "");
1671 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1672 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1673 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1674 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1675 (void) printf("\ttimestamp = %llu UTC = %s",
1676 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp)));
1677 if (dump_opt['u'] >= 3) {
1678 char blkbuf[BP_SPRINTF_LEN];
1679 sprintf_blkptr(blkbuf, &ub->ub_rootbp);
1680 (void) printf("\trootbp = %s\n", blkbuf);
1682 (void) printf("%s", footer ? footer : "");
1686 dump_config(spa_t *spa)
1693 error = dmu_bonus_hold(spa->spa_meta_objset,
1694 spa->spa_config_object, FTAG, &db);
1697 nvsize = *(uint64_t *)db->db_data;
1698 dmu_buf_rele(db, FTAG);
1700 (void) printf("\nMOS Configuration:\n");
1701 dump_packed_nvlist(spa->spa_meta_objset,
1702 spa->spa_config_object, (void *)&nvsize, 1);
1704 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
1705 (u_longlong_t)spa->spa_config_object, error);
1710 dump_cachefile(const char *cachefile)
1713 struct stat64 statbuf;
1717 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1718 (void) printf("cannot open '%s': %s\n", cachefile,
1723 if (fstat64(fd, &statbuf) != 0) {
1724 (void) printf("failed to stat '%s': %s\n", cachefile,
1729 if ((buf = malloc(statbuf.st_size)) == NULL) {
1730 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1731 (u_longlong_t)statbuf.st_size);
1735 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1736 (void) fprintf(stderr, "failed to read %llu bytes\n",
1737 (u_longlong_t)statbuf.st_size);
1743 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1744 (void) fprintf(stderr, "failed to unpack nvlist\n");
1750 dump_nvlist(config, 0);
1752 nvlist_free(config);
1755 #define ZDB_MAX_UB_HEADER_SIZE 32
1758 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
1762 char header[ZDB_MAX_UB_HEADER_SIZE];
1765 vd.vdev_ashift = ashift;
1766 vdp->vdev_top = vdp;
1768 for (i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
1769 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
1770 uberblock_t *ub = (void *)((char *)lbl + uoff);
1772 if (uberblock_verify(ub))
1774 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
1775 "Uberblock[%d]\n", i);
1776 dump_uberblock(ub, header, "");
1781 dump_label(const char *dev)
1785 char *path, *buf = label.vl_vdev_phys.vp_nvlist;
1786 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1787 struct stat64 statbuf;
1788 uint64_t psize, ashift;
1789 int len = strlen(dev) + 1;
1792 if (strncmp(dev, "/dev/dsk/", 9) == 0) {
1795 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9);
1800 if ((fd = open64(path, O_RDONLY)) < 0) {
1801 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
1806 if (fstat64_blk(fd, &statbuf) != 0) {
1807 (void) printf("failed to stat '%s': %s\n", path,
1814 psize = statbuf.st_size;
1815 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1817 for (l = 0; l < VDEV_LABELS; l++) {
1818 nvlist_t *config = NULL;
1820 (void) printf("--------------------------------------------\n");
1821 (void) printf("LABEL %d\n", l);
1822 (void) printf("--------------------------------------------\n");
1824 if (pread64(fd, &label, sizeof (label),
1825 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1826 (void) printf("failed to read label %d\n", l);
1830 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1831 (void) printf("failed to unpack label %d\n", l);
1832 ashift = SPA_MINBLOCKSHIFT;
1834 nvlist_t *vdev_tree = NULL;
1836 dump_nvlist(config, 4);
1837 if ((nvlist_lookup_nvlist(config,
1838 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
1839 (nvlist_lookup_uint64(vdev_tree,
1840 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
1841 ashift = SPA_MINBLOCKSHIFT;
1842 nvlist_free(config);
1845 dump_label_uberblocks(&label, ashift);
1854 dump_one_dir(const char *dsname, void *arg)
1859 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os);
1861 (void) printf("Could not open %s, error %d\n", dsname, error);
1865 dmu_objset_disown(os, FTAG);
1866 fuid_table_destroy();
1867 sa_loaded = B_FALSE;
1874 typedef struct zdb_blkstats {
1882 * Extended object types to report deferred frees and dedup auto-ditto blocks.
1884 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
1885 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
1886 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 2)
1888 static char *zdb_ot_extname[] = {
1894 #define ZB_TOTAL DN_MAX_LEVELS
1896 typedef struct zdb_cb {
1897 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
1898 uint64_t zcb_dedup_asize;
1899 uint64_t zcb_dedup_blocks;
1900 uint64_t zcb_errors[256];
1907 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
1908 dmu_object_type_t type)
1910 uint64_t refcnt = 0;
1913 ASSERT(type < ZDB_OT_TOTAL);
1915 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
1918 for (i = 0; i < 4; i++) {
1919 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
1920 int t = (i & 1) ? type : ZDB_OT_TOTAL;
1921 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
1923 zb->zb_asize += BP_GET_ASIZE(bp);
1924 zb->zb_lsize += BP_GET_LSIZE(bp);
1925 zb->zb_psize += BP_GET_PSIZE(bp);
1932 if (BP_GET_DEDUP(bp)) {
1936 ddt = ddt_select(zcb->zcb_spa, bp);
1938 dde = ddt_lookup(ddt, bp, B_FALSE);
1943 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
1944 ddt_phys_decref(ddp);
1945 refcnt = ddp->ddp_refcnt;
1946 if (ddt_phys_total_refcnt(dde) == 0)
1947 ddt_remove(ddt, dde);
1952 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
1953 refcnt ? 0 : spa_first_txg(zcb->zcb_spa),
1954 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
1959 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf,
1960 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
1962 zdb_cb_t *zcb = arg;
1963 char blkbuf[BP_SPRINTF_LEN];
1964 dmu_object_type_t type;
1965 boolean_t is_metadata;
1970 type = BP_GET_TYPE(bp);
1972 zdb_count_block(zcb, zilog, bp, type);
1974 is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata);
1976 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
1978 size_t size = BP_GET_PSIZE(bp);
1979 void *data = malloc(size);
1980 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
1982 /* If it's an intent log block, failure is expected. */
1983 if (zb->zb_level == ZB_ZIL_LEVEL)
1984 flags |= ZIO_FLAG_SPECULATIVE;
1986 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
1987 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb));
1991 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) {
1992 zcb->zcb_haderrors = 1;
1993 zcb->zcb_errors[ioerr]++;
1995 if (dump_opt['b'] >= 2)
1996 sprintf_blkptr(blkbuf, bp);
2000 (void) printf("zdb_blkptr_cb: "
2001 "Got error %d reading "
2002 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2004 (u_longlong_t)zb->zb_objset,
2005 (u_longlong_t)zb->zb_object,
2006 (u_longlong_t)zb->zb_level,
2007 (u_longlong_t)zb->zb_blkid,
2012 zcb->zcb_readfails = 0;
2014 if (dump_opt['b'] >= 4) {
2015 sprintf_blkptr(blkbuf, bp);
2016 (void) printf("objset %llu object %llu "
2017 "level %lld offset 0x%llx %s\n",
2018 (u_longlong_t)zb->zb_objset,
2019 (u_longlong_t)zb->zb_object,
2020 (longlong_t)zb->zb_level,
2021 (u_longlong_t)blkid2offset(dnp, bp, zb),
2029 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
2031 vdev_t *vd = sm->sm_ppd;
2033 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2034 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
2039 zdb_space_map_load(space_map_t *sm)
2044 zdb_space_map_unload(space_map_t *sm)
2046 space_map_vacate(sm, zdb_leak, sm);
2051 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
2055 static space_map_ops_t zdb_space_map_ops = {
2057 zdb_space_map_unload,
2059 zdb_space_map_claim,
2065 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
2067 ddt_bookmark_t ddb = { 0 };
2072 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
2074 ddt_phys_t *ddp = dde.dde_phys;
2076 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
2079 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
2081 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
2082 if (ddp->ddp_phys_birth == 0)
2084 ddt_bp_create(ddb.ddb_checksum,
2085 &dde.dde_key, ddp, &blk);
2086 if (p == DDT_PHYS_DITTO) {
2087 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
2089 zcb->zcb_dedup_asize +=
2090 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
2091 zcb->zcb_dedup_blocks++;
2094 if (!dump_opt['L']) {
2095 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
2097 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
2102 ASSERT(error == ENOENT);
2106 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
2111 if (!dump_opt['L']) {
2112 vdev_t *rvd = spa->spa_root_vdev;
2113 for (c = 0; c < rvd->vdev_children; c++) {
2114 vdev_t *vd = rvd->vdev_child[c];
2115 for (m = 0; m < vd->vdev_ms_count; m++) {
2116 metaslab_t *msp = vd->vdev_ms[m];
2117 mutex_enter(&msp->ms_lock);
2118 space_map_unload(&msp->ms_map);
2119 VERIFY(space_map_load(&msp->ms_map,
2120 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo,
2121 spa->spa_meta_objset) == 0);
2122 msp->ms_map.sm_ppd = vd;
2123 mutex_exit(&msp->ms_lock);
2128 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2130 zdb_ddt_leak_init(spa, zcb);
2132 spa_config_exit(spa, SCL_CONFIG, FTAG);
2136 zdb_leak_fini(spa_t *spa)
2140 if (!dump_opt['L']) {
2141 vdev_t *rvd = spa->spa_root_vdev;
2142 for (c = 0; c < rvd->vdev_children; c++) {
2143 vdev_t *vd = rvd->vdev_child[c];
2144 for (m = 0; m < vd->vdev_ms_count; m++) {
2145 metaslab_t *msp = vd->vdev_ms[m];
2146 mutex_enter(&msp->ms_lock);
2147 space_map_unload(&msp->ms_map);
2148 mutex_exit(&msp->ms_lock);
2156 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
2158 zdb_cb_t *zcb = arg;
2160 if (dump_opt['b'] >= 4) {
2161 char blkbuf[BP_SPRINTF_LEN];
2162 sprintf_blkptr(blkbuf, bp);
2163 (void) printf("[%s] %s\n",
2164 "deferred free", blkbuf);
2166 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
2171 dump_block_stats(spa_t *spa)
2174 zdb_blkstats_t *zb, *tzb;
2175 uint64_t norm_alloc, norm_space, total_alloc, total_found;
2176 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
2180 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
2181 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
2182 (dump_opt['c'] == 1) ? "metadata " : "",
2183 dump_opt['c'] ? "checksums " : "",
2184 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
2185 !dump_opt['L'] ? "nothing leaked " : "");
2188 * Load all space maps as SM_ALLOC maps, then traverse the pool
2189 * claiming each block we discover. If the pool is perfectly
2190 * consistent, the space maps will be empty when we're done.
2191 * Anything left over is a leak; any block we can't claim (because
2192 * it's not part of any space map) is a double allocation,
2193 * reference to a freed block, or an unclaimed log block.
2195 bzero(&zcb, sizeof(zdb_cb_t));
2196 zdb_leak_init(spa, &zcb);
2199 * If there's a deferred-free bplist, process that first.
2201 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
2202 count_block_cb, &zcb, NULL);
2203 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
2204 count_block_cb, &zcb, NULL);
2206 if (dump_opt['c'] > 1)
2207 flags |= TRAVERSE_PREFETCH_DATA;
2209 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
2211 if (zcb.zcb_haderrors) {
2212 (void) printf("\nError counts:\n\n");
2213 (void) printf("\t%5s %s\n", "errno", "count");
2214 for (e = 0; e < 256; e++) {
2215 if (zcb.zcb_errors[e] != 0) {
2216 (void) printf("\t%5d %llu\n",
2217 e, (u_longlong_t)zcb.zcb_errors[e]);
2223 * Report any leaked segments.
2227 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
2229 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
2230 norm_space = metaslab_class_get_space(spa_normal_class(spa));
2232 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
2233 total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
2235 if (total_found == total_alloc) {
2237 (void) printf("\n\tNo leaks (block sum matches space"
2238 " maps exactly)\n");
2240 (void) printf("block traversal size %llu != alloc %llu "
2242 (u_longlong_t)total_found,
2243 (u_longlong_t)total_alloc,
2244 (dump_opt['L']) ? "unreachable" : "leaked",
2245 (longlong_t)(total_alloc - total_found));
2249 if (tzb->zb_count == 0)
2252 (void) printf("\n");
2253 (void) printf("\tbp count: %10llu\n",
2254 (u_longlong_t)tzb->zb_count);
2255 (void) printf("\tbp logical: %10llu avg: %6llu\n",
2256 (u_longlong_t)tzb->zb_lsize,
2257 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
2258 (void) printf("\tbp physical: %10llu avg:"
2259 " %6llu compression: %6.2f\n",
2260 (u_longlong_t)tzb->zb_psize,
2261 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
2262 (double)tzb->zb_lsize / tzb->zb_psize);
2263 (void) printf("\tbp allocated: %10llu avg:"
2264 " %6llu compression: %6.2f\n",
2265 (u_longlong_t)tzb->zb_asize,
2266 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
2267 (double)tzb->zb_lsize / tzb->zb_asize);
2268 (void) printf("\tbp deduped: %10llu ref>1:"
2269 " %6llu deduplication: %6.2f\n",
2270 (u_longlong_t)zcb.zcb_dedup_asize,
2271 (u_longlong_t)zcb.zcb_dedup_blocks,
2272 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
2273 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2274 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
2276 if (dump_opt['b'] >= 2) {
2278 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2279 "\t avg\t comp\t%%Total\tType\n");
2281 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
2282 char csize[32], lsize[32], psize[32], asize[32];
2286 if (t < DMU_OT_NUMTYPES)
2287 typename = dmu_ot[t].ot_name;
2289 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
2291 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
2292 (void) printf("%6s\t%5s\t%5s\t%5s"
2293 "\t%5s\t%5s\t%6s\t%s\n",
2305 for (l = ZB_TOTAL - 1; l >= -1; l--) {
2306 level = (l == -1 ? ZB_TOTAL : l);
2307 zb = &zcb.zcb_type[level][t];
2309 if (zb->zb_asize == 0)
2312 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
2315 if (level == 0 && zb->zb_asize ==
2316 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
2319 zdb_nicenum(zb->zb_count, csize);
2320 zdb_nicenum(zb->zb_lsize, lsize);
2321 zdb_nicenum(zb->zb_psize, psize);
2322 zdb_nicenum(zb->zb_asize, asize);
2323 zdb_nicenum(zb->zb_asize / zb->zb_count, avg);
2325 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2327 csize, lsize, psize, asize, avg,
2328 (double)zb->zb_lsize / zb->zb_psize,
2329 100.0 * zb->zb_asize / tzb->zb_asize);
2331 if (level == ZB_TOTAL)
2332 (void) printf("%s\n", typename);
2334 (void) printf(" L%d %s\n",
2340 (void) printf("\n");
2345 if (zcb.zcb_haderrors)
2351 typedef struct zdb_ddt_entry {
2353 uint64_t zdde_ref_blocks;
2354 uint64_t zdde_ref_lsize;
2355 uint64_t zdde_ref_psize;
2356 uint64_t zdde_ref_dsize;
2357 avl_node_t zdde_node;
2362 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2363 arc_buf_t *pbuf, const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2365 avl_tree_t *t = arg;
2367 zdb_ddt_entry_t *zdde, zdde_search;
2372 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
2373 (void) printf("traversing objset %llu, %llu objects, "
2374 "%lu blocks so far\n",
2375 (u_longlong_t)zb->zb_objset,
2376 (u_longlong_t)bp->blk_fill,
2380 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
2381 BP_GET_LEVEL(bp) > 0 || dmu_ot[BP_GET_TYPE(bp)].ot_metadata)
2384 ddt_key_fill(&zdde_search.zdde_key, bp);
2386 zdde = avl_find(t, &zdde_search, &where);
2389 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
2390 zdde->zdde_key = zdde_search.zdde_key;
2391 avl_insert(t, zdde, where);
2394 zdde->zdde_ref_blocks += 1;
2395 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
2396 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
2397 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
2403 dump_simulated_ddt(spa_t *spa)
2406 void *cookie = NULL;
2407 zdb_ddt_entry_t *zdde;
2408 ddt_histogram_t ddh_total;
2409 ddt_stat_t dds_total;
2411 bzero(&ddh_total, sizeof (ddt_histogram_t));
2412 bzero(&dds_total, sizeof (ddt_stat_t));
2414 avl_create(&t, ddt_entry_compare,
2415 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
2417 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2419 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
2420 zdb_ddt_add_cb, &t);
2422 spa_config_exit(spa, SCL_CONFIG, FTAG);
2424 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
2426 uint64_t refcnt = zdde->zdde_ref_blocks;
2427 ASSERT(refcnt != 0);
2429 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
2430 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
2431 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
2432 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
2434 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
2435 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
2436 dds.dds_ref_psize = zdde->zdde_ref_psize;
2437 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
2439 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0);
2441 umem_free(zdde, sizeof (*zdde));
2446 ddt_histogram_stat(&dds_total, &ddh_total);
2448 (void) printf("Simulated DDT histogram:\n");
2450 zpool_dump_ddt(&dds_total, &ddh_total);
2452 dump_dedup_ratio(&dds_total);
2456 dump_zpool(spa_t *spa)
2458 dsl_pool_t *dp = spa_get_dsl(spa);
2461 if (dump_opt['S']) {
2462 dump_simulated_ddt(spa);
2466 if (!dump_opt['e'] && dump_opt['C'] > 1) {
2467 (void) printf("\nCached configuration:\n");
2468 dump_nvlist(spa->spa_config, 8);
2475 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
2480 if (dump_opt['d'] > 2 || dump_opt['m'])
2481 dump_metaslabs(spa);
2483 if (dump_opt['d'] || dump_opt['i']) {
2484 dump_dir(dp->dp_meta_objset);
2485 if (dump_opt['d'] >= 3) {
2486 dump_bpobj(&spa->spa_deferred_bpobj, "Deferred frees");
2487 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2488 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
2491 dump_dtl(spa->spa_root_vdev, 0);
2493 (void) dmu_objset_find(spa_name(spa), dump_one_dir,
2494 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
2496 if (dump_opt['b'] || dump_opt['c'])
2497 rc = dump_block_stats(spa);
2500 show_pool_stats(spa);
2509 #define ZDB_FLAG_CHECKSUM 0x0001
2510 #define ZDB_FLAG_DECOMPRESS 0x0002
2511 #define ZDB_FLAG_BSWAP 0x0004
2512 #define ZDB_FLAG_GBH 0x0008
2513 #define ZDB_FLAG_INDIRECT 0x0010
2514 #define ZDB_FLAG_PHYS 0x0020
2515 #define ZDB_FLAG_RAW 0x0040
2516 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
2521 zdb_print_blkptr(blkptr_t *bp, int flags)
2523 char blkbuf[BP_SPRINTF_LEN];
2525 if (flags & ZDB_FLAG_BSWAP)
2526 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
2528 sprintf_blkptr(blkbuf, bp);
2529 (void) printf("%s\n", blkbuf);
2533 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
2537 for (i = 0; i < nbps; i++)
2538 zdb_print_blkptr(&bp[i], flags);
2542 zdb_dump_gbh(void *buf, int flags)
2544 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
2548 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
2550 if (flags & ZDB_FLAG_BSWAP)
2551 byteswap_uint64_array(buf, size);
2552 VERIFY(write(fileno(stdout), buf, size) == size);
2556 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
2558 uint64_t *d = (uint64_t *)buf;
2559 int nwords = size / sizeof (uint64_t);
2560 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
2566 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
2568 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
2570 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
2572 for (i = 0; i < nwords; i += 2) {
2573 (void) printf("%06llx: %016llx %016llx ",
2574 (u_longlong_t)(i * sizeof (uint64_t)),
2575 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
2576 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
2579 for (j = 0; j < 2 * sizeof (uint64_t); j++)
2580 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
2581 (void) printf("\n");
2586 * There are two acceptable formats:
2587 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
2588 * child[.child]* - For example: 0.1.1
2590 * The second form can be used to specify arbitrary vdevs anywhere
2591 * in the heirarchy. For example, in a pool with a mirror of
2592 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
2595 zdb_vdev_lookup(vdev_t *vdev, char *path)
2603 /* First, assume the x.x.x.x format */
2604 i = (int)strtoul(path, &s, 10);
2605 if (s == path || (s && *s != '.' && *s != '\0'))
2607 if (i < 0 || i >= vdev->vdev_children)
2610 vdev = vdev->vdev_child[i];
2613 return (zdb_vdev_lookup(vdev, s+1));
2616 for (i = 0; i < vdev->vdev_children; i++) {
2617 vdev_t *vc = vdev->vdev_child[i];
2619 if (vc->vdev_path == NULL) {
2620 vc = zdb_vdev_lookup(vc, path);
2627 p = strrchr(vc->vdev_path, '/');
2628 p = p ? p + 1 : vc->vdev_path;
2629 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
2631 if (strcmp(vc->vdev_path, path) == 0)
2633 if (strcmp(p, path) == 0)
2635 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
2643 * Read a block from a pool and print it out. The syntax of the
2644 * block descriptor is:
2646 * pool:vdev_specifier:offset:size[:flags]
2648 * pool - The name of the pool you wish to read from
2649 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
2650 * offset - offset, in hex, in bytes
2651 * size - Amount of data to read, in hex, in bytes
2652 * flags - A string of characters specifying options
2653 * b: Decode a blkptr at given offset within block
2654 * *c: Calculate and display checksums
2655 * d: Decompress data before dumping
2656 * e: Byteswap data before dumping
2657 * g: Display data as a gang block header
2658 * i: Display as an indirect block
2659 * p: Do I/O to physical offset
2660 * r: Dump raw data to stdout
2662 * * = not yet implemented
2665 zdb_read_block(char *thing, spa_t *spa)
2667 blkptr_t blk, *bp = &blk;
2668 dva_t *dva = bp->blk_dva;
2670 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0;
2673 void *pbuf, *lbuf, *buf;
2674 char *s, *p, *dup, *vdev, *flagstr;
2677 dup = strdup(thing);
2678 s = strtok(dup, ":");
2680 s = strtok(NULL, ":");
2681 offset = strtoull(s ? s : "", NULL, 16);
2682 s = strtok(NULL, ":");
2683 size = strtoull(s ? s : "", NULL, 16);
2684 s = strtok(NULL, ":");
2685 flagstr = s ? s : "";
2689 s = "size must not be zero";
2690 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2691 s = "size must be a multiple of sector size";
2692 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2693 s = "offset must be a multiple of sector size";
2695 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2700 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2701 for (i = 0; flagstr[i]; i++) {
2702 int bit = flagbits[(uchar_t)flagstr[i]];
2705 (void) printf("***Invalid flag: %c\n",
2711 /* If it's not something with an argument, keep going */
2712 if ((bit & (ZDB_FLAG_CHECKSUM |
2713 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2716 p = &flagstr[i + 1];
2717 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2718 blkptr_offset = strtoull(p, &p, 16);
2719 if (*p != ':' && *p != '\0') {
2720 (void) printf("***Invalid flag arg: '%s'\n", s);
2727 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2729 (void) printf("***Invalid vdev: %s\n", vdev);
2734 (void) fprintf(stderr, "Found vdev: %s\n",
2737 (void) fprintf(stderr, "Found vdev type: %s\n",
2738 vd->vdev_ops->vdev_op_type);
2744 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2745 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2749 DVA_SET_VDEV(&dva[0], vd->vdev_id);
2750 DVA_SET_OFFSET(&dva[0], offset);
2751 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
2752 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
2754 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
2756 BP_SET_LSIZE(bp, lsize);
2757 BP_SET_PSIZE(bp, psize);
2758 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
2759 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
2760 BP_SET_TYPE(bp, DMU_OT_NONE);
2761 BP_SET_LEVEL(bp, 0);
2762 BP_SET_DEDUP(bp, 0);
2763 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
2765 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
2766 zio = zio_root(spa, NULL, NULL, 0);
2768 if (vd == vd->vdev_top) {
2770 * Treat this as a normal block read.
2772 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL,
2773 ZIO_PRIORITY_SYNC_READ,
2774 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
2777 * Treat this as a vdev child I/O.
2779 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize,
2780 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
2781 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
2782 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
2783 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
2786 error = zio_wait(zio);
2787 spa_config_exit(spa, SCL_STATE, FTAG);
2790 (void) printf("Read of %s failed, error: %d\n", thing, error);
2794 if (flags & ZDB_FLAG_DECOMPRESS) {
2796 * We don't know how the data was compressed, so just try
2797 * every decompress function at every inflated blocksize.
2799 enum zio_compress c;
2800 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2801 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2803 bcopy(pbuf, pbuf2, psize);
2805 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize,
2806 SPA_MAXBLOCKSIZE - psize) == 0);
2808 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize,
2809 SPA_MAXBLOCKSIZE - psize) == 0);
2811 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize;
2812 lsize -= SPA_MINBLOCKSIZE) {
2813 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) {
2814 if (zio_decompress_data(c, pbuf, lbuf,
2815 psize, lsize) == 0 &&
2816 zio_decompress_data(c, pbuf2, lbuf2,
2817 psize, lsize) == 0 &&
2818 bcmp(lbuf, lbuf2, lsize) == 0)
2821 if (c != ZIO_COMPRESS_FUNCTIONS)
2823 lsize -= SPA_MINBLOCKSIZE;
2826 umem_free(pbuf2, SPA_MAXBLOCKSIZE);
2827 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
2829 if (lsize <= psize) {
2830 (void) printf("Decompress of %s failed\n", thing);
2840 if (flags & ZDB_FLAG_PRINT_BLKPTR)
2841 zdb_print_blkptr((blkptr_t *)(void *)
2842 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
2843 else if (flags & ZDB_FLAG_RAW)
2844 zdb_dump_block_raw(buf, size, flags);
2845 else if (flags & ZDB_FLAG_INDIRECT)
2846 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
2848 else if (flags & ZDB_FLAG_GBH)
2849 zdb_dump_gbh(buf, flags);
2851 zdb_dump_block(thing, buf, size, flags);
2854 umem_free(pbuf, SPA_MAXBLOCKSIZE);
2855 umem_free(lbuf, SPA_MAXBLOCKSIZE);
2860 pool_match(nvlist_t *cfg, char *tgt)
2862 uint64_t v, guid = strtoull(tgt, NULL, 0);
2866 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0)
2869 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0)
2870 return (strcmp(s, tgt) == 0);
2876 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv)
2879 nvlist_t *match = NULL;
2884 importargs_t args = { 0 };
2888 args.can_be_active = B_TRUE;
2890 if ((sepp = strpbrk(*target, "/@")) != NULL) {
2895 pools = zpool_search_import(g_zfs, &args);
2897 if (pools != NULL) {
2898 nvpair_t *elem = NULL;
2899 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2900 verify(nvpair_value_nvlist(elem, configp) == 0);
2901 if (pool_match(*configp, *target)) {
2903 if (match != NULL) {
2904 /* print previously found config */
2906 (void) printf("%s\n", name);
2907 dump_nvlist(match, 8);
2910 (void) printf("%s\n",
2912 dump_nvlist(*configp, 8);
2915 name = nvpair_name(elem);
2921 (void) fatal("\tMatched %d pools - use pool GUID "
2922 "instead of pool name or \n"
2923 "\tpool name part of a dataset name to select pool", count);
2928 * If pool GUID was specified for pool id, replace it with pool name
2930 if (name && (strstr(*target, name) != *target)) {
2931 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0);
2933 *target = umem_alloc(sz, UMEM_NOFAIL);
2934 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : "");
2937 *configp = name ? match : NULL;
2943 main(int argc, char **argv)
2946 struct rlimit rl = { 1024, 1024 };
2948 objset_t *os = NULL;
2952 char **searchdirs = NULL;
2955 nvlist_t *policy = NULL;
2956 uint64_t max_txg = UINT64_MAX;
2957 int rewind = ZPOOL_NEVER_REWIND;
2959 (void) setrlimit(RLIMIT_NOFILE, &rl);
2960 (void) enable_extended_FILE_stdio(-1, -1);
2962 dprintf_setup(&argc, argv);
2964 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) {
2994 if (searchdirs == NULL) {
2995 searchdirs = umem_alloc(sizeof (char *),
2998 char **tmp = umem_alloc((nsearch + 1) *
2999 sizeof (char *), UMEM_NOFAIL);
3000 bcopy(searchdirs, tmp, nsearch *
3002 umem_free(searchdirs,
3003 nsearch * sizeof (char *));
3006 searchdirs[nsearch++] = optarg;
3009 max_txg = strtoull(optarg, NULL, 0);
3010 if (max_txg < TXG_INITIAL) {
3011 (void) fprintf(stderr, "incorrect txg "
3012 "specified: %s\n", optarg);
3017 spa_config_path = optarg;
3025 if (!dump_opt['e'] && searchdirs != NULL) {
3026 (void) fprintf(stderr, "-p option requires use of -e\n");
3031 if ((g_zfs = libzfs_init()) == NULL)
3035 verbose = MAX(verbose, 1);
3037 for (c = 0; c < 256; c++) {
3038 if (dump_all && !strchr("elAFLRSXP", c))
3041 dump_opt[c] += verbose;
3044 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
3045 zfs_recover = (dump_opt['A'] > 1);
3050 if (argc < 2 && dump_opt['R'])
3053 if (!dump_opt['e'] && dump_opt['C']) {
3054 dump_cachefile(spa_config_path);
3060 if (dump_opt['l']) {
3061 dump_label(argv[0]);
3065 if (dump_opt['X'] || dump_opt['F'])
3066 rewind = ZPOOL_DO_REWIND |
3067 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
3069 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
3070 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 ||
3071 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0)
3072 fatal("internal error: %s", strerror(ENOMEM));
3077 if (dump_opt['e']) {
3078 nvlist_t *cfg = NULL;
3079 char *name = find_zpool(&target, &cfg, nsearch, searchdirs);
3083 if (dump_opt['C'] > 1) {
3084 (void) printf("\nConfiguration for import:\n");
3085 dump_nvlist(cfg, 8);
3087 if (nvlist_add_nvlist(cfg,
3088 ZPOOL_REWIND_POLICY, policy) != 0) {
3089 fatal("can't open '%s': %s",
3090 target, strerror(ENOMEM));
3092 if ((error = spa_import(name, cfg, NULL,
3093 ZFS_IMPORT_MISSING_LOG)) != 0) {
3094 error = spa_import(name, cfg, NULL,
3095 ZFS_IMPORT_VERBATIM);
3101 if (strpbrk(target, "/@") == NULL || dump_opt['R']) {
3102 error = spa_open_rewind(target, &spa, FTAG, policy,
3106 * If we're missing the log device then
3107 * try opening the pool after clearing the
3110 mutex_enter(&spa_namespace_lock);
3111 if ((spa = spa_lookup(target)) != NULL &&
3112 spa->spa_log_state == SPA_LOG_MISSING) {
3113 spa->spa_log_state = SPA_LOG_CLEAR;
3116 mutex_exit(&spa_namespace_lock);
3119 error = spa_open_rewind(target, &spa,
3120 FTAG, policy, NULL);
3124 error = dmu_objset_own(target, DMU_OST_ANY,
3128 nvlist_free(policy);
3131 fatal("can't open '%s': %s", target, strerror(error));
3135 if (!dump_opt['R']) {
3137 zopt_objects = argc;
3138 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
3139 for (i = 0; i < zopt_objects; i++) {
3141 zopt_object[i] = strtoull(argv[i], NULL, 0);
3142 if (zopt_object[i] == 0 && errno != 0)
3143 fatal("bad number %s: %s",
3144 argv[i], strerror(errno));
3147 (os != NULL) ? dump_dir(os) : dump_zpool(spa);
3149 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
3150 flagbits['c'] = ZDB_FLAG_CHECKSUM;
3151 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
3152 flagbits['e'] = ZDB_FLAG_BSWAP;
3153 flagbits['g'] = ZDB_FLAG_GBH;
3154 flagbits['i'] = ZDB_FLAG_INDIRECT;
3155 flagbits['p'] = ZDB_FLAG_PHYS;
3156 flagbits['r'] = ZDB_FLAG_RAW;
3158 for (i = 0; i < argc; i++)
3159 zdb_read_block(argv[i], spa);
3162 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG);
3164 fuid_table_destroy();
3165 sa_loaded = B_FALSE;