4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2012 by Delphix. All rights reserved.
28 #include <stdio_ext.h>
31 #include <sys/zfs_context.h>
33 #include <sys/spa_impl.h>
36 #include <sys/fs/zfs.h>
37 #include <sys/zfs_znode.h>
38 #include <sys/zfs_sa.h>
40 #include <sys/sa_impl.h>
42 #include <sys/vdev_impl.h>
43 #include <sys/metaslab_impl.h>
44 #include <sys/dmu_objset.h>
45 #include <sys/dsl_dir.h>
46 #include <sys/dsl_dataset.h>
47 #include <sys/dsl_pool.h>
50 #include <sys/zil_impl.h>
52 #include <sys/resource.h>
53 #include <sys/dmu_traverse.h>
54 #include <sys/zio_checksum.h>
55 #include <sys/zio_compress.h>
56 #include <sys/zfs_fuid.h>
59 #include <sys/zfeature.h>
64 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \
65 zio_compress_table[(idx)].ci_name : "UNKNOWN")
66 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \
67 zio_checksum_table[(idx)].ci_name : "UNKNOWN")
68 #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \
69 dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \
70 dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN")
71 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \
72 (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \
73 DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES))
76 extern int zfs_recover;
81 const char cmdname[] = "zdb";
82 uint8_t dump_opt[256];
84 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size);
86 extern void dump_intent_log(zilog_t *);
87 uint64_t *zopt_object = NULL;
89 libzfs_handle_t *g_zfs;
92 * These libumem hooks provide a reasonable set of defaults for the allocator's
93 * debugging facilities.
98 return ("default,verbose"); /* $UMEM_DEBUG setting */
102 _umem_logging_init(void)
104 return ("fail,contents"); /* $UMEM_LOGGING setting */
110 (void) fprintf(stderr,
111 "Usage: %s [-CumdibcsDvhLXFPA] [-t txg] [-e [-p path...]]"
112 "poolname [object...]\n"
113 " %s [-divPA] [-e -p path...] dataset [object...]\n"
114 " %s -m [-LXFPA] [-t txg] [-e [-p path...]]"
115 "poolname [vdev [metaslab...]]\n"
116 " %s -R [-A] [-e [-p path...]] poolname "
117 "vdev:offset:size[:flags]\n"
118 " %s -S [-PA] [-e [-p path...]] poolname\n"
119 " %s -l [-uA] device\n"
120 " %s -C [-A] [-U config]\n\n",
121 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
123 (void) fprintf(stderr, " Dataset name must include at least one "
124 "separator character '/' or '@'\n");
125 (void) fprintf(stderr, " If dataset name is specified, only that "
126 "dataset is dumped\n");
127 (void) fprintf(stderr, " If object numbers are specified, only "
128 "those objects are dumped\n\n");
129 (void) fprintf(stderr, " Options to control amount of output:\n");
130 (void) fprintf(stderr, " -u uberblock\n");
131 (void) fprintf(stderr, " -d dataset(s)\n");
132 (void) fprintf(stderr, " -i intent logs\n");
133 (void) fprintf(stderr, " -C config (or cachefile if alone)\n");
134 (void) fprintf(stderr, " -h pool history\n");
135 (void) fprintf(stderr, " -b block statistics\n");
136 (void) fprintf(stderr, " -m metaslabs\n");
137 (void) fprintf(stderr, " -c checksum all metadata (twice for "
138 "all data) blocks\n");
139 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
140 (void) fprintf(stderr, " -D dedup statistics\n");
141 (void) fprintf(stderr, " -S simulate dedup to measure effect\n");
142 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
143 (void) fprintf(stderr, " -l dump label contents\n");
144 (void) fprintf(stderr, " -L disable leak tracking (do not "
145 "load spacemaps)\n");
146 (void) fprintf(stderr, " -R read and display block from a "
148 (void) fprintf(stderr, " Below options are intended for use "
149 "with other options (except -l):\n");
150 (void) fprintf(stderr, " -A ignore assertions (-A), enable "
151 "panic recovery (-AA) or both (-AAA)\n");
152 (void) fprintf(stderr, " -F attempt automatic rewind within "
153 "safe range of transaction groups\n");
154 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate "
156 (void) fprintf(stderr, " -X attempt extreme rewind (does not "
157 "work with dataset)\n");
158 (void) fprintf(stderr, " -e pool is exported/destroyed/"
159 "has altroot/not in a cachefile\n");
160 (void) fprintf(stderr, " -p <path> -- use one or more with "
161 "-e to specify path to vdev dir\n");
162 (void) fprintf(stderr, " -P print numbers in parseable form\n");
163 (void) fprintf(stderr, " -t <txg> -- highest txg to use when "
164 "searching for uberblocks\n");
165 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
166 "to make only that option verbose\n");
167 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
172 * Called for usage errors that are discovered after a call to spa_open(),
173 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
177 fatal(const char *fmt, ...)
182 (void) fprintf(stderr, "%s: ", cmdname);
183 (void) vfprintf(stderr, fmt, ap);
185 (void) fprintf(stderr, "\n");
192 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
195 size_t nvsize = *(uint64_t *)data;
196 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
198 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
200 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
202 umem_free(packed, nvsize);
210 zdb_nicenum(uint64_t num, char *buf)
213 (void) sprintf(buf, "%llu", (longlong_t)num);
218 const char dump_zap_stars[] = "****************************************";
219 const int dump_zap_width = sizeof (dump_zap_stars) - 1;
222 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
225 int minidx = ZAP_HISTOGRAM_SIZE - 1;
229 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
232 if (histo[i] > 0 && i > maxidx)
234 if (histo[i] > 0 && i < minidx)
238 if (max < dump_zap_width)
239 max = dump_zap_width;
241 for (i = minidx; i <= maxidx; i++)
242 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
243 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
247 dump_zap_stats(objset_t *os, uint64_t object)
252 error = zap_get_stats(os, object, &zs);
256 if (zs.zs_ptrtbl_len == 0) {
257 ASSERT(zs.zs_num_blocks == 1);
258 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
259 (u_longlong_t)zs.zs_blocksize,
260 (u_longlong_t)zs.zs_num_entries);
264 (void) printf("\tFat ZAP stats:\n");
266 (void) printf("\t\tPointer table:\n");
267 (void) printf("\t\t\t%llu elements\n",
268 (u_longlong_t)zs.zs_ptrtbl_len);
269 (void) printf("\t\t\tzt_blk: %llu\n",
270 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
271 (void) printf("\t\t\tzt_numblks: %llu\n",
272 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
273 (void) printf("\t\t\tzt_shift: %llu\n",
274 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
275 (void) printf("\t\t\tzt_blks_copied: %llu\n",
276 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
277 (void) printf("\t\t\tzt_nextblk: %llu\n",
278 (u_longlong_t)zs.zs_ptrtbl_nextblk);
280 (void) printf("\t\tZAP entries: %llu\n",
281 (u_longlong_t)zs.zs_num_entries);
282 (void) printf("\t\tLeaf blocks: %llu\n",
283 (u_longlong_t)zs.zs_num_leafs);
284 (void) printf("\t\tTotal blocks: %llu\n",
285 (u_longlong_t)zs.zs_num_blocks);
286 (void) printf("\t\tzap_block_type: 0x%llx\n",
287 (u_longlong_t)zs.zs_block_type);
288 (void) printf("\t\tzap_magic: 0x%llx\n",
289 (u_longlong_t)zs.zs_magic);
290 (void) printf("\t\tzap_salt: 0x%llx\n",
291 (u_longlong_t)zs.zs_salt);
293 (void) printf("\t\tLeafs with 2^n pointers:\n");
294 dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
296 (void) printf("\t\tBlocks with n*5 entries:\n");
297 dump_zap_histogram(zs.zs_blocks_with_n5_entries);
299 (void) printf("\t\tBlocks n/10 full:\n");
300 dump_zap_histogram(zs.zs_blocks_n_tenths_full);
302 (void) printf("\t\tEntries with n chunks:\n");
303 dump_zap_histogram(zs.zs_entries_using_n_chunks);
305 (void) printf("\t\tBuckets with n entries:\n");
306 dump_zap_histogram(zs.zs_buckets_with_n_entries);
311 dump_none(objset_t *os, uint64_t object, void *data, size_t size)
317 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size)
319 (void) printf("\tUNKNOWN OBJECT TYPE\n");
324 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
330 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
336 dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
339 zap_attribute_t attr;
343 dump_zap_stats(os, object);
346 for (zap_cursor_init(&zc, os, object);
347 zap_cursor_retrieve(&zc, &attr) == 0;
348 zap_cursor_advance(&zc)) {
349 (void) printf("\t\t%s = ", attr.za_name);
350 if (attr.za_num_integers == 0) {
354 prop = umem_zalloc(attr.za_num_integers *
355 attr.za_integer_length, UMEM_NOFAIL);
356 (void) zap_lookup(os, object, attr.za_name,
357 attr.za_integer_length, attr.za_num_integers, prop);
358 if (attr.za_integer_length == 1) {
359 (void) printf("%s", (char *)prop);
361 for (i = 0; i < attr.za_num_integers; i++) {
362 switch (attr.za_integer_length) {
365 ((uint16_t *)prop)[i]);
369 ((uint32_t *)prop)[i]);
372 (void) printf("%lld ",
373 (u_longlong_t)((int64_t *)prop)[i]);
379 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
381 zap_cursor_fini(&zc);
386 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
388 dump_zap_stats(os, object);
389 /* contents are printed elsewhere, properly decoded */
394 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size)
397 zap_attribute_t attr;
399 dump_zap_stats(os, object);
402 for (zap_cursor_init(&zc, os, object);
403 zap_cursor_retrieve(&zc, &attr) == 0;
404 zap_cursor_advance(&zc)) {
405 (void) printf("\t\t%s = ", attr.za_name);
406 if (attr.za_num_integers == 0) {
410 (void) printf(" %llx : [%d:%d:%d]\n",
411 (u_longlong_t)attr.za_first_integer,
412 (int)ATTR_LENGTH(attr.za_first_integer),
413 (int)ATTR_BSWAP(attr.za_first_integer),
414 (int)ATTR_NUM(attr.za_first_integer));
416 zap_cursor_fini(&zc);
421 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size)
424 zap_attribute_t attr;
425 uint16_t *layout_attrs;
428 dump_zap_stats(os, object);
431 for (zap_cursor_init(&zc, os, object);
432 zap_cursor_retrieve(&zc, &attr) == 0;
433 zap_cursor_advance(&zc)) {
434 (void) printf("\t\t%s = [", attr.za_name);
435 if (attr.za_num_integers == 0) {
440 VERIFY(attr.za_integer_length == 2);
441 layout_attrs = umem_zalloc(attr.za_num_integers *
442 attr.za_integer_length, UMEM_NOFAIL);
444 VERIFY(zap_lookup(os, object, attr.za_name,
445 attr.za_integer_length,
446 attr.za_num_integers, layout_attrs) == 0);
448 for (i = 0; i != attr.za_num_integers; i++)
449 (void) printf(" %d ", (int)layout_attrs[i]);
450 (void) printf("]\n");
451 umem_free(layout_attrs,
452 attr.za_num_integers * attr.za_integer_length);
454 zap_cursor_fini(&zc);
459 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
462 zap_attribute_t attr;
463 const char *typenames[] = {
464 /* 0 */ "not specified",
466 /* 2 */ "Character Device",
467 /* 3 */ "3 (invalid)",
469 /* 5 */ "5 (invalid)",
470 /* 6 */ "Block Device",
471 /* 7 */ "7 (invalid)",
472 /* 8 */ "Regular File",
473 /* 9 */ "9 (invalid)",
474 /* 10 */ "Symbolic Link",
475 /* 11 */ "11 (invalid)",
478 /* 14 */ "Event Port",
479 /* 15 */ "15 (invalid)",
482 dump_zap_stats(os, object);
485 for (zap_cursor_init(&zc, os, object);
486 zap_cursor_retrieve(&zc, &attr) == 0;
487 zap_cursor_advance(&zc)) {
488 (void) printf("\t\t%s = %lld (type: %s)\n",
489 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
490 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
492 zap_cursor_fini(&zc);
496 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
498 uint64_t alloc, offset, entry;
499 uint8_t mapshift = sm->sm_shift;
500 uint64_t mapstart = sm->sm_start;
501 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
502 "INVALID", "INVALID", "INVALID", "INVALID" };
504 if (smo->smo_object == 0)
508 * Print out the freelist entries in both encoded and decoded form.
511 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
512 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset,
513 sizeof (entry), &entry, DMU_READ_PREFETCH));
514 if (SM_DEBUG_DECODE(entry)) {
515 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
516 (u_longlong_t)(offset / sizeof (entry)),
517 ddata[SM_DEBUG_ACTION_DECODE(entry)],
518 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
519 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
521 (void) printf("\t [%6llu] %c range:"
522 " %010llx-%010llx size: %06llx\n",
523 (u_longlong_t)(offset / sizeof (entry)),
524 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
525 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
526 mapshift) + mapstart),
527 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
528 mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
530 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
531 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
532 alloc += SM_RUN_DECODE(entry) << mapshift;
534 alloc -= SM_RUN_DECODE(entry) << mapshift;
537 if (alloc != smo->smo_alloc) {
538 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
539 "with space map summary (%llu)\n",
540 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
545 dump_metaslab_stats(metaslab_t *msp)
548 space_map_t *sm = &msp->ms_map;
549 avl_tree_t *t = sm->sm_pp_root;
550 int free_pct = sm->sm_space * 100 / sm->sm_size;
552 zdb_nicenum(space_map_maxsize(sm), maxbuf);
554 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
555 "segments", avl_numnodes(t), "maxsize", maxbuf,
556 "freepct", free_pct);
560 dump_metaslab(metaslab_t *msp)
562 vdev_t *vd = msp->ms_group->mg_vd;
563 spa_t *spa = vd->vdev_spa;
564 space_map_t *sm = &msp->ms_map;
565 space_map_obj_t *smo = &msp->ms_smo;
568 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf);
571 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
572 (u_longlong_t)(sm->sm_start / sm->sm_size),
573 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf);
575 if (dump_opt['m'] > 1 && !dump_opt['L']) {
576 mutex_enter(&msp->ms_lock);
577 space_map_load_wait(sm);
579 VERIFY(space_map_load(sm, zfs_metaslab_ops,
580 SM_FREE, smo, spa->spa_meta_objset) == 0);
581 dump_metaslab_stats(msp);
582 space_map_unload(sm);
583 mutex_exit(&msp->ms_lock);
586 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) {
587 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift));
589 mutex_enter(&msp->ms_lock);
590 dump_spacemap(spa->spa_meta_objset, smo, sm);
591 mutex_exit(&msp->ms_lock);
596 print_vdev_metaslab_header(vdev_t *vd)
598 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
599 (u_longlong_t)vd->vdev_id,
600 "metaslabs", (u_longlong_t)vd->vdev_ms_count,
601 "offset", "spacemap", "free");
602 (void) printf("\t%15s %19s %15s %10s\n",
603 "---------------", "-------------------",
604 "---------------", "-------------");
608 dump_metaslabs(spa_t *spa)
610 vdev_t *vd, *rvd = spa->spa_root_vdev;
611 uint64_t m, c = 0, children = rvd->vdev_children;
613 (void) printf("\nMetaslabs:\n");
615 if (!dump_opt['d'] && zopt_objects > 0) {
619 (void) fatal("bad vdev id: %llu", (u_longlong_t)c);
621 if (zopt_objects > 1) {
622 vd = rvd->vdev_child[c];
623 print_vdev_metaslab_header(vd);
625 for (m = 1; m < zopt_objects; m++) {
626 if (zopt_object[m] < vd->vdev_ms_count)
628 vd->vdev_ms[zopt_object[m]]);
630 (void) fprintf(stderr, "bad metaslab "
632 (u_longlong_t)zopt_object[m]);
639 for (; c < children; c++) {
640 vd = rvd->vdev_child[c];
641 print_vdev_metaslab_header(vd);
643 for (m = 0; m < vd->vdev_ms_count; m++)
644 dump_metaslab(vd->vdev_ms[m]);
650 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
652 const ddt_phys_t *ddp = dde->dde_phys;
653 const ddt_key_t *ddk = &dde->dde_key;
654 char *types[4] = { "ditto", "single", "double", "triple" };
655 char blkbuf[BP_SPRINTF_LEN];
658 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
659 if (ddp->ddp_phys_birth == 0)
661 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
662 sprintf_blkptr(blkbuf, &blk);
663 (void) printf("index %llx refcnt %llu %s %s\n",
664 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
670 dump_dedup_ratio(const ddt_stat_t *dds)
672 double rL, rP, rD, D, dedup, compress, copies;
674 if (dds->dds_blocks == 0)
677 rL = (double)dds->dds_ref_lsize;
678 rP = (double)dds->dds_ref_psize;
679 rD = (double)dds->dds_ref_dsize;
680 D = (double)dds->dds_dsize;
686 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
687 "dedup * compress / copies = %.2f\n\n",
688 dedup, compress, copies, dedup * compress / copies);
692 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
694 char name[DDT_NAMELEN];
697 dmu_object_info_t doi;
698 uint64_t count, dspace, mspace;
701 error = ddt_object_info(ddt, type, class, &doi);
707 error = ddt_object_count(ddt, type, class, &count);
712 dspace = doi.doi_physical_blocks_512 << 9;
713 mspace = doi.doi_fill_count * doi.doi_data_block_size;
715 ddt_object_name(ddt, type, class, name);
717 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
720 (u_longlong_t)(dspace / count),
721 (u_longlong_t)(mspace / count));
723 if (dump_opt['D'] < 3)
726 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
728 if (dump_opt['D'] < 4)
731 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
734 (void) printf("%s contents:\n\n", name);
736 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
737 dump_dde(ddt, &dde, walk);
739 ASSERT(error == ENOENT);
745 dump_all_ddts(spa_t *spa)
747 ddt_histogram_t ddh_total = { 0 };
748 ddt_stat_t dds_total = { 0 };
750 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
751 ddt_t *ddt = spa->spa_ddt[c];
752 for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
753 for (enum ddt_class class = 0; class < DDT_CLASSES;
755 dump_ddt(ddt, type, class);
760 ddt_get_dedup_stats(spa, &dds_total);
762 if (dds_total.dds_blocks == 0) {
763 (void) printf("All DDTs are empty\n");
769 if (dump_opt['D'] > 1) {
770 (void) printf("DDT histogram (aggregated over all DDTs):\n");
771 ddt_get_dedup_histogram(spa, &ddh_total);
772 zpool_dump_ddt(&dds_total, &ddh_total);
775 dump_dedup_ratio(&dds_total);
779 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
781 char *prefix = (void *)sm;
783 (void) printf("%s [%llu,%llu) length %llu\n",
786 (u_longlong_t)(start + size),
787 (u_longlong_t)(size));
791 dump_dtl(vdev_t *vd, int indent)
793 spa_t *spa = vd->vdev_spa;
795 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
798 spa_vdev_state_enter(spa, SCL_NONE);
799 required = vdev_dtl_required(vd);
800 (void) spa_vdev_state_exit(spa, NULL, 0);
803 (void) printf("\nDirty time logs:\n\n");
805 (void) printf("\t%*s%s [%s]\n", indent, "",
806 vd->vdev_path ? vd->vdev_path :
807 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
808 required ? "DTL-required" : "DTL-expendable");
810 for (int t = 0; t < DTL_TYPES; t++) {
811 space_map_t *sm = &vd->vdev_dtl[t];
812 if (sm->sm_space == 0)
814 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
815 indent + 2, "", name[t]);
816 mutex_enter(sm->sm_lock);
817 space_map_walk(sm, dump_dtl_seg, (void *)prefix);
818 mutex_exit(sm->sm_lock);
819 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
820 dump_spacemap(spa->spa_meta_objset,
821 &vd->vdev_dtl_smo, sm);
824 for (int c = 0; c < vd->vdev_children; c++)
825 dump_dtl(vd->vdev_child[c], indent + 4);
829 dump_history(spa_t *spa)
831 nvlist_t **events = NULL;
832 char buf[SPA_MAXBLOCKSIZE];
833 uint64_t resid, len, off = 0;
839 char internalstr[MAXPATHLEN];
844 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
845 (void) fprintf(stderr, "Unable to read history: "
846 "error %d\n", error);
850 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
856 (void) printf("\nHistory:\n");
857 for (int i = 0; i < num; i++) {
858 uint64_t time, txg, ievent;
861 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
864 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
866 if (nvlist_lookup_uint64(events[i],
867 ZPOOL_HIST_INT_EVENT, &ievent) != 0)
869 verify(nvlist_lookup_uint64(events[i],
870 ZPOOL_HIST_TXG, &txg) == 0);
871 verify(nvlist_lookup_string(events[i],
872 ZPOOL_HIST_INT_STR, &intstr) == 0);
873 if (ievent >= LOG_END)
876 (void) snprintf(internalstr,
877 sizeof (internalstr),
878 "[internal %s txg:%lld] %s",
879 zfs_history_event_names[ievent], txg,
884 (void) localtime_r(&tsec, &t);
885 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
886 (void) printf("%s %s\n", tbuf, cmd);
892 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
897 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb)
900 ASSERT(zb->zb_level < 0);
901 if (zb->zb_object == 0)
902 return (zb->zb_blkid);
903 return (zb->zb_blkid * BP_GET_LSIZE(bp));
906 ASSERT(zb->zb_level >= 0);
908 return ((zb->zb_blkid <<
909 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
910 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
914 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp)
916 const dva_t *dva = bp->blk_dva;
917 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
919 if (dump_opt['b'] >= 5) {
920 sprintf_blkptr(blkbuf, bp);
926 for (int i = 0; i < ndvas; i++)
927 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
928 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
929 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
930 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
932 (void) sprintf(blkbuf + strlen(blkbuf),
933 "%llxL/%llxP F=%llu B=%llu/%llu",
934 (u_longlong_t)BP_GET_LSIZE(bp),
935 (u_longlong_t)BP_GET_PSIZE(bp),
936 (u_longlong_t)bp->blk_fill,
937 (u_longlong_t)bp->blk_birth,
938 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
942 print_indirect(blkptr_t *bp, const zbookmark_t *zb,
943 const dnode_phys_t *dnp)
945 char blkbuf[BP_SPRINTF_LEN];
948 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
949 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
951 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
953 ASSERT(zb->zb_level >= 0);
955 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
956 if (l == zb->zb_level) {
957 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
963 sprintf_blkptr_compact(blkbuf, bp);
964 (void) printf("%s\n", blkbuf);
968 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
969 blkptr_t *bp, const zbookmark_t *zb)
973 if (bp->blk_birth == 0)
976 print_indirect(bp, zb, dnp);
978 if (BP_GET_LEVEL(bp) > 0) {
979 uint32_t flags = ARC_WAIT;
982 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
986 err = arc_read(NULL, spa, bp, arc_getbuf_func, &buf,
987 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
992 /* recursively visit blocks below this */
994 for (i = 0; i < epb; i++, cbp++) {
997 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
999 zb->zb_blkid * epb + i);
1000 err = visit_indirect(spa, dnp, cbp, &czb);
1003 fill += cbp->blk_fill;
1006 ASSERT3U(fill, ==, bp->blk_fill);
1007 (void) arc_buf_remove_ref(buf, &buf);
1015 dump_indirect(dnode_t *dn)
1017 dnode_phys_t *dnp = dn->dn_phys;
1021 (void) printf("Indirect blocks:\n");
1023 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
1024 dn->dn_object, dnp->dn_nlevels - 1, 0);
1025 for (j = 0; j < dnp->dn_nblkptr; j++) {
1027 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
1028 &dnp->dn_blkptr[j], &czb);
1031 (void) printf("\n");
1036 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1038 dsl_dir_phys_t *dd = data;
1045 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1047 crtime = dd->dd_creation_time;
1048 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1049 (void) printf("\t\thead_dataset_obj = %llu\n",
1050 (u_longlong_t)dd->dd_head_dataset_obj);
1051 (void) printf("\t\tparent_dir_obj = %llu\n",
1052 (u_longlong_t)dd->dd_parent_obj);
1053 (void) printf("\t\torigin_obj = %llu\n",
1054 (u_longlong_t)dd->dd_origin_obj);
1055 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1056 (u_longlong_t)dd->dd_child_dir_zapobj);
1057 zdb_nicenum(dd->dd_used_bytes, nice);
1058 (void) printf("\t\tused_bytes = %s\n", nice);
1059 zdb_nicenum(dd->dd_compressed_bytes, nice);
1060 (void) printf("\t\tcompressed_bytes = %s\n", nice);
1061 zdb_nicenum(dd->dd_uncompressed_bytes, nice);
1062 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
1063 zdb_nicenum(dd->dd_quota, nice);
1064 (void) printf("\t\tquota = %s\n", nice);
1065 zdb_nicenum(dd->dd_reserved, nice);
1066 (void) printf("\t\treserved = %s\n", nice);
1067 (void) printf("\t\tprops_zapobj = %llu\n",
1068 (u_longlong_t)dd->dd_props_zapobj);
1069 (void) printf("\t\tdeleg_zapobj = %llu\n",
1070 (u_longlong_t)dd->dd_deleg_zapobj);
1071 (void) printf("\t\tflags = %llx\n",
1072 (u_longlong_t)dd->dd_flags);
1075 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
1076 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1087 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1089 dsl_dataset_phys_t *ds = data;
1091 char used[32], compressed[32], uncompressed[32], unique[32];
1092 char blkbuf[BP_SPRINTF_LEN];
1097 ASSERT(size == sizeof (*ds));
1098 crtime = ds->ds_creation_time;
1099 zdb_nicenum(ds->ds_referenced_bytes, used);
1100 zdb_nicenum(ds->ds_compressed_bytes, compressed);
1101 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
1102 zdb_nicenum(ds->ds_unique_bytes, unique);
1103 sprintf_blkptr(blkbuf, &ds->ds_bp);
1105 (void) printf("\t\tdir_obj = %llu\n",
1106 (u_longlong_t)ds->ds_dir_obj);
1107 (void) printf("\t\tprev_snap_obj = %llu\n",
1108 (u_longlong_t)ds->ds_prev_snap_obj);
1109 (void) printf("\t\tprev_snap_txg = %llu\n",
1110 (u_longlong_t)ds->ds_prev_snap_txg);
1111 (void) printf("\t\tnext_snap_obj = %llu\n",
1112 (u_longlong_t)ds->ds_next_snap_obj);
1113 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1114 (u_longlong_t)ds->ds_snapnames_zapobj);
1115 (void) printf("\t\tnum_children = %llu\n",
1116 (u_longlong_t)ds->ds_num_children);
1117 (void) printf("\t\tuserrefs_obj = %llu\n",
1118 (u_longlong_t)ds->ds_userrefs_obj);
1119 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1120 (void) printf("\t\tcreation_txg = %llu\n",
1121 (u_longlong_t)ds->ds_creation_txg);
1122 (void) printf("\t\tdeadlist_obj = %llu\n",
1123 (u_longlong_t)ds->ds_deadlist_obj);
1124 (void) printf("\t\tused_bytes = %s\n", used);
1125 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1126 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1127 (void) printf("\t\tunique = %s\n", unique);
1128 (void) printf("\t\tfsid_guid = %llu\n",
1129 (u_longlong_t)ds->ds_fsid_guid);
1130 (void) printf("\t\tguid = %llu\n",
1131 (u_longlong_t)ds->ds_guid);
1132 (void) printf("\t\tflags = %llx\n",
1133 (u_longlong_t)ds->ds_flags);
1134 (void) printf("\t\tnext_clones_obj = %llu\n",
1135 (u_longlong_t)ds->ds_next_clones_obj);
1136 (void) printf("\t\tprops_obj = %llu\n",
1137 (u_longlong_t)ds->ds_props_obj);
1138 (void) printf("\t\tbp = %s\n", blkbuf);
1143 dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1145 char blkbuf[BP_SPRINTF_LEN];
1147 if (bp->blk_birth != 0) {
1148 sprintf_blkptr(blkbuf, bp);
1149 (void) printf("\t%s\n", blkbuf);
1155 dump_bptree(objset_t *os, uint64_t obj, char *name)
1161 if (dump_opt['d'] < 3)
1164 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db));
1166 zdb_nicenum(bt->bt_bytes, bytes);
1167 (void) printf("\n %s: %llu datasets, %s\n",
1168 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes);
1169 dmu_buf_rele(db, FTAG);
1171 if (dump_opt['d'] < 5)
1174 (void) printf("\n");
1176 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL);
1181 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1183 char blkbuf[BP_SPRINTF_LEN];
1185 ASSERT(bp->blk_birth != 0);
1186 sprintf_blkptr_compact(blkbuf, bp);
1187 (void) printf("\t%s\n", blkbuf);
1192 dump_bpobj(bpobj_t *bpo, char *name)
1198 if (dump_opt['d'] < 3)
1201 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes);
1202 if (bpo->bpo_havesubobj) {
1203 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
1204 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
1205 (void) printf("\n %s: %llu local blkptrs, %llu subobjs, "
1206 "%s (%s/%s comp)\n",
1207 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1208 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1209 bytes, comp, uncomp);
1211 (void) printf("\n %s: %llu blkptrs, %s\n",
1212 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, bytes);
1215 if (dump_opt['d'] < 5)
1218 (void) printf("\n");
1220 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1224 dump_deadlist(dsl_deadlist_t *dl)
1226 dsl_deadlist_entry_t *dle;
1231 if (dump_opt['d'] < 3)
1234 zdb_nicenum(dl->dl_phys->dl_used, bytes);
1235 zdb_nicenum(dl->dl_phys->dl_comp, comp);
1236 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);
1237 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1238 bytes, comp, uncomp);
1240 if (dump_opt['d'] < 4)
1243 (void) printf("\n");
1245 for (dle = avl_first(&dl->dl_tree); dle;
1246 dle = AVL_NEXT(&dl->dl_tree, dle)) {
1247 (void) printf(" mintxg %llu -> obj %llu\n",
1248 (longlong_t)dle->dle_mintxg,
1249 (longlong_t)dle->dle_bpobj.bpo_object);
1251 if (dump_opt['d'] >= 5)
1252 dump_bpobj(&dle->dle_bpobj, "");
1256 static avl_tree_t idx_tree;
1257 static avl_tree_t domain_tree;
1258 static boolean_t fuid_table_loaded;
1259 static boolean_t sa_loaded;
1260 sa_attr_type_t *sa_attr_table;
1263 fuid_table_destroy()
1265 if (fuid_table_loaded) {
1266 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1267 fuid_table_loaded = B_FALSE;
1272 * print uid or gid information.
1273 * For normal POSIX id just the id is printed in decimal format.
1274 * For CIFS files with FUID the fuid is printed in hex followed by
1275 * the doman-rid string.
1278 print_idstr(uint64_t id, const char *id_type)
1280 if (FUID_INDEX(id)) {
1283 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1284 (void) printf("\t%s %llx [%s-%d]\n", id_type,
1285 (u_longlong_t)id, domain, (int)FUID_RID(id));
1287 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
1293 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
1295 uint32_t uid_idx, gid_idx;
1297 uid_idx = FUID_INDEX(uid);
1298 gid_idx = FUID_INDEX(gid);
1300 /* Load domain table, if not already loaded */
1301 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1304 /* first find the fuid object. It lives in the master node */
1305 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1306 8, 1, &fuid_obj) == 0);
1307 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
1308 (void) zfs_fuid_table_load(os, fuid_obj,
1309 &idx_tree, &domain_tree);
1310 fuid_table_loaded = B_TRUE;
1313 print_idstr(uid, "uid");
1314 print_idstr(gid, "gid");
1319 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1321 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
1323 uint64_t xattr, rdev, gen;
1324 uint64_t uid, gid, mode, fsize, parent, links;
1326 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
1327 time_t z_crtime, z_atime, z_mtime, z_ctime;
1328 sa_bulk_attr_t bulk[12];
1333 uint64_t sa_attrs = 0;
1336 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR,
1337 8, 1, &version) == 0);
1338 if (version >= ZPL_VERSION_SA) {
1339 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
1340 8, 1, &sa_attrs) == 0);
1342 if ((error = sa_setup(os, sa_attrs, zfs_attr_table,
1343 ZPL_END, &sa_attr_table)) != 0) {
1344 (void) printf("sa_setup failed errno %d, can't "
1345 "display znode contents\n", error);
1351 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
1352 (void) printf("Failed to get handle for SA znode\n");
1356 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
1357 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
1358 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
1360 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
1361 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
1363 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
1365 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
1367 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
1369 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
1371 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
1373 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
1375 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
1378 if (sa_bulk_lookup(hdl, bulk, idx)) {
1379 (void) sa_handle_destroy(hdl);
1383 error = zfs_obj_to_path(os, object, path, sizeof (path));
1385 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
1386 (u_longlong_t)object);
1388 if (dump_opt['d'] < 3) {
1389 (void) printf("\t%s\n", path);
1390 (void) sa_handle_destroy(hdl);
1394 z_crtime = (time_t)crtm[0];
1395 z_atime = (time_t)acctm[0];
1396 z_mtime = (time_t)modtm[0];
1397 z_ctime = (time_t)chgtm[0];
1399 (void) printf("\tpath %s\n", path);
1400 dump_uidgid(os, uid, gid);
1401 (void) printf("\tatime %s", ctime(&z_atime));
1402 (void) printf("\tmtime %s", ctime(&z_mtime));
1403 (void) printf("\tctime %s", ctime(&z_ctime));
1404 (void) printf("\tcrtime %s", ctime(&z_crtime));
1405 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
1406 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
1407 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
1408 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
1409 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
1410 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
1411 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
1412 sizeof (uint64_t)) == 0)
1413 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
1414 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
1415 sizeof (uint64_t)) == 0)
1416 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
1417 sa_handle_destroy(hdl);
1422 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1428 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1432 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
1433 dump_none, /* unallocated */
1434 dump_zap, /* object directory */
1435 dump_uint64, /* object array */
1436 dump_none, /* packed nvlist */
1437 dump_packed_nvlist, /* packed nvlist size */
1438 dump_none, /* bplist */
1439 dump_none, /* bplist header */
1440 dump_none, /* SPA space map header */
1441 dump_none, /* SPA space map */
1442 dump_none, /* ZIL intent log */
1443 dump_dnode, /* DMU dnode */
1444 dump_dmu_objset, /* DMU objset */
1445 dump_dsl_dir, /* DSL directory */
1446 dump_zap, /* DSL directory child map */
1447 dump_zap, /* DSL dataset snap map */
1448 dump_zap, /* DSL props */
1449 dump_dsl_dataset, /* DSL dataset */
1450 dump_znode, /* ZFS znode */
1451 dump_acl, /* ZFS V0 ACL */
1452 dump_uint8, /* ZFS plain file */
1453 dump_zpldir, /* ZFS directory */
1454 dump_zap, /* ZFS master node */
1455 dump_zap, /* ZFS delete queue */
1456 dump_uint8, /* zvol object */
1457 dump_zap, /* zvol prop */
1458 dump_uint8, /* other uint8[] */
1459 dump_uint64, /* other uint64[] */
1460 dump_zap, /* other ZAP */
1461 dump_zap, /* persistent error log */
1462 dump_uint8, /* SPA history */
1463 dump_uint64, /* SPA history offsets */
1464 dump_zap, /* Pool properties */
1465 dump_zap, /* DSL permissions */
1466 dump_acl, /* ZFS ACL */
1467 dump_uint8, /* ZFS SYSACL */
1468 dump_none, /* FUID nvlist */
1469 dump_packed_nvlist, /* FUID nvlist size */
1470 dump_zap, /* DSL dataset next clones */
1471 dump_zap, /* DSL scrub queue */
1472 dump_zap, /* ZFS user/group used */
1473 dump_zap, /* ZFS user/group quota */
1474 dump_zap, /* snapshot refcount tags */
1475 dump_ddt_zap, /* DDT ZAP object */
1476 dump_zap, /* DDT statistics */
1477 dump_znode, /* SA object */
1478 dump_zap, /* SA Master Node */
1479 dump_sa_attrs, /* SA attribute registration */
1480 dump_sa_layouts, /* SA attribute layouts */
1481 dump_zap, /* DSL scrub translations */
1482 dump_none, /* fake dedup BP */
1483 dump_zap, /* deadlist */
1484 dump_none, /* deadlist hdr */
1485 dump_zap, /* dsl clones */
1486 dump_none, /* bpobj subobjs */
1487 dump_unknown, /* Unknown type, must be last */
1491 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1493 dmu_buf_t *db = NULL;
1494 dmu_object_info_t doi;
1498 char iblk[32], dblk[32], lsize[32], asize[32], fill[32];
1499 char bonus_size[32];
1503 if (*print_header) {
1504 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1505 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1511 dn = DMU_META_DNODE(os);
1513 error = dmu_bonus_hold(os, object, FTAG, &db);
1515 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1517 bonus = db->db_data;
1518 bsize = db->db_size;
1519 dn = DB_DNODE((dmu_buf_impl_t *)db);
1521 dmu_object_info_from_dnode(dn, &doi);
1523 zdb_nicenum(doi.doi_metadata_block_size, iblk);
1524 zdb_nicenum(doi.doi_data_block_size, dblk);
1525 zdb_nicenum(doi.doi_max_offset, lsize);
1526 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize);
1527 zdb_nicenum(doi.doi_bonus_size, bonus_size);
1528 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
1529 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
1530 doi.doi_max_offset);
1534 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1535 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1536 ZDB_CHECKSUM_NAME(doi.doi_checksum));
1539 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1540 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1541 ZDB_COMPRESS_NAME(doi.doi_compress));
1544 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1545 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
1546 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
1548 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1549 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1550 "", "", "", "", "", bonus_size, "bonus",
1551 ZDB_OT_NAME(doi.doi_bonus_type));
1554 if (verbosity >= 4) {
1555 (void) printf("\tdnode flags: %s%s%s\n",
1556 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
1558 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
1559 "USERUSED_ACCOUNTED " : "",
1560 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
1561 "SPILL_BLKPTR" : "");
1562 (void) printf("\tdnode maxblkid: %llu\n",
1563 (longlong_t)dn->dn_phys->dn_maxblkid);
1565 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
1567 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
1574 if (verbosity >= 5) {
1576 * Report the list of segments that comprise the object.
1580 uint64_t blkfill = 1;
1583 if (dn->dn_type == DMU_OT_DNODE) {
1585 blkfill = DNODES_PER_BLOCK;
1590 error = dnode_next_offset(dn,
1591 0, &start, minlvl, blkfill, 0);
1595 error = dnode_next_offset(dn,
1596 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1597 zdb_nicenum(end - start, segsize);
1598 (void) printf("\t\tsegment [%016llx, %016llx)"
1599 " size %5s\n", (u_longlong_t)start,
1600 (u_longlong_t)end, segsize);
1608 dmu_buf_rele(db, FTAG);
1611 static char *objset_types[DMU_OST_NUMTYPES] = {
1612 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1615 dump_dir(objset_t *os)
1617 dmu_objset_stats_t dds;
1618 uint64_t object, object_count;
1619 uint64_t refdbytes, usedobjs, scratch;
1621 char blkbuf[BP_SPRINTF_LEN + 20];
1622 char osname[MAXNAMELEN];
1623 char *type = "UNKNOWN";
1624 int verbosity = dump_opt['d'];
1625 int print_header = 1;
1628 dmu_objset_fast_stat(os, &dds);
1630 if (dds.dds_type < DMU_OST_NUMTYPES)
1631 type = objset_types[dds.dds_type];
1633 if (dds.dds_type == DMU_OST_META) {
1634 dds.dds_creation_txg = TXG_INITIAL;
1635 usedobjs = os->os_rootbp->blk_fill;
1636 refdbytes = os->os_spa->spa_dsl_pool->
1637 dp_mos_dir->dd_phys->dd_used_bytes;
1639 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1642 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill);
1644 zdb_nicenum(refdbytes, numbuf);
1646 if (verbosity >= 4) {
1647 (void) sprintf(blkbuf, ", rootbp ");
1648 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp);
1653 dmu_objset_name(os, osname);
1655 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1656 "%s, %llu objects%s\n",
1657 osname, type, (u_longlong_t)dmu_objset_id(os),
1658 (u_longlong_t)dds.dds_creation_txg,
1659 numbuf, (u_longlong_t)usedobjs, blkbuf);
1661 if (zopt_objects != 0) {
1662 for (i = 0; i < zopt_objects; i++)
1663 dump_object(os, zopt_object[i], verbosity,
1665 (void) printf("\n");
1669 if (dump_opt['i'] != 0 || verbosity >= 2)
1670 dump_intent_log(dmu_objset_zil(os));
1672 if (dmu_objset_ds(os) != NULL)
1673 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
1678 if (os->os_rootbp->blk_birth == 0)
1681 dump_object(os, 0, verbosity, &print_header);
1683 if (DMU_USERUSED_DNODE(os) != NULL &&
1684 DMU_USERUSED_DNODE(os)->dn_type != 0) {
1685 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
1686 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
1690 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1691 dump_object(os, object, verbosity, &print_header);
1695 ASSERT3U(object_count, ==, usedobjs);
1697 (void) printf("\n");
1699 if (error != ESRCH) {
1700 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1706 dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
1708 time_t timestamp = ub->ub_timestamp;
1710 (void) printf(header ? header : "");
1711 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1712 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1713 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1714 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1715 (void) printf("\ttimestamp = %llu UTC = %s",
1716 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp)));
1717 if (dump_opt['u'] >= 3) {
1718 char blkbuf[BP_SPRINTF_LEN];
1719 sprintf_blkptr(blkbuf, &ub->ub_rootbp);
1720 (void) printf("\trootbp = %s\n", blkbuf);
1722 (void) printf(footer ? footer : "");
1726 dump_config(spa_t *spa)
1733 error = dmu_bonus_hold(spa->spa_meta_objset,
1734 spa->spa_config_object, FTAG, &db);
1737 nvsize = *(uint64_t *)db->db_data;
1738 dmu_buf_rele(db, FTAG);
1740 (void) printf("\nMOS Configuration:\n");
1741 dump_packed_nvlist(spa->spa_meta_objset,
1742 spa->spa_config_object, (void *)&nvsize, 1);
1744 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
1745 (u_longlong_t)spa->spa_config_object, error);
1750 dump_cachefile(const char *cachefile)
1753 struct stat64 statbuf;
1757 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1758 (void) printf("cannot open '%s': %s\n", cachefile,
1763 if (fstat64(fd, &statbuf) != 0) {
1764 (void) printf("failed to stat '%s': %s\n", cachefile,
1769 if ((buf = malloc(statbuf.st_size)) == NULL) {
1770 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1771 (u_longlong_t)statbuf.st_size);
1775 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1776 (void) fprintf(stderr, "failed to read %llu bytes\n",
1777 (u_longlong_t)statbuf.st_size);
1783 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1784 (void) fprintf(stderr, "failed to unpack nvlist\n");
1790 dump_nvlist(config, 0);
1792 nvlist_free(config);
1795 #define ZDB_MAX_UB_HEADER_SIZE 32
1798 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
1802 char header[ZDB_MAX_UB_HEADER_SIZE];
1804 vd.vdev_ashift = ashift;
1805 vdp->vdev_top = vdp;
1807 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
1808 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
1809 uberblock_t *ub = (void *)((char *)lbl + uoff);
1811 if (uberblock_verify(ub))
1813 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
1814 "Uberblock[%d]\n", i);
1815 dump_uberblock(ub, header, "");
1820 dump_label(const char *dev)
1824 char *path, *buf = label.vl_vdev_phys.vp_nvlist;
1825 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1826 struct stat64 statbuf;
1827 uint64_t psize, ashift;
1828 int len = strlen(dev) + 1;
1830 if (strncmp(dev, "/dev/dsk/", 9) == 0) {
1833 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9);
1838 if ((fd = open64(path, O_RDONLY)) < 0) {
1839 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
1844 if (fstat64(fd, &statbuf) != 0) {
1845 (void) printf("failed to stat '%s': %s\n", path,
1852 if (S_ISBLK(statbuf.st_mode)) {
1853 (void) printf("cannot use '%s': character device required\n",
1860 psize = statbuf.st_size;
1861 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1863 for (int l = 0; l < VDEV_LABELS; l++) {
1864 nvlist_t *config = NULL;
1866 (void) printf("--------------------------------------------\n");
1867 (void) printf("LABEL %d\n", l);
1868 (void) printf("--------------------------------------------\n");
1870 if (pread64(fd, &label, sizeof (label),
1871 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1872 (void) printf("failed to read label %d\n", l);
1876 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1877 (void) printf("failed to unpack label %d\n", l);
1878 ashift = SPA_MINBLOCKSHIFT;
1880 nvlist_t *vdev_tree = NULL;
1882 dump_nvlist(config, 4);
1883 if ((nvlist_lookup_nvlist(config,
1884 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
1885 (nvlist_lookup_uint64(vdev_tree,
1886 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
1887 ashift = SPA_MINBLOCKSHIFT;
1888 nvlist_free(config);
1891 dump_label_uberblocks(&label, ashift);
1900 dump_one_dir(const char *dsname, void *arg)
1905 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os);
1907 (void) printf("Could not open %s, error %d\n", dsname, error);
1911 dmu_objset_disown(os, FTAG);
1912 fuid_table_destroy();
1913 sa_loaded = B_FALSE;
1920 typedef struct zdb_blkstats {
1928 * Extended object types to report deferred frees and dedup auto-ditto blocks.
1930 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
1931 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
1932 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2)
1933 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3)
1935 static char *zdb_ot_extname[] = {
1942 #define ZB_TOTAL DN_MAX_LEVELS
1944 typedef struct zdb_cb {
1945 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
1946 uint64_t zcb_dedup_asize;
1947 uint64_t zcb_dedup_blocks;
1948 uint64_t zcb_errors[256];
1955 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
1956 dmu_object_type_t type)
1958 uint64_t refcnt = 0;
1960 ASSERT(type < ZDB_OT_TOTAL);
1962 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
1965 for (int i = 0; i < 4; i++) {
1966 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
1967 int t = (i & 1) ? type : ZDB_OT_TOTAL;
1968 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
1970 zb->zb_asize += BP_GET_ASIZE(bp);
1971 zb->zb_lsize += BP_GET_LSIZE(bp);
1972 zb->zb_psize += BP_GET_PSIZE(bp);
1979 if (BP_GET_DEDUP(bp)) {
1983 ddt = ddt_select(zcb->zcb_spa, bp);
1985 dde = ddt_lookup(ddt, bp, B_FALSE);
1990 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
1991 ddt_phys_decref(ddp);
1992 refcnt = ddp->ddp_refcnt;
1993 if (ddt_phys_total_refcnt(dde) == 0)
1994 ddt_remove(ddt, dde);
1999 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
2000 refcnt ? 0 : spa_first_txg(zcb->zcb_spa),
2001 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
2005 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2006 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2008 zdb_cb_t *zcb = arg;
2009 char blkbuf[BP_SPRINTF_LEN];
2010 dmu_object_type_t type;
2011 boolean_t is_metadata;
2016 type = BP_GET_TYPE(bp);
2018 zdb_count_block(zcb, zilog, bp,
2019 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type);
2021 is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type));
2023 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
2025 size_t size = BP_GET_PSIZE(bp);
2026 void *data = malloc(size);
2027 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
2029 /* If it's an intent log block, failure is expected. */
2030 if (zb->zb_level == ZB_ZIL_LEVEL)
2031 flags |= ZIO_FLAG_SPECULATIVE;
2033 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
2034 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb));
2038 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) {
2039 zcb->zcb_haderrors = 1;
2040 zcb->zcb_errors[ioerr]++;
2042 if (dump_opt['b'] >= 2)
2043 sprintf_blkptr(blkbuf, bp);
2047 (void) printf("zdb_blkptr_cb: "
2048 "Got error %d reading "
2049 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2051 (u_longlong_t)zb->zb_objset,
2052 (u_longlong_t)zb->zb_object,
2053 (u_longlong_t)zb->zb_level,
2054 (u_longlong_t)zb->zb_blkid,
2059 zcb->zcb_readfails = 0;
2061 if (dump_opt['b'] >= 4) {
2062 sprintf_blkptr(blkbuf, bp);
2063 (void) printf("objset %llu object %llu "
2064 "level %lld offset 0x%llx %s\n",
2065 (u_longlong_t)zb->zb_objset,
2066 (u_longlong_t)zb->zb_object,
2067 (longlong_t)zb->zb_level,
2068 (u_longlong_t)blkid2offset(dnp, bp, zb),
2076 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
2078 vdev_t *vd = sm->sm_ppd;
2080 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2081 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
2086 zdb_space_map_load(space_map_t *sm)
2091 zdb_space_map_unload(space_map_t *sm)
2093 space_map_vacate(sm, zdb_leak, sm);
2098 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
2102 static space_map_ops_t zdb_space_map_ops = {
2104 zdb_space_map_unload,
2106 zdb_space_map_claim,
2112 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
2114 ddt_bookmark_t ddb = { 0 };
2118 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
2120 ddt_phys_t *ddp = dde.dde_phys;
2122 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
2125 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
2127 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
2128 if (ddp->ddp_phys_birth == 0)
2130 ddt_bp_create(ddb.ddb_checksum,
2131 &dde.dde_key, ddp, &blk);
2132 if (p == DDT_PHYS_DITTO) {
2133 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
2135 zcb->zcb_dedup_asize +=
2136 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
2137 zcb->zcb_dedup_blocks++;
2140 if (!dump_opt['L']) {
2141 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
2143 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
2148 ASSERT(error == ENOENT);
2152 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
2156 if (!dump_opt['L']) {
2157 vdev_t *rvd = spa->spa_root_vdev;
2158 for (int c = 0; c < rvd->vdev_children; c++) {
2159 vdev_t *vd = rvd->vdev_child[c];
2160 for (int m = 0; m < vd->vdev_ms_count; m++) {
2161 metaslab_t *msp = vd->vdev_ms[m];
2162 mutex_enter(&msp->ms_lock);
2163 space_map_unload(&msp->ms_map);
2164 VERIFY(space_map_load(&msp->ms_map,
2165 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo,
2166 spa->spa_meta_objset) == 0);
2167 msp->ms_map.sm_ppd = vd;
2168 mutex_exit(&msp->ms_lock);
2173 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2175 zdb_ddt_leak_init(spa, zcb);
2177 spa_config_exit(spa, SCL_CONFIG, FTAG);
2181 zdb_leak_fini(spa_t *spa)
2183 if (!dump_opt['L']) {
2184 vdev_t *rvd = spa->spa_root_vdev;
2185 for (int c = 0; c < rvd->vdev_children; c++) {
2186 vdev_t *vd = rvd->vdev_child[c];
2187 for (int m = 0; m < vd->vdev_ms_count; m++) {
2188 metaslab_t *msp = vd->vdev_ms[m];
2189 mutex_enter(&msp->ms_lock);
2190 space_map_unload(&msp->ms_map);
2191 mutex_exit(&msp->ms_lock);
2199 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
2201 zdb_cb_t *zcb = arg;
2203 if (dump_opt['b'] >= 4) {
2204 char blkbuf[BP_SPRINTF_LEN];
2205 sprintf_blkptr(blkbuf, bp);
2206 (void) printf("[%s] %s\n",
2207 "deferred free", blkbuf);
2209 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
2214 dump_block_stats(spa_t *spa)
2216 zdb_cb_t zcb = { 0 };
2217 zdb_blkstats_t *zb, *tzb;
2218 uint64_t norm_alloc, norm_space, total_alloc, total_found;
2219 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
2222 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
2223 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
2224 (dump_opt['c'] == 1) ? "metadata " : "",
2225 dump_opt['c'] ? "checksums " : "",
2226 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
2227 !dump_opt['L'] ? "nothing leaked " : "");
2230 * Load all space maps as SM_ALLOC maps, then traverse the pool
2231 * claiming each block we discover. If the pool is perfectly
2232 * consistent, the space maps will be empty when we're done.
2233 * Anything left over is a leak; any block we can't claim (because
2234 * it's not part of any space map) is a double allocation,
2235 * reference to a freed block, or an unclaimed log block.
2237 zdb_leak_init(spa, &zcb);
2240 * If there's a deferred-free bplist, process that first.
2242 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
2243 count_block_cb, &zcb, NULL);
2244 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2245 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
2246 count_block_cb, &zcb, NULL);
2248 if (spa_feature_is_active(spa,
2249 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
2250 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset,
2251 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb,
2255 if (dump_opt['c'] > 1)
2256 flags |= TRAVERSE_PREFETCH_DATA;
2258 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
2260 if (zcb.zcb_haderrors) {
2261 (void) printf("\nError counts:\n\n");
2262 (void) printf("\t%5s %s\n", "errno", "count");
2263 for (int e = 0; e < 256; e++) {
2264 if (zcb.zcb_errors[e] != 0) {
2265 (void) printf("\t%5d %llu\n",
2266 e, (u_longlong_t)zcb.zcb_errors[e]);
2272 * Report any leaked segments.
2276 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
2278 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
2279 norm_space = metaslab_class_get_space(spa_normal_class(spa));
2281 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
2282 total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
2284 if (total_found == total_alloc) {
2286 (void) printf("\n\tNo leaks (block sum matches space"
2287 " maps exactly)\n");
2289 (void) printf("block traversal size %llu != alloc %llu "
2291 (u_longlong_t)total_found,
2292 (u_longlong_t)total_alloc,
2293 (dump_opt['L']) ? "unreachable" : "leaked",
2294 (longlong_t)(total_alloc - total_found));
2298 if (tzb->zb_count == 0)
2301 (void) printf("\n");
2302 (void) printf("\tbp count: %10llu\n",
2303 (u_longlong_t)tzb->zb_count);
2304 (void) printf("\tbp logical: %10llu avg: %6llu\n",
2305 (u_longlong_t)tzb->zb_lsize,
2306 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
2307 (void) printf("\tbp physical: %10llu avg:"
2308 " %6llu compression: %6.2f\n",
2309 (u_longlong_t)tzb->zb_psize,
2310 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
2311 (double)tzb->zb_lsize / tzb->zb_psize);
2312 (void) printf("\tbp allocated: %10llu avg:"
2313 " %6llu compression: %6.2f\n",
2314 (u_longlong_t)tzb->zb_asize,
2315 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
2316 (double)tzb->zb_lsize / tzb->zb_asize);
2317 (void) printf("\tbp deduped: %10llu ref>1:"
2318 " %6llu deduplication: %6.2f\n",
2319 (u_longlong_t)zcb.zcb_dedup_asize,
2320 (u_longlong_t)zcb.zcb_dedup_blocks,
2321 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
2322 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2323 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
2325 if (dump_opt['b'] >= 2) {
2327 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2328 "\t avg\t comp\t%%Total\tType\n");
2330 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
2331 char csize[32], lsize[32], psize[32], asize[32];
2335 if (t < DMU_OT_NUMTYPES)
2336 typename = dmu_ot[t].ot_name;
2338 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
2340 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
2341 (void) printf("%6s\t%5s\t%5s\t%5s"
2342 "\t%5s\t%5s\t%6s\t%s\n",
2354 for (l = ZB_TOTAL - 1; l >= -1; l--) {
2355 level = (l == -1 ? ZB_TOTAL : l);
2356 zb = &zcb.zcb_type[level][t];
2358 if (zb->zb_asize == 0)
2361 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
2364 if (level == 0 && zb->zb_asize ==
2365 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
2368 zdb_nicenum(zb->zb_count, csize);
2369 zdb_nicenum(zb->zb_lsize, lsize);
2370 zdb_nicenum(zb->zb_psize, psize);
2371 zdb_nicenum(zb->zb_asize, asize);
2372 zdb_nicenum(zb->zb_asize / zb->zb_count, avg);
2374 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2376 csize, lsize, psize, asize, avg,
2377 (double)zb->zb_lsize / zb->zb_psize,
2378 100.0 * zb->zb_asize / tzb->zb_asize);
2380 if (level == ZB_TOTAL)
2381 (void) printf("%s\n", typename);
2383 (void) printf(" L%d %s\n",
2389 (void) printf("\n");
2394 if (zcb.zcb_haderrors)
2400 typedef struct zdb_ddt_entry {
2402 uint64_t zdde_ref_blocks;
2403 uint64_t zdde_ref_lsize;
2404 uint64_t zdde_ref_psize;
2405 uint64_t zdde_ref_dsize;
2406 avl_node_t zdde_node;
2411 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2412 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2414 avl_tree_t *t = arg;
2416 zdb_ddt_entry_t *zdde, zdde_search;
2421 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
2422 (void) printf("traversing objset %llu, %llu objects, "
2423 "%lu blocks so far\n",
2424 (u_longlong_t)zb->zb_objset,
2425 (u_longlong_t)bp->blk_fill,
2429 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
2430 BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp)))
2433 ddt_key_fill(&zdde_search.zdde_key, bp);
2435 zdde = avl_find(t, &zdde_search, &where);
2438 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
2439 zdde->zdde_key = zdde_search.zdde_key;
2440 avl_insert(t, zdde, where);
2443 zdde->zdde_ref_blocks += 1;
2444 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
2445 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
2446 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
2452 dump_simulated_ddt(spa_t *spa)
2455 void *cookie = NULL;
2456 zdb_ddt_entry_t *zdde;
2457 ddt_histogram_t ddh_total = { 0 };
2458 ddt_stat_t dds_total = { 0 };
2460 avl_create(&t, ddt_entry_compare,
2461 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
2463 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2465 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
2466 zdb_ddt_add_cb, &t);
2468 spa_config_exit(spa, SCL_CONFIG, FTAG);
2470 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
2472 uint64_t refcnt = zdde->zdde_ref_blocks;
2473 ASSERT(refcnt != 0);
2475 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
2476 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
2477 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
2478 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
2480 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
2481 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
2482 dds.dds_ref_psize = zdde->zdde_ref_psize;
2483 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
2485 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0);
2487 umem_free(zdde, sizeof (*zdde));
2492 ddt_histogram_stat(&dds_total, &ddh_total);
2494 (void) printf("Simulated DDT histogram:\n");
2496 zpool_dump_ddt(&dds_total, &ddh_total);
2498 dump_dedup_ratio(&dds_total);
2502 dump_zpool(spa_t *spa)
2504 dsl_pool_t *dp = spa_get_dsl(spa);
2507 if (dump_opt['S']) {
2508 dump_simulated_ddt(spa);
2512 if (!dump_opt['e'] && dump_opt['C'] > 1) {
2513 (void) printf("\nCached configuration:\n");
2514 dump_nvlist(spa->spa_config, 8);
2521 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
2526 if (dump_opt['d'] > 2 || dump_opt['m'])
2527 dump_metaslabs(spa);
2529 if (dump_opt['d'] || dump_opt['i']) {
2530 dump_dir(dp->dp_meta_objset);
2531 if (dump_opt['d'] >= 3) {
2532 dump_bpobj(&spa->spa_deferred_bpobj, "Deferred frees");
2533 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2534 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
2535 "Pool snapshot frees");
2538 if (spa_feature_is_active(spa,
2539 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
2540 dump_bptree(spa->spa_meta_objset,
2541 spa->spa_dsl_pool->dp_bptree_obj,
2542 "Pool dataset frees");
2544 dump_dtl(spa->spa_root_vdev, 0);
2546 (void) dmu_objset_find(spa_name(spa), dump_one_dir,
2547 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
2549 if (dump_opt['b'] || dump_opt['c'])
2550 rc = dump_block_stats(spa);
2553 show_pool_stats(spa);
2562 #define ZDB_FLAG_CHECKSUM 0x0001
2563 #define ZDB_FLAG_DECOMPRESS 0x0002
2564 #define ZDB_FLAG_BSWAP 0x0004
2565 #define ZDB_FLAG_GBH 0x0008
2566 #define ZDB_FLAG_INDIRECT 0x0010
2567 #define ZDB_FLAG_PHYS 0x0020
2568 #define ZDB_FLAG_RAW 0x0040
2569 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
2574 zdb_print_blkptr(blkptr_t *bp, int flags)
2576 char blkbuf[BP_SPRINTF_LEN];
2578 if (flags & ZDB_FLAG_BSWAP)
2579 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
2581 sprintf_blkptr(blkbuf, bp);
2582 (void) printf("%s\n", blkbuf);
2586 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
2590 for (i = 0; i < nbps; i++)
2591 zdb_print_blkptr(&bp[i], flags);
2595 zdb_dump_gbh(void *buf, int flags)
2597 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
2601 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
2603 if (flags & ZDB_FLAG_BSWAP)
2604 byteswap_uint64_array(buf, size);
2605 (void) write(1, buf, size);
2609 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
2611 uint64_t *d = (uint64_t *)buf;
2612 int nwords = size / sizeof (uint64_t);
2613 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
2619 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
2621 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
2623 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
2625 for (i = 0; i < nwords; i += 2) {
2626 (void) printf("%06llx: %016llx %016llx ",
2627 (u_longlong_t)(i * sizeof (uint64_t)),
2628 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
2629 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
2632 for (j = 0; j < 2 * sizeof (uint64_t); j++)
2633 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
2634 (void) printf("\n");
2639 * There are two acceptable formats:
2640 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
2641 * child[.child]* - For example: 0.1.1
2643 * The second form can be used to specify arbitrary vdevs anywhere
2644 * in the heirarchy. For example, in a pool with a mirror of
2645 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
2648 zdb_vdev_lookup(vdev_t *vdev, char *path)
2656 /* First, assume the x.x.x.x format */
2657 i = (int)strtoul(path, &s, 10);
2658 if (s == path || (s && *s != '.' && *s != '\0'))
2660 if (i < 0 || i >= vdev->vdev_children)
2663 vdev = vdev->vdev_child[i];
2666 return (zdb_vdev_lookup(vdev, s+1));
2669 for (i = 0; i < vdev->vdev_children; i++) {
2670 vdev_t *vc = vdev->vdev_child[i];
2672 if (vc->vdev_path == NULL) {
2673 vc = zdb_vdev_lookup(vc, path);
2680 p = strrchr(vc->vdev_path, '/');
2681 p = p ? p + 1 : vc->vdev_path;
2682 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
2684 if (strcmp(vc->vdev_path, path) == 0)
2686 if (strcmp(p, path) == 0)
2688 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
2696 * Read a block from a pool and print it out. The syntax of the
2697 * block descriptor is:
2699 * pool:vdev_specifier:offset:size[:flags]
2701 * pool - The name of the pool you wish to read from
2702 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
2703 * offset - offset, in hex, in bytes
2704 * size - Amount of data to read, in hex, in bytes
2705 * flags - A string of characters specifying options
2706 * b: Decode a blkptr at given offset within block
2707 * *c: Calculate and display checksums
2708 * d: Decompress data before dumping
2709 * e: Byteswap data before dumping
2710 * g: Display data as a gang block header
2711 * i: Display as an indirect block
2712 * p: Do I/O to physical offset
2713 * r: Dump raw data to stdout
2715 * * = not yet implemented
2718 zdb_read_block(char *thing, spa_t *spa)
2720 blkptr_t blk, *bp = &blk;
2721 dva_t *dva = bp->blk_dva;
2723 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0;
2726 void *pbuf, *lbuf, *buf;
2727 char *s, *p, *dup, *vdev, *flagstr;
2730 dup = strdup(thing);
2731 s = strtok(dup, ":");
2733 s = strtok(NULL, ":");
2734 offset = strtoull(s ? s : "", NULL, 16);
2735 s = strtok(NULL, ":");
2736 size = strtoull(s ? s : "", NULL, 16);
2737 s = strtok(NULL, ":");
2738 flagstr = s ? s : "";
2742 s = "size must not be zero";
2743 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2744 s = "size must be a multiple of sector size";
2745 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2746 s = "offset must be a multiple of sector size";
2748 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2753 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2754 for (i = 0; flagstr[i]; i++) {
2755 int bit = flagbits[(uchar_t)flagstr[i]];
2758 (void) printf("***Invalid flag: %c\n",
2764 /* If it's not something with an argument, keep going */
2765 if ((bit & (ZDB_FLAG_CHECKSUM |
2766 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2769 p = &flagstr[i + 1];
2770 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2771 blkptr_offset = strtoull(p, &p, 16);
2772 if (*p != ':' && *p != '\0') {
2773 (void) printf("***Invalid flag arg: '%s'\n", s);
2780 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2782 (void) printf("***Invalid vdev: %s\n", vdev);
2787 (void) fprintf(stderr, "Found vdev: %s\n",
2790 (void) fprintf(stderr, "Found vdev type: %s\n",
2791 vd->vdev_ops->vdev_op_type);
2797 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2798 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2802 DVA_SET_VDEV(&dva[0], vd->vdev_id);
2803 DVA_SET_OFFSET(&dva[0], offset);
2804 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
2805 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
2807 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
2809 BP_SET_LSIZE(bp, lsize);
2810 BP_SET_PSIZE(bp, psize);
2811 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
2812 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
2813 BP_SET_TYPE(bp, DMU_OT_NONE);
2814 BP_SET_LEVEL(bp, 0);
2815 BP_SET_DEDUP(bp, 0);
2816 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
2818 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
2819 zio = zio_root(spa, NULL, NULL, 0);
2821 if (vd == vd->vdev_top) {
2823 * Treat this as a normal block read.
2825 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL,
2826 ZIO_PRIORITY_SYNC_READ,
2827 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
2830 * Treat this as a vdev child I/O.
2832 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize,
2833 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
2834 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
2835 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
2836 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
2839 error = zio_wait(zio);
2840 spa_config_exit(spa, SCL_STATE, FTAG);
2843 (void) printf("Read of %s failed, error: %d\n", thing, error);
2847 if (flags & ZDB_FLAG_DECOMPRESS) {
2849 * We don't know how the data was compressed, so just try
2850 * every decompress function at every inflated blocksize.
2852 enum zio_compress c;
2853 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2854 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2856 bcopy(pbuf, pbuf2, psize);
2858 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize,
2859 SPA_MAXBLOCKSIZE - psize) == 0);
2861 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize,
2862 SPA_MAXBLOCKSIZE - psize) == 0);
2864 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize;
2865 lsize -= SPA_MINBLOCKSIZE) {
2866 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) {
2867 if (zio_decompress_data(c, pbuf, lbuf,
2868 psize, lsize) == 0 &&
2869 zio_decompress_data(c, pbuf2, lbuf2,
2870 psize, lsize) == 0 &&
2871 bcmp(lbuf, lbuf2, lsize) == 0)
2874 if (c != ZIO_COMPRESS_FUNCTIONS)
2876 lsize -= SPA_MINBLOCKSIZE;
2879 umem_free(pbuf2, SPA_MAXBLOCKSIZE);
2880 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
2882 if (lsize <= psize) {
2883 (void) printf("Decompress of %s failed\n", thing);
2893 if (flags & ZDB_FLAG_PRINT_BLKPTR)
2894 zdb_print_blkptr((blkptr_t *)(void *)
2895 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
2896 else if (flags & ZDB_FLAG_RAW)
2897 zdb_dump_block_raw(buf, size, flags);
2898 else if (flags & ZDB_FLAG_INDIRECT)
2899 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
2901 else if (flags & ZDB_FLAG_GBH)
2902 zdb_dump_gbh(buf, flags);
2904 zdb_dump_block(thing, buf, size, flags);
2907 umem_free(pbuf, SPA_MAXBLOCKSIZE);
2908 umem_free(lbuf, SPA_MAXBLOCKSIZE);
2913 pool_match(nvlist_t *cfg, char *tgt)
2915 uint64_t v, guid = strtoull(tgt, NULL, 0);
2919 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0)
2922 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0)
2923 return (strcmp(s, tgt) == 0);
2929 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv)
2932 nvlist_t *match = NULL;
2937 importargs_t args = { 0 };
2941 args.can_be_active = B_TRUE;
2943 if ((sepp = strpbrk(*target, "/@")) != NULL) {
2948 pools = zpool_search_import(g_zfs, &args);
2950 if (pools != NULL) {
2951 nvpair_t *elem = NULL;
2952 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2953 verify(nvpair_value_nvlist(elem, configp) == 0);
2954 if (pool_match(*configp, *target)) {
2956 if (match != NULL) {
2957 /* print previously found config */
2959 (void) printf("%s\n", name);
2960 dump_nvlist(match, 8);
2963 (void) printf("%s\n",
2965 dump_nvlist(*configp, 8);
2968 name = nvpair_name(elem);
2974 (void) fatal("\tMatched %d pools - use pool GUID "
2975 "instead of pool name or \n"
2976 "\tpool name part of a dataset name to select pool", count);
2981 * If pool GUID was specified for pool id, replace it with pool name
2983 if (name && (strstr(*target, name) != *target)) {
2984 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0);
2986 *target = umem_alloc(sz, UMEM_NOFAIL);
2987 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : "");
2990 *configp = name ? match : NULL;
2996 main(int argc, char **argv)
2999 struct rlimit rl = { 1024, 1024 };
3001 objset_t *os = NULL;
3005 char **searchdirs = NULL;
3008 nvlist_t *policy = NULL;
3009 uint64_t max_txg = UINT64_MAX;
3010 int rewind = ZPOOL_NEVER_REWIND;
3012 (void) setrlimit(RLIMIT_NOFILE, &rl);
3013 (void) enable_extended_FILE_stdio(-1, -1);
3015 dprintf_setup(&argc, argv);
3017 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) {
3047 if (searchdirs == NULL) {
3048 searchdirs = umem_alloc(sizeof (char *),
3051 char **tmp = umem_alloc((nsearch + 1) *
3052 sizeof (char *), UMEM_NOFAIL);
3053 bcopy(searchdirs, tmp, nsearch *
3055 umem_free(searchdirs,
3056 nsearch * sizeof (char *));
3059 searchdirs[nsearch++] = optarg;
3062 max_txg = strtoull(optarg, NULL, 0);
3063 if (max_txg < TXG_INITIAL) {
3064 (void) fprintf(stderr, "incorrect txg "
3065 "specified: %s\n", optarg);
3070 spa_config_path = optarg;
3078 if (!dump_opt['e'] && searchdirs != NULL) {
3079 (void) fprintf(stderr, "-p option requires use of -e\n");
3084 g_zfs = libzfs_init();
3085 ASSERT(g_zfs != NULL);
3088 verbose = MAX(verbose, 1);
3090 for (c = 0; c < 256; c++) {
3091 if (dump_all && !strchr("elAFLRSXP", c))
3094 dump_opt[c] += verbose;
3097 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
3098 zfs_recover = (dump_opt['A'] > 1);
3103 if (argc < 2 && dump_opt['R'])
3106 if (!dump_opt['e'] && dump_opt['C']) {
3107 dump_cachefile(spa_config_path);
3113 if (dump_opt['l']) {
3114 dump_label(argv[0]);
3118 if (dump_opt['X'] || dump_opt['F'])
3119 rewind = ZPOOL_DO_REWIND |
3120 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
3122 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
3123 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 ||
3124 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0)
3125 fatal("internal error: %s", strerror(ENOMEM));
3130 if (dump_opt['e']) {
3131 nvlist_t *cfg = NULL;
3132 char *name = find_zpool(&target, &cfg, nsearch, searchdirs);
3136 if (dump_opt['C'] > 1) {
3137 (void) printf("\nConfiguration for import:\n");
3138 dump_nvlist(cfg, 8);
3140 if (nvlist_add_nvlist(cfg,
3141 ZPOOL_REWIND_POLICY, policy) != 0) {
3142 fatal("can't open '%s': %s",
3143 target, strerror(ENOMEM));
3145 if ((error = spa_import(name, cfg, NULL,
3146 ZFS_IMPORT_MISSING_LOG)) != 0) {
3147 error = spa_import(name, cfg, NULL,
3148 ZFS_IMPORT_VERBATIM);
3154 if (strpbrk(target, "/@") == NULL || dump_opt['R']) {
3155 error = spa_open_rewind(target, &spa, FTAG, policy,
3159 * If we're missing the log device then
3160 * try opening the pool after clearing the
3163 mutex_enter(&spa_namespace_lock);
3164 if ((spa = spa_lookup(target)) != NULL &&
3165 spa->spa_log_state == SPA_LOG_MISSING) {
3166 spa->spa_log_state = SPA_LOG_CLEAR;
3169 mutex_exit(&spa_namespace_lock);
3172 error = spa_open_rewind(target, &spa,
3173 FTAG, policy, NULL);
3177 error = dmu_objset_own(target, DMU_OST_ANY,
3181 nvlist_free(policy);
3184 fatal("can't open '%s': %s", target, strerror(error));
3188 if (!dump_opt['R']) {
3190 zopt_objects = argc;
3191 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
3192 for (i = 0; i < zopt_objects; i++) {
3194 zopt_object[i] = strtoull(argv[i], NULL, 0);
3195 if (zopt_object[i] == 0 && errno != 0)
3196 fatal("bad number %s: %s",
3197 argv[i], strerror(errno));
3202 } else if (zopt_objects > 0 && !dump_opt['m']) {
3203 dump_dir(spa->spa_meta_objset);
3208 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
3209 flagbits['c'] = ZDB_FLAG_CHECKSUM;
3210 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
3211 flagbits['e'] = ZDB_FLAG_BSWAP;
3212 flagbits['g'] = ZDB_FLAG_GBH;
3213 flagbits['i'] = ZDB_FLAG_INDIRECT;
3214 flagbits['p'] = ZDB_FLAG_PHYS;
3215 flagbits['r'] = ZDB_FLAG_RAW;
3217 for (i = 0; i < argc; i++)
3218 zdb_read_block(argv[i], spa);
3221 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG);
3223 fuid_table_destroy();
3224 sa_loaded = B_FALSE;