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 [-CumdibcsDvhLXFPA] [-t txg] [-e [-p path...]] "
105 "poolname [object...]\n"
106 " %s [-divPA] [-e -p path...] dataset [object...]\n"
107 " %s -m [-LXFPA] [-t txg] [-e [-p path...]] "
108 "poolname [vdev [metaslab...]]\n"
109 " %s -R [-A] [-e [-p path...]] poolname "
110 "vdev:offset:size[:flags]\n"
111 " %s -S [-PA] [-e [-p path...]] poolname\n"
112 " %s -l [-uA] device\n"
113 " %s -C [-A] [-U config]\n\n",
114 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname);
116 (void) fprintf(stderr, " Dataset name must include at least one "
117 "separator character '/' or '@'\n");
118 (void) fprintf(stderr, " If dataset name is specified, only that "
119 "dataset is dumped\n");
120 (void) fprintf(stderr, " If object numbers are specified, only "
121 "those objects are dumped\n\n");
122 (void) fprintf(stderr, " Options to control amount of output:\n");
123 (void) fprintf(stderr, " -u uberblock\n");
124 (void) fprintf(stderr, " -d dataset(s)\n");
125 (void) fprintf(stderr, " -i intent logs\n");
126 (void) fprintf(stderr, " -C config (or cachefile if alone)\n");
127 (void) fprintf(stderr, " -h pool history\n");
128 (void) fprintf(stderr, " -b block statistics\n");
129 (void) fprintf(stderr, " -m metaslabs\n");
130 (void) fprintf(stderr, " -c checksum all metadata (twice for "
131 "all data) blocks\n");
132 (void) fprintf(stderr, " -s report stats on zdb's I/O\n");
133 (void) fprintf(stderr, " -D dedup statistics\n");
134 (void) fprintf(stderr, " -S simulate dedup to measure effect\n");
135 (void) fprintf(stderr, " -v verbose (applies to all others)\n");
136 (void) fprintf(stderr, " -l dump label contents\n");
137 (void) fprintf(stderr, " -L disable leak tracking (do not "
138 "load spacemaps)\n");
139 (void) fprintf(stderr, " -R read and display block from a "
141 (void) fprintf(stderr, " Below options are intended for use "
142 "with other options (except -l):\n");
143 (void) fprintf(stderr, " -A ignore assertions (-A), enable "
144 "panic recovery (-AA) or both (-AAA)\n");
145 (void) fprintf(stderr, " -F attempt automatic rewind within "
146 "safe range of transaction groups\n");
147 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate "
149 (void) fprintf(stderr, " -X attempt extreme rewind (does not "
150 "work with dataset)\n");
151 (void) fprintf(stderr, " -e pool is exported/destroyed/"
152 "has altroot/not in a cachefile\n");
153 (void) fprintf(stderr, " -p <path> -- use one or more with "
154 "-e to specify path to vdev dir\n");
155 (void) fprintf(stderr, " -P print numbers in parseable form\n");
156 (void) fprintf(stderr, " -t <txg> -- highest txg to use when "
157 "searching for uberblocks\n");
158 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
159 "to make only that option verbose\n");
160 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
165 * Called for usage errors that are discovered after a call to spa_open(),
166 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors.
170 fatal(const char *fmt, ...)
175 (void) fprintf(stderr, "%s: ", cmdname);
176 (void) vfprintf(stderr, fmt, ap);
178 (void) fprintf(stderr, "\n");
185 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size)
188 size_t nvsize = *(uint64_t *)data;
189 char *packed = umem_alloc(nvsize, UMEM_NOFAIL);
191 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH));
193 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0);
195 umem_free(packed, nvsize);
203 zdb_nicenum(uint64_t num, char *buf)
206 (void) sprintf(buf, "%llu", (longlong_t)num);
211 const char dump_zap_stars[] = "****************************************";
212 const int dump_zap_width = sizeof (dump_zap_stars) - 1;
215 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE])
218 int minidx = ZAP_HISTOGRAM_SIZE - 1;
222 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) {
225 if (histo[i] > 0 && i > maxidx)
227 if (histo[i] > 0 && i < minidx)
231 if (max < dump_zap_width)
232 max = dump_zap_width;
234 for (i = minidx; i <= maxidx; i++)
235 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i],
236 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]);
240 dump_zap_stats(objset_t *os, uint64_t object)
245 error = zap_get_stats(os, object, &zs);
249 if (zs.zs_ptrtbl_len == 0) {
250 ASSERT(zs.zs_num_blocks == 1);
251 (void) printf("\tmicrozap: %llu bytes, %llu entries\n",
252 (u_longlong_t)zs.zs_blocksize,
253 (u_longlong_t)zs.zs_num_entries);
257 (void) printf("\tFat ZAP stats:\n");
259 (void) printf("\t\tPointer table:\n");
260 (void) printf("\t\t\t%llu elements\n",
261 (u_longlong_t)zs.zs_ptrtbl_len);
262 (void) printf("\t\t\tzt_blk: %llu\n",
263 (u_longlong_t)zs.zs_ptrtbl_zt_blk);
264 (void) printf("\t\t\tzt_numblks: %llu\n",
265 (u_longlong_t)zs.zs_ptrtbl_zt_numblks);
266 (void) printf("\t\t\tzt_shift: %llu\n",
267 (u_longlong_t)zs.zs_ptrtbl_zt_shift);
268 (void) printf("\t\t\tzt_blks_copied: %llu\n",
269 (u_longlong_t)zs.zs_ptrtbl_blks_copied);
270 (void) printf("\t\t\tzt_nextblk: %llu\n",
271 (u_longlong_t)zs.zs_ptrtbl_nextblk);
273 (void) printf("\t\tZAP entries: %llu\n",
274 (u_longlong_t)zs.zs_num_entries);
275 (void) printf("\t\tLeaf blocks: %llu\n",
276 (u_longlong_t)zs.zs_num_leafs);
277 (void) printf("\t\tTotal blocks: %llu\n",
278 (u_longlong_t)zs.zs_num_blocks);
279 (void) printf("\t\tzap_block_type: 0x%llx\n",
280 (u_longlong_t)zs.zs_block_type);
281 (void) printf("\t\tzap_magic: 0x%llx\n",
282 (u_longlong_t)zs.zs_magic);
283 (void) printf("\t\tzap_salt: 0x%llx\n",
284 (u_longlong_t)zs.zs_salt);
286 (void) printf("\t\tLeafs with 2^n pointers:\n");
287 dump_zap_histogram(zs.zs_leafs_with_2n_pointers);
289 (void) printf("\t\tBlocks with n*5 entries:\n");
290 dump_zap_histogram(zs.zs_blocks_with_n5_entries);
292 (void) printf("\t\tBlocks n/10 full:\n");
293 dump_zap_histogram(zs.zs_blocks_n_tenths_full);
295 (void) printf("\t\tEntries with n chunks:\n");
296 dump_zap_histogram(zs.zs_entries_using_n_chunks);
298 (void) printf("\t\tBuckets with n entries:\n");
299 dump_zap_histogram(zs.zs_buckets_with_n_entries);
304 dump_none(objset_t *os, uint64_t object, void *data, size_t size)
310 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size)
312 (void) printf("\tUNKNOWN OBJECT TYPE\n");
317 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size)
323 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size)
329 dump_zap(objset_t *os, uint64_t object, void *data, size_t size)
332 zap_attribute_t attr;
336 dump_zap_stats(os, object);
339 for (zap_cursor_init(&zc, os, object);
340 zap_cursor_retrieve(&zc, &attr) == 0;
341 zap_cursor_advance(&zc)) {
342 (void) printf("\t\t%s = ", attr.za_name);
343 if (attr.za_num_integers == 0) {
347 prop = umem_zalloc(attr.za_num_integers *
348 attr.za_integer_length, UMEM_NOFAIL);
349 (void) zap_lookup(os, object, attr.za_name,
350 attr.za_integer_length, attr.za_num_integers, prop);
351 if (attr.za_integer_length == 1) {
352 (void) printf("%s", (char *)prop);
354 for (i = 0; i < attr.za_num_integers; i++) {
355 switch (attr.za_integer_length) {
358 ((uint16_t *)prop)[i]);
362 ((uint32_t *)prop)[i]);
365 (void) printf("%lld ",
366 (u_longlong_t)((int64_t *)prop)[i]);
372 umem_free(prop, attr.za_num_integers * attr.za_integer_length);
374 zap_cursor_fini(&zc);
379 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size)
381 dump_zap_stats(os, object);
382 /* contents are printed elsewhere, properly decoded */
387 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size)
390 zap_attribute_t attr;
392 dump_zap_stats(os, object);
395 for (zap_cursor_init(&zc, os, object);
396 zap_cursor_retrieve(&zc, &attr) == 0;
397 zap_cursor_advance(&zc)) {
398 (void) printf("\t\t%s = ", attr.za_name);
399 if (attr.za_num_integers == 0) {
403 (void) printf(" %llx : [%d:%d:%d]\n",
404 (u_longlong_t)attr.za_first_integer,
405 (int)ATTR_LENGTH(attr.za_first_integer),
406 (int)ATTR_BSWAP(attr.za_first_integer),
407 (int)ATTR_NUM(attr.za_first_integer));
409 zap_cursor_fini(&zc);
414 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size)
417 zap_attribute_t attr;
418 uint16_t *layout_attrs;
421 dump_zap_stats(os, object);
424 for (zap_cursor_init(&zc, os, object);
425 zap_cursor_retrieve(&zc, &attr) == 0;
426 zap_cursor_advance(&zc)) {
427 (void) printf("\t\t%s = [", attr.za_name);
428 if (attr.za_num_integers == 0) {
433 VERIFY(attr.za_integer_length == 2);
434 layout_attrs = umem_zalloc(attr.za_num_integers *
435 attr.za_integer_length, UMEM_NOFAIL);
437 VERIFY(zap_lookup(os, object, attr.za_name,
438 attr.za_integer_length,
439 attr.za_num_integers, layout_attrs) == 0);
441 for (i = 0; i != attr.za_num_integers; i++)
442 (void) printf(" %d ", (int)layout_attrs[i]);
443 (void) printf("]\n");
444 umem_free(layout_attrs,
445 attr.za_num_integers * attr.za_integer_length);
447 zap_cursor_fini(&zc);
452 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size)
455 zap_attribute_t attr;
456 const char *typenames[] = {
457 /* 0 */ "not specified",
459 /* 2 */ "Character Device",
460 /* 3 */ "3 (invalid)",
462 /* 5 */ "5 (invalid)",
463 /* 6 */ "Block Device",
464 /* 7 */ "7 (invalid)",
465 /* 8 */ "Regular File",
466 /* 9 */ "9 (invalid)",
467 /* 10 */ "Symbolic Link",
468 /* 11 */ "11 (invalid)",
471 /* 14 */ "Event Port",
472 /* 15 */ "15 (invalid)",
475 dump_zap_stats(os, object);
478 for (zap_cursor_init(&zc, os, object);
479 zap_cursor_retrieve(&zc, &attr) == 0;
480 zap_cursor_advance(&zc)) {
481 (void) printf("\t\t%s = %lld (type: %s)\n",
482 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer),
483 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]);
485 zap_cursor_fini(&zc);
489 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm)
491 uint64_t alloc, offset, entry;
492 uint8_t mapshift = sm->sm_shift;
493 uint64_t mapstart = sm->sm_start;
494 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID",
495 "INVALID", "INVALID", "INVALID", "INVALID" };
497 if (smo->smo_object == 0)
501 * Print out the freelist entries in both encoded and decoded form.
504 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) {
505 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset,
506 sizeof (entry), &entry, DMU_READ_PREFETCH));
507 if (SM_DEBUG_DECODE(entry)) {
508 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n",
509 (u_longlong_t)(offset / sizeof (entry)),
510 ddata[SM_DEBUG_ACTION_DECODE(entry)],
511 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry),
512 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry));
514 (void) printf("\t [%6llu] %c range:"
515 " %010llx-%010llx size: %06llx\n",
516 (u_longlong_t)(offset / sizeof (entry)),
517 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F',
518 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
519 mapshift) + mapstart),
520 (u_longlong_t)((SM_OFFSET_DECODE(entry) <<
521 mapshift) + mapstart + (SM_RUN_DECODE(entry) <<
523 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift));
524 if (SM_TYPE_DECODE(entry) == SM_ALLOC)
525 alloc += SM_RUN_DECODE(entry) << mapshift;
527 alloc -= SM_RUN_DECODE(entry) << mapshift;
530 if (alloc != smo->smo_alloc) {
531 (void) printf("space_map_object alloc (%llu) INCONSISTENT "
532 "with space map summary (%llu)\n",
533 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc);
538 dump_metaslab_stats(metaslab_t *msp)
541 space_map_t *sm = &msp->ms_map;
542 avl_tree_t *t = sm->sm_pp_root;
543 int free_pct = sm->sm_space * 100 / sm->sm_size;
545 zdb_nicenum(space_map_maxsize(sm), maxbuf);
547 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n",
548 "segments", avl_numnodes(t), "maxsize", maxbuf,
549 "freepct", free_pct);
553 dump_metaslab(metaslab_t *msp)
555 vdev_t *vd = msp->ms_group->mg_vd;
556 spa_t *spa = vd->vdev_spa;
557 space_map_t *sm = &msp->ms_map;
558 space_map_obj_t *smo = &msp->ms_smo;
561 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf);
564 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n",
565 (u_longlong_t)(sm->sm_start / sm->sm_size),
566 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf);
568 if (dump_opt['m'] > 1 && !dump_opt['L']) {
569 mutex_enter(&msp->ms_lock);
570 space_map_load_wait(sm);
572 VERIFY(space_map_load(sm, zfs_metaslab_ops,
573 SM_FREE, smo, spa->spa_meta_objset) == 0);
574 dump_metaslab_stats(msp);
575 space_map_unload(sm);
576 mutex_exit(&msp->ms_lock);
579 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) {
580 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift));
582 mutex_enter(&msp->ms_lock);
583 dump_spacemap(spa->spa_meta_objset, smo, sm);
584 mutex_exit(&msp->ms_lock);
589 print_vdev_metaslab_header(vdev_t *vd)
591 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n",
592 (u_longlong_t)vd->vdev_id,
593 "metaslabs", (u_longlong_t)vd->vdev_ms_count,
594 "offset", "spacemap", "free");
595 (void) printf("\t%15s %19s %15s %10s\n",
596 "---------------", "-------------------",
597 "---------------", "-------------");
601 dump_metaslabs(spa_t *spa)
603 vdev_t *vd, *rvd = spa->spa_root_vdev;
604 uint64_t m, c = 0, children = rvd->vdev_children;
606 (void) printf("\nMetaslabs:\n");
608 if (!dump_opt['d'] && zopt_objects > 0) {
612 (void) fatal("bad vdev id: %llu", (u_longlong_t)c);
614 if (zopt_objects > 1) {
615 vd = rvd->vdev_child[c];
616 print_vdev_metaslab_header(vd);
618 for (m = 1; m < zopt_objects; m++) {
619 if (zopt_object[m] < vd->vdev_ms_count)
621 vd->vdev_ms[zopt_object[m]]);
623 (void) fprintf(stderr, "bad metaslab "
625 (u_longlong_t)zopt_object[m]);
632 for (; c < children; c++) {
633 vd = rvd->vdev_child[c];
634 print_vdev_metaslab_header(vd);
636 for (m = 0; m < vd->vdev_ms_count; m++)
637 dump_metaslab(vd->vdev_ms[m]);
643 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
645 const ddt_phys_t *ddp = dde->dde_phys;
646 const ddt_key_t *ddk = &dde->dde_key;
647 char *types[4] = { "ditto", "single", "double", "triple" };
648 char blkbuf[BP_SPRINTF_LEN];
652 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
653 if (ddp->ddp_phys_birth == 0)
655 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
656 sprintf_blkptr(blkbuf, &blk);
657 (void) printf("index %llx refcnt %llu %s %s\n",
658 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt,
664 dump_dedup_ratio(const ddt_stat_t *dds)
666 double rL, rP, rD, D, dedup, compress, copies;
668 if (dds->dds_blocks == 0)
671 rL = (double)dds->dds_ref_lsize;
672 rP = (double)dds->dds_ref_psize;
673 rD = (double)dds->dds_ref_dsize;
674 D = (double)dds->dds_dsize;
680 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, "
681 "dedup * compress / copies = %.2f\n\n",
682 dedup, compress, copies, dedup * compress / copies);
686 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
688 char name[DDT_NAMELEN];
691 dmu_object_info_t doi;
692 uint64_t count, dspace, mspace;
695 error = ddt_object_info(ddt, type, class, &doi);
701 error = ddt_object_count(ddt, type, class, &count);
706 dspace = doi.doi_physical_blocks_512 << 9;
707 mspace = doi.doi_fill_count * doi.doi_data_block_size;
709 ddt_object_name(ddt, type, class, name);
711 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
714 (u_longlong_t)(dspace / count),
715 (u_longlong_t)(mspace / count));
717 if (dump_opt['D'] < 3)
720 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
722 if (dump_opt['D'] < 4)
725 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
728 (void) printf("%s contents:\n\n", name);
730 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
731 dump_dde(ddt, &dde, walk);
733 ASSERT(error == ENOENT);
739 dump_all_ddts(spa_t *spa)
741 ddt_histogram_t ddh_total;
742 ddt_stat_t dds_total;
745 enum ddt_class class;
747 bzero(&ddh_total, sizeof (ddt_histogram_t));
748 bzero(&dds_total, sizeof (ddt_stat_t));
750 for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
751 ddt_t *ddt = spa->spa_ddt[c];
752 for (type = 0; type < DDT_TYPES; type++) {
753 for (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" };
799 spa_vdev_state_enter(spa, SCL_NONE);
800 required = vdev_dtl_required(vd);
801 (void) spa_vdev_state_exit(spa, NULL, 0);
804 (void) printf("\nDirty time logs:\n\n");
806 (void) printf("\t%*s%s [%s]\n", indent, "",
807 vd->vdev_path ? vd->vdev_path :
808 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
809 required ? "DTL-required" : "DTL-expendable");
811 for (t = 0; t < DTL_TYPES; t++) {
812 space_map_t *sm = &vd->vdev_dtl[t];
813 if (sm->sm_space == 0)
815 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
816 indent + 2, "", name[t]);
817 mutex_enter(sm->sm_lock);
818 space_map_walk(sm, dump_dtl_seg, (void *)prefix);
819 mutex_exit(sm->sm_lock);
820 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
821 dump_spacemap(spa->spa_meta_objset,
822 &vd->vdev_dtl_smo, sm);
825 for (c = 0; c < vd->vdev_children; c++)
826 dump_dtl(vd->vdev_child[c], indent + 4);
830 dump_history(spa_t *spa)
832 nvlist_t **events = NULL;
833 char buf[SPA_MAXBLOCKSIZE];
834 uint64_t resid, len, off = 0;
840 char internalstr[MAXPATHLEN];
846 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) {
847 (void) fprintf(stderr, "Unable to read history: "
848 "error %d\n", error);
852 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0)
858 (void) printf("\nHistory:\n");
859 for (i = 0; i < num; i++) {
860 uint64_t time, txg, ievent;
863 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME,
866 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD,
868 if (nvlist_lookup_uint64(events[i],
869 ZPOOL_HIST_INT_EVENT, &ievent) != 0)
871 verify(nvlist_lookup_uint64(events[i],
872 ZPOOL_HIST_TXG, &txg) == 0);
873 verify(nvlist_lookup_string(events[i],
874 ZPOOL_HIST_INT_STR, &intstr) == 0);
875 if (ievent >= LOG_END)
878 (void) snprintf(internalstr,
879 sizeof (internalstr),
880 "[internal %s txg:%lld] %s",
881 zfs_history_event_names[ievent],
882 (longlong_t)txg, intstr);
886 (void) localtime_r(&tsec, &t);
887 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
888 (void) printf("%s %s\n", tbuf, cmd);
894 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size)
899 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb)
902 ASSERT(zb->zb_level < 0);
903 if (zb->zb_object == 0)
904 return (zb->zb_blkid);
905 return (zb->zb_blkid * BP_GET_LSIZE(bp));
908 ASSERT(zb->zb_level >= 0);
910 return ((zb->zb_blkid <<
911 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) *
912 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT);
916 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp)
918 const dva_t *dva = bp->blk_dva;
919 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
922 if (dump_opt['b'] >= 5) {
923 sprintf_blkptr(blkbuf, bp);
929 for (i = 0; i < ndvas; i++)
930 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
931 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
932 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
933 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
935 (void) sprintf(blkbuf + strlen(blkbuf),
936 "%llxL/%llxP F=%llu B=%llu/%llu",
937 (u_longlong_t)BP_GET_LSIZE(bp),
938 (u_longlong_t)BP_GET_PSIZE(bp),
939 (u_longlong_t)bp->blk_fill,
940 (u_longlong_t)bp->blk_birth,
941 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
945 print_indirect(blkptr_t *bp, const zbookmark_t *zb,
946 const dnode_phys_t *dnp)
948 char blkbuf[BP_SPRINTF_LEN];
951 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
952 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
954 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
956 ASSERT(zb->zb_level >= 0);
958 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
959 if (l == zb->zb_level) {
960 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
966 sprintf_blkptr_compact(blkbuf, bp);
967 (void) printf("%s\n", blkbuf);
971 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
972 blkptr_t *bp, const zbookmark_t *zb)
976 if (bp->blk_birth == 0)
979 print_indirect(bp, zb, dnp);
981 if (BP_GET_LEVEL(bp) > 0) {
982 uint32_t flags = ARC_WAIT;
985 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
989 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf,
990 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
995 /* recursively visit blocks below this */
997 for (i = 0; i < epb; i++, cbp++) {
1000 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
1002 zb->zb_blkid * epb + i);
1003 err = visit_indirect(spa, dnp, cbp, &czb);
1006 fill += cbp->blk_fill;
1009 ASSERT3U(fill, ==, bp->blk_fill);
1010 (void) arc_buf_remove_ref(buf, &buf);
1018 dump_indirect(dnode_t *dn)
1020 dnode_phys_t *dnp = dn->dn_phys;
1024 (void) printf("Indirect blocks:\n");
1026 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
1027 dn->dn_object, dnp->dn_nlevels - 1, 0);
1028 for (j = 0; j < dnp->dn_nblkptr; j++) {
1030 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
1031 &dnp->dn_blkptr[j], &czb);
1034 (void) printf("\n");
1039 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1041 dsl_dir_phys_t *dd = data;
1048 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1050 crtime = dd->dd_creation_time;
1051 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1052 (void) printf("\t\thead_dataset_obj = %llu\n",
1053 (u_longlong_t)dd->dd_head_dataset_obj);
1054 (void) printf("\t\tparent_dir_obj = %llu\n",
1055 (u_longlong_t)dd->dd_parent_obj);
1056 (void) printf("\t\torigin_obj = %llu\n",
1057 (u_longlong_t)dd->dd_origin_obj);
1058 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1059 (u_longlong_t)dd->dd_child_dir_zapobj);
1060 zdb_nicenum(dd->dd_used_bytes, nice);
1061 (void) printf("\t\tused_bytes = %s\n", nice);
1062 zdb_nicenum(dd->dd_compressed_bytes, nice);
1063 (void) printf("\t\tcompressed_bytes = %s\n", nice);
1064 zdb_nicenum(dd->dd_uncompressed_bytes, nice);
1065 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
1066 zdb_nicenum(dd->dd_quota, nice);
1067 (void) printf("\t\tquota = %s\n", nice);
1068 zdb_nicenum(dd->dd_reserved, nice);
1069 (void) printf("\t\treserved = %s\n", nice);
1070 (void) printf("\t\tprops_zapobj = %llu\n",
1071 (u_longlong_t)dd->dd_props_zapobj);
1072 (void) printf("\t\tdeleg_zapobj = %llu\n",
1073 (u_longlong_t)dd->dd_deleg_zapobj);
1074 (void) printf("\t\tflags = %llx\n",
1075 (u_longlong_t)dd->dd_flags);
1078 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
1079 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1090 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1092 dsl_dataset_phys_t *ds = data;
1094 char used[32], compressed[32], uncompressed[32], unique[32];
1095 char blkbuf[BP_SPRINTF_LEN];
1100 ASSERT(size == sizeof (*ds));
1101 crtime = ds->ds_creation_time;
1102 zdb_nicenum(ds->ds_used_bytes, used);
1103 zdb_nicenum(ds->ds_compressed_bytes, compressed);
1104 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
1105 zdb_nicenum(ds->ds_unique_bytes, unique);
1106 sprintf_blkptr(blkbuf, &ds->ds_bp);
1108 (void) printf("\t\tdir_obj = %llu\n",
1109 (u_longlong_t)ds->ds_dir_obj);
1110 (void) printf("\t\tprev_snap_obj = %llu\n",
1111 (u_longlong_t)ds->ds_prev_snap_obj);
1112 (void) printf("\t\tprev_snap_txg = %llu\n",
1113 (u_longlong_t)ds->ds_prev_snap_txg);
1114 (void) printf("\t\tnext_snap_obj = %llu\n",
1115 (u_longlong_t)ds->ds_next_snap_obj);
1116 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1117 (u_longlong_t)ds->ds_snapnames_zapobj);
1118 (void) printf("\t\tnum_children = %llu\n",
1119 (u_longlong_t)ds->ds_num_children);
1120 (void) printf("\t\tuserrefs_obj = %llu\n",
1121 (u_longlong_t)ds->ds_userrefs_obj);
1122 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1123 (void) printf("\t\tcreation_txg = %llu\n",
1124 (u_longlong_t)ds->ds_creation_txg);
1125 (void) printf("\t\tdeadlist_obj = %llu\n",
1126 (u_longlong_t)ds->ds_deadlist_obj);
1127 (void) printf("\t\tused_bytes = %s\n", used);
1128 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1129 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1130 (void) printf("\t\tunique = %s\n", unique);
1131 (void) printf("\t\tfsid_guid = %llu\n",
1132 (u_longlong_t)ds->ds_fsid_guid);
1133 (void) printf("\t\tguid = %llu\n",
1134 (u_longlong_t)ds->ds_guid);
1135 (void) printf("\t\tflags = %llx\n",
1136 (u_longlong_t)ds->ds_flags);
1137 (void) printf("\t\tnext_clones_obj = %llu\n",
1138 (u_longlong_t)ds->ds_next_clones_obj);
1139 (void) printf("\t\tprops_obj = %llu\n",
1140 (u_longlong_t)ds->ds_props_obj);
1141 (void) printf("\t\tbp = %s\n", blkbuf);
1146 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1148 char blkbuf[BP_SPRINTF_LEN];
1150 ASSERT(bp->blk_birth != 0);
1151 sprintf_blkptr_compact(blkbuf, bp);
1152 (void) printf("\t%s\n", blkbuf);
1157 dump_bpobj(bpobj_t *bpo, char *name)
1163 if (dump_opt['d'] < 3)
1166 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes);
1167 if (bpo->bpo_havesubobj) {
1168 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
1169 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
1170 (void) printf("\n %s: %llu local blkptrs, %llu subobjs, "
1171 "%s (%s/%s comp)\n",
1172 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1173 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1174 bytes, comp, uncomp);
1176 (void) printf("\n %s: %llu blkptrs, %s\n",
1177 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, bytes);
1180 if (dump_opt['d'] < 5)
1183 (void) printf("\n");
1185 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1189 dump_deadlist(dsl_deadlist_t *dl)
1191 dsl_deadlist_entry_t *dle;
1196 if (dump_opt['d'] < 3)
1199 zdb_nicenum(dl->dl_phys->dl_used, bytes);
1200 zdb_nicenum(dl->dl_phys->dl_comp, comp);
1201 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);
1202 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1203 bytes, comp, uncomp);
1205 if (dump_opt['d'] < 4)
1208 (void) printf("\n");
1210 for (dle = avl_first(&dl->dl_tree); dle;
1211 dle = AVL_NEXT(&dl->dl_tree, dle)) {
1212 (void) printf(" mintxg %llu -> obj %llu\n",
1213 (longlong_t)dle->dle_mintxg,
1214 (longlong_t)dle->dle_bpobj.bpo_object);
1216 if (dump_opt['d'] >= 5)
1217 dump_bpobj(&dle->dle_bpobj, "");
1221 static avl_tree_t idx_tree;
1222 static avl_tree_t domain_tree;
1223 static boolean_t fuid_table_loaded;
1224 static boolean_t sa_loaded;
1225 sa_attr_type_t *sa_attr_table;
1228 fuid_table_destroy(void)
1230 if (fuid_table_loaded) {
1231 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1232 fuid_table_loaded = B_FALSE;
1237 * print uid or gid information.
1238 * For normal POSIX id just the id is printed in decimal format.
1239 * For CIFS files with FUID the fuid is printed in hex followed by
1240 * the doman-rid string.
1243 print_idstr(uint64_t id, const char *id_type)
1245 if (FUID_INDEX(id)) {
1248 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1249 (void) printf("\t%s %llx [%s-%d]\n", id_type,
1250 (u_longlong_t)id, domain, (int)FUID_RID(id));
1252 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
1258 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
1260 uint32_t uid_idx, gid_idx;
1262 uid_idx = FUID_INDEX(uid);
1263 gid_idx = FUID_INDEX(gid);
1265 /* Load domain table, if not already loaded */
1266 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1269 /* first find the fuid object. It lives in the master node */
1270 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1271 8, 1, &fuid_obj) == 0);
1272 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
1273 (void) zfs_fuid_table_load(os, fuid_obj,
1274 &idx_tree, &domain_tree);
1275 fuid_table_loaded = B_TRUE;
1278 print_idstr(uid, "uid");
1279 print_idstr(gid, "gid");
1284 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1286 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
1288 uint64_t xattr, rdev, gen;
1289 uint64_t uid, gid, mode, fsize, parent, links;
1291 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
1292 time_t z_crtime, z_atime, z_mtime, z_ctime;
1293 sa_bulk_attr_t bulk[12];
1298 uint64_t sa_attrs = 0;
1301 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR,
1302 8, 1, &version) == 0);
1303 if (version >= ZPL_VERSION_SA) {
1304 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
1305 8, 1, &sa_attrs) == 0);
1307 if ((error = sa_setup(os, sa_attrs, zfs_attr_table,
1308 ZPL_END, &sa_attr_table)) != 0) {
1309 (void) printf("sa_setup failed errno %d, can't "
1310 "display znode contents\n", error);
1316 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
1317 (void) printf("Failed to get handle for SA znode\n");
1321 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
1322 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
1323 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
1325 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
1326 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
1328 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
1330 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
1332 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
1334 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
1336 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
1338 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
1340 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
1343 if (sa_bulk_lookup(hdl, bulk, idx)) {
1344 (void) sa_handle_destroy(hdl);
1348 error = zfs_obj_to_path(os, object, path, sizeof (path));
1350 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
1351 (u_longlong_t)object);
1353 if (dump_opt['d'] < 3) {
1354 (void) printf("\t%s\n", path);
1355 (void) sa_handle_destroy(hdl);
1359 z_crtime = (time_t)crtm[0];
1360 z_atime = (time_t)acctm[0];
1361 z_mtime = (time_t)modtm[0];
1362 z_ctime = (time_t)chgtm[0];
1364 (void) printf("\tpath %s\n", path);
1365 dump_uidgid(os, uid, gid);
1366 (void) printf("\tatime %s", ctime(&z_atime));
1367 (void) printf("\tmtime %s", ctime(&z_mtime));
1368 (void) printf("\tctime %s", ctime(&z_ctime));
1369 (void) printf("\tcrtime %s", ctime(&z_crtime));
1370 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
1371 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
1372 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
1373 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
1374 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
1375 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
1376 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
1377 sizeof (uint64_t)) == 0)
1378 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
1379 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
1380 sizeof (uint64_t)) == 0)
1381 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
1382 sa_handle_destroy(hdl);
1387 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1393 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1397 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
1398 dump_none, /* unallocated */
1399 dump_zap, /* object directory */
1400 dump_uint64, /* object array */
1401 dump_none, /* packed nvlist */
1402 dump_packed_nvlist, /* packed nvlist size */
1403 dump_none, /* bplist */
1404 dump_none, /* bplist header */
1405 dump_none, /* SPA space map header */
1406 dump_none, /* SPA space map */
1407 dump_none, /* ZIL intent log */
1408 dump_dnode, /* DMU dnode */
1409 dump_dmu_objset, /* DMU objset */
1410 dump_dsl_dir, /* DSL directory */
1411 dump_zap, /* DSL directory child map */
1412 dump_zap, /* DSL dataset snap map */
1413 dump_zap, /* DSL props */
1414 dump_dsl_dataset, /* DSL dataset */
1415 dump_znode, /* ZFS znode */
1416 dump_acl, /* ZFS V0 ACL */
1417 dump_uint8, /* ZFS plain file */
1418 dump_zpldir, /* ZFS directory */
1419 dump_zap, /* ZFS master node */
1420 dump_zap, /* ZFS delete queue */
1421 dump_uint8, /* zvol object */
1422 dump_zap, /* zvol prop */
1423 dump_uint8, /* other uint8[] */
1424 dump_uint64, /* other uint64[] */
1425 dump_zap, /* other ZAP */
1426 dump_zap, /* persistent error log */
1427 dump_uint8, /* SPA history */
1428 dump_uint64, /* SPA history offsets */
1429 dump_zap, /* Pool properties */
1430 dump_zap, /* DSL permissions */
1431 dump_acl, /* ZFS ACL */
1432 dump_uint8, /* ZFS SYSACL */
1433 dump_none, /* FUID nvlist */
1434 dump_packed_nvlist, /* FUID nvlist size */
1435 dump_zap, /* DSL dataset next clones */
1436 dump_zap, /* DSL scrub queue */
1437 dump_zap, /* ZFS user/group used */
1438 dump_zap, /* ZFS user/group quota */
1439 dump_zap, /* snapshot refcount tags */
1440 dump_ddt_zap, /* DDT ZAP object */
1441 dump_zap, /* DDT statistics */
1442 dump_znode, /* SA object */
1443 dump_zap, /* SA Master Node */
1444 dump_sa_attrs, /* SA attribute registration */
1445 dump_sa_layouts, /* SA attribute layouts */
1446 dump_zap, /* DSL scrub translations */
1447 dump_none, /* fake dedup BP */
1448 dump_zap, /* deadlist */
1449 dump_none, /* deadlist hdr */
1450 dump_zap, /* dsl clones */
1451 dump_none, /* bpobj subobjs */
1452 dump_unknown, /* Unknown type, must be last */
1456 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1458 dmu_buf_t *db = NULL;
1459 dmu_object_info_t doi;
1463 char iblk[32], dblk[32], lsize[32], asize[32], fill[32];
1464 char bonus_size[32];
1468 if (*print_header) {
1469 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1470 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1476 dn = DMU_META_DNODE(os);
1478 error = dmu_bonus_hold(os, object, FTAG, &db);
1480 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1482 bonus = db->db_data;
1483 bsize = db->db_size;
1484 dn = DB_DNODE((dmu_buf_impl_t *)db);
1486 dmu_object_info_from_dnode(dn, &doi);
1488 zdb_nicenum(doi.doi_metadata_block_size, iblk);
1489 zdb_nicenum(doi.doi_data_block_size, dblk);
1490 zdb_nicenum(doi.doi_max_offset, lsize);
1491 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize);
1492 zdb_nicenum(doi.doi_bonus_size, bonus_size);
1493 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
1494 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
1495 doi.doi_max_offset);
1499 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1500 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1501 ZDB_CHECKSUM_NAME(doi.doi_checksum));
1504 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1505 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1506 ZDB_COMPRESS_NAME(doi.doi_compress));
1509 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1510 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
1511 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
1513 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1514 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1515 "", "", "", "", "", bonus_size, "bonus",
1516 ZDB_OT_NAME(doi.doi_bonus_type));
1519 if (verbosity >= 4) {
1520 (void) printf("\tdnode flags: %s%s%s\n",
1521 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
1523 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
1524 "USERUSED_ACCOUNTED " : "",
1525 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
1526 "SPILL_BLKPTR" : "");
1527 (void) printf("\tdnode maxblkid: %llu\n",
1528 (longlong_t)dn->dn_phys->dn_maxblkid);
1530 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
1532 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
1539 if (verbosity >= 5) {
1541 * Report the list of segments that comprise the object.
1545 uint64_t blkfill = 1;
1548 if (dn->dn_type == DMU_OT_DNODE) {
1550 blkfill = DNODES_PER_BLOCK;
1555 error = dnode_next_offset(dn,
1556 0, &start, minlvl, blkfill, 0);
1560 error = dnode_next_offset(dn,
1561 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1562 zdb_nicenum(end - start, segsize);
1563 (void) printf("\t\tsegment [%016llx, %016llx)"
1564 " size %5s\n", (u_longlong_t)start,
1565 (u_longlong_t)end, segsize);
1573 dmu_buf_rele(db, FTAG);
1576 static char *objset_types[DMU_OST_NUMTYPES] = {
1577 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1580 dump_dir(objset_t *os)
1582 dmu_objset_stats_t dds;
1583 uint64_t object, object_count;
1584 uint64_t refdbytes, usedobjs, scratch;
1586 char blkbuf[BP_SPRINTF_LEN + 20];
1587 char osname[MAXNAMELEN];
1588 char *type = "UNKNOWN";
1589 int verbosity = dump_opt['d'];
1590 int print_header = 1;
1593 dmu_objset_fast_stat(os, &dds);
1595 if (dds.dds_type < DMU_OST_NUMTYPES)
1596 type = objset_types[dds.dds_type];
1598 if (dds.dds_type == DMU_OST_META) {
1599 dds.dds_creation_txg = TXG_INITIAL;
1600 usedobjs = os->os_rootbp->blk_fill;
1601 refdbytes = os->os_spa->spa_dsl_pool->
1602 dp_mos_dir->dd_phys->dd_used_bytes;
1604 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1607 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill);
1609 zdb_nicenum(refdbytes, numbuf);
1611 if (verbosity >= 4) {
1612 (void) sprintf(blkbuf, ", rootbp ");
1613 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp);
1618 dmu_objset_name(os, osname);
1620 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1621 "%s, %llu objects%s\n",
1622 osname, type, (u_longlong_t)dmu_objset_id(os),
1623 (u_longlong_t)dds.dds_creation_txg,
1624 numbuf, (u_longlong_t)usedobjs, blkbuf);
1626 if (zopt_objects != 0) {
1627 for (i = 0; i < zopt_objects; i++)
1628 dump_object(os, zopt_object[i], verbosity,
1630 (void) printf("\n");
1634 if (dump_opt['i'] != 0 || verbosity >= 2)
1635 dump_intent_log(dmu_objset_zil(os));
1637 if (dmu_objset_ds(os) != NULL)
1638 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
1643 if (os->os_rootbp->blk_birth == 0)
1646 dump_object(os, 0, verbosity, &print_header);
1648 if (DMU_USERUSED_DNODE(os) != NULL &&
1649 DMU_USERUSED_DNODE(os)->dn_type != 0) {
1650 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
1651 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
1655 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1656 dump_object(os, object, verbosity, &print_header);
1660 ASSERT3U(object_count, ==, usedobjs);
1662 (void) printf("\n");
1664 if (error != ESRCH) {
1665 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1671 dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
1673 time_t timestamp = ub->ub_timestamp;
1675 (void) printf("%s", header ? header : "");
1676 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1677 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1678 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1679 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1680 (void) printf("\ttimestamp = %llu UTC = %s",
1681 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp)));
1682 if (dump_opt['u'] >= 3) {
1683 char blkbuf[BP_SPRINTF_LEN];
1684 sprintf_blkptr(blkbuf, &ub->ub_rootbp);
1685 (void) printf("\trootbp = %s\n", blkbuf);
1687 (void) printf("%s", footer ? footer : "");
1691 dump_config(spa_t *spa)
1698 error = dmu_bonus_hold(spa->spa_meta_objset,
1699 spa->spa_config_object, FTAG, &db);
1702 nvsize = *(uint64_t *)db->db_data;
1703 dmu_buf_rele(db, FTAG);
1705 (void) printf("\nMOS Configuration:\n");
1706 dump_packed_nvlist(spa->spa_meta_objset,
1707 spa->spa_config_object, (void *)&nvsize, 1);
1709 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
1710 (u_longlong_t)spa->spa_config_object, error);
1715 dump_cachefile(const char *cachefile)
1718 struct stat64 statbuf;
1722 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1723 (void) printf("cannot open '%s': %s\n", cachefile,
1728 if (fstat64(fd, &statbuf) != 0) {
1729 (void) printf("failed to stat '%s': %s\n", cachefile,
1734 if ((buf = malloc(statbuf.st_size)) == NULL) {
1735 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1736 (u_longlong_t)statbuf.st_size);
1740 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1741 (void) fprintf(stderr, "failed to read %llu bytes\n",
1742 (u_longlong_t)statbuf.st_size);
1748 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1749 (void) fprintf(stderr, "failed to unpack nvlist\n");
1755 dump_nvlist(config, 0);
1757 nvlist_free(config);
1760 #define ZDB_MAX_UB_HEADER_SIZE 32
1763 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
1767 char header[ZDB_MAX_UB_HEADER_SIZE];
1770 vd.vdev_ashift = ashift;
1771 vdp->vdev_top = vdp;
1773 for (i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
1774 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
1775 uberblock_t *ub = (void *)((char *)lbl + uoff);
1777 if (uberblock_verify(ub))
1779 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
1780 "Uberblock[%d]\n", i);
1781 dump_uberblock(ub, header, "");
1786 dump_label(const char *dev)
1790 char *path, *buf = label.vl_vdev_phys.vp_nvlist;
1791 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1792 struct stat64 statbuf;
1793 uint64_t psize, ashift;
1794 int len = strlen(dev) + 1;
1797 if (strncmp(dev, "/dev/dsk/", 9) == 0) {
1800 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9);
1805 if ((fd = open64(path, O_RDONLY)) < 0) {
1806 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
1811 if (fstat64_blk(fd, &statbuf) != 0) {
1812 (void) printf("failed to stat '%s': %s\n", path,
1819 psize = statbuf.st_size;
1820 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1822 for (l = 0; l < VDEV_LABELS; l++) {
1823 nvlist_t *config = NULL;
1825 (void) printf("--------------------------------------------\n");
1826 (void) printf("LABEL %d\n", l);
1827 (void) printf("--------------------------------------------\n");
1829 if (pread64(fd, &label, sizeof (label),
1830 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1831 (void) printf("failed to read label %d\n", l);
1835 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1836 (void) printf("failed to unpack label %d\n", l);
1837 ashift = SPA_MINBLOCKSHIFT;
1839 nvlist_t *vdev_tree = NULL;
1841 dump_nvlist(config, 4);
1842 if ((nvlist_lookup_nvlist(config,
1843 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
1844 (nvlist_lookup_uint64(vdev_tree,
1845 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
1846 ashift = SPA_MINBLOCKSHIFT;
1847 nvlist_free(config);
1850 dump_label_uberblocks(&label, ashift);
1859 dump_one_dir(const char *dsname, void *arg)
1864 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os);
1866 (void) printf("Could not open %s, error %d\n", dsname, error);
1870 dmu_objset_disown(os, FTAG);
1871 fuid_table_destroy();
1872 sa_loaded = B_FALSE;
1879 typedef struct zdb_blkstats {
1887 * Extended object types to report deferred frees and dedup auto-ditto blocks.
1889 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
1890 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
1891 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 2)
1893 static char *zdb_ot_extname[] = {
1899 #define ZB_TOTAL DN_MAX_LEVELS
1901 typedef struct zdb_cb {
1902 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
1903 uint64_t zcb_dedup_asize;
1904 uint64_t zcb_dedup_blocks;
1905 uint64_t zcb_errors[256];
1912 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
1913 dmu_object_type_t type)
1915 uint64_t refcnt = 0;
1918 ASSERT(type < ZDB_OT_TOTAL);
1920 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
1923 for (i = 0; i < 4; i++) {
1924 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
1925 int t = (i & 1) ? type : ZDB_OT_TOTAL;
1926 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
1928 zb->zb_asize += BP_GET_ASIZE(bp);
1929 zb->zb_lsize += BP_GET_LSIZE(bp);
1930 zb->zb_psize += BP_GET_PSIZE(bp);
1937 if (BP_GET_DEDUP(bp)) {
1941 ddt = ddt_select(zcb->zcb_spa, bp);
1943 dde = ddt_lookup(ddt, bp, B_FALSE);
1948 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
1949 ddt_phys_decref(ddp);
1950 refcnt = ddp->ddp_refcnt;
1951 if (ddt_phys_total_refcnt(dde) == 0)
1952 ddt_remove(ddt, dde);
1957 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
1958 refcnt ? 0 : spa_first_txg(zcb->zcb_spa),
1959 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
1964 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf,
1965 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
1967 zdb_cb_t *zcb = arg;
1968 char blkbuf[BP_SPRINTF_LEN];
1969 dmu_object_type_t type;
1970 boolean_t is_metadata;
1975 type = BP_GET_TYPE(bp);
1977 zdb_count_block(zcb, zilog, bp, type);
1979 is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata);
1981 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
1983 size_t size = BP_GET_PSIZE(bp);
1984 void *data = malloc(size);
1985 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
1987 /* If it's an intent log block, failure is expected. */
1988 if (zb->zb_level == ZB_ZIL_LEVEL)
1989 flags |= ZIO_FLAG_SPECULATIVE;
1991 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
1992 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb));
1996 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) {
1997 zcb->zcb_haderrors = 1;
1998 zcb->zcb_errors[ioerr]++;
2000 if (dump_opt['b'] >= 2)
2001 sprintf_blkptr(blkbuf, bp);
2005 (void) printf("zdb_blkptr_cb: "
2006 "Got error %d reading "
2007 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2009 (u_longlong_t)zb->zb_objset,
2010 (u_longlong_t)zb->zb_object,
2011 (u_longlong_t)zb->zb_level,
2012 (u_longlong_t)zb->zb_blkid,
2017 zcb->zcb_readfails = 0;
2019 if (dump_opt['b'] >= 4) {
2020 sprintf_blkptr(blkbuf, bp);
2021 (void) printf("objset %llu object %llu "
2022 "level %lld offset 0x%llx %s\n",
2023 (u_longlong_t)zb->zb_objset,
2024 (u_longlong_t)zb->zb_object,
2025 (longlong_t)zb->zb_level,
2026 (u_longlong_t)blkid2offset(dnp, bp, zb),
2034 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
2036 vdev_t *vd = sm->sm_ppd;
2038 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2039 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
2044 zdb_space_map_load(space_map_t *sm)
2049 zdb_space_map_unload(space_map_t *sm)
2051 space_map_vacate(sm, zdb_leak, sm);
2056 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
2060 static space_map_ops_t zdb_space_map_ops = {
2062 zdb_space_map_unload,
2064 zdb_space_map_claim,
2070 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
2072 ddt_bookmark_t ddb = { 0 };
2077 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
2079 ddt_phys_t *ddp = dde.dde_phys;
2081 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
2084 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
2086 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
2087 if (ddp->ddp_phys_birth == 0)
2089 ddt_bp_create(ddb.ddb_checksum,
2090 &dde.dde_key, ddp, &blk);
2091 if (p == DDT_PHYS_DITTO) {
2092 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
2094 zcb->zcb_dedup_asize +=
2095 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
2096 zcb->zcb_dedup_blocks++;
2099 if (!dump_opt['L']) {
2100 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
2102 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
2107 ASSERT(error == ENOENT);
2111 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
2116 if (!dump_opt['L']) {
2117 vdev_t *rvd = spa->spa_root_vdev;
2118 for (c = 0; c < rvd->vdev_children; c++) {
2119 vdev_t *vd = rvd->vdev_child[c];
2120 for (m = 0; m < vd->vdev_ms_count; m++) {
2121 metaslab_t *msp = vd->vdev_ms[m];
2122 mutex_enter(&msp->ms_lock);
2123 space_map_unload(&msp->ms_map);
2124 VERIFY(space_map_load(&msp->ms_map,
2125 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo,
2126 spa->spa_meta_objset) == 0);
2127 msp->ms_map.sm_ppd = vd;
2128 mutex_exit(&msp->ms_lock);
2133 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2135 zdb_ddt_leak_init(spa, zcb);
2137 spa_config_exit(spa, SCL_CONFIG, FTAG);
2141 zdb_leak_fini(spa_t *spa)
2145 if (!dump_opt['L']) {
2146 vdev_t *rvd = spa->spa_root_vdev;
2147 for (c = 0; c < rvd->vdev_children; c++) {
2148 vdev_t *vd = rvd->vdev_child[c];
2149 for (m = 0; m < vd->vdev_ms_count; m++) {
2150 metaslab_t *msp = vd->vdev_ms[m];
2151 mutex_enter(&msp->ms_lock);
2152 space_map_unload(&msp->ms_map);
2153 mutex_exit(&msp->ms_lock);
2161 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
2163 zdb_cb_t *zcb = arg;
2165 if (dump_opt['b'] >= 4) {
2166 char blkbuf[BP_SPRINTF_LEN];
2167 sprintf_blkptr(blkbuf, bp);
2168 (void) printf("[%s] %s\n",
2169 "deferred free", blkbuf);
2171 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
2176 dump_block_stats(spa_t *spa)
2179 zdb_blkstats_t *zb, *tzb;
2180 uint64_t norm_alloc, norm_space, total_alloc, total_found;
2181 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
2185 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
2186 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
2187 (dump_opt['c'] == 1) ? "metadata " : "",
2188 dump_opt['c'] ? "checksums " : "",
2189 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
2190 !dump_opt['L'] ? "nothing leaked " : "");
2193 * Load all space maps as SM_ALLOC maps, then traverse the pool
2194 * claiming each block we discover. If the pool is perfectly
2195 * consistent, the space maps will be empty when we're done.
2196 * Anything left over is a leak; any block we can't claim (because
2197 * it's not part of any space map) is a double allocation,
2198 * reference to a freed block, or an unclaimed log block.
2200 bzero(&zcb, sizeof(zdb_cb_t));
2201 zdb_leak_init(spa, &zcb);
2204 * If there's a deferred-free bplist, process that first.
2206 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
2207 count_block_cb, &zcb, NULL);
2208 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
2209 count_block_cb, &zcb, NULL);
2211 if (dump_opt['c'] > 1)
2212 flags |= TRAVERSE_PREFETCH_DATA;
2214 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
2216 if (zcb.zcb_haderrors) {
2217 (void) printf("\nError counts:\n\n");
2218 (void) printf("\t%5s %s\n", "errno", "count");
2219 for (e = 0; e < 256; e++) {
2220 if (zcb.zcb_errors[e] != 0) {
2221 (void) printf("\t%5d %llu\n",
2222 e, (u_longlong_t)zcb.zcb_errors[e]);
2228 * Report any leaked segments.
2232 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
2234 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
2235 norm_space = metaslab_class_get_space(spa_normal_class(spa));
2237 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
2238 total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
2240 if (total_found == total_alloc) {
2242 (void) printf("\n\tNo leaks (block sum matches space"
2243 " maps exactly)\n");
2245 (void) printf("block traversal size %llu != alloc %llu "
2247 (u_longlong_t)total_found,
2248 (u_longlong_t)total_alloc,
2249 (dump_opt['L']) ? "unreachable" : "leaked",
2250 (longlong_t)(total_alloc - total_found));
2254 if (tzb->zb_count == 0)
2257 (void) printf("\n");
2258 (void) printf("\tbp count: %10llu\n",
2259 (u_longlong_t)tzb->zb_count);
2260 (void) printf("\tbp logical: %10llu avg: %6llu\n",
2261 (u_longlong_t)tzb->zb_lsize,
2262 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
2263 (void) printf("\tbp physical: %10llu avg:"
2264 " %6llu compression: %6.2f\n",
2265 (u_longlong_t)tzb->zb_psize,
2266 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
2267 (double)tzb->zb_lsize / tzb->zb_psize);
2268 (void) printf("\tbp allocated: %10llu avg:"
2269 " %6llu compression: %6.2f\n",
2270 (u_longlong_t)tzb->zb_asize,
2271 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
2272 (double)tzb->zb_lsize / tzb->zb_asize);
2273 (void) printf("\tbp deduped: %10llu ref>1:"
2274 " %6llu deduplication: %6.2f\n",
2275 (u_longlong_t)zcb.zcb_dedup_asize,
2276 (u_longlong_t)zcb.zcb_dedup_blocks,
2277 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
2278 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2279 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
2281 if (dump_opt['b'] >= 2) {
2283 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2284 "\t avg\t comp\t%%Total\tType\n");
2286 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
2287 char csize[32], lsize[32], psize[32], asize[32];
2291 if (t < DMU_OT_NUMTYPES)
2292 typename = dmu_ot[t].ot_name;
2294 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
2296 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
2297 (void) printf("%6s\t%5s\t%5s\t%5s"
2298 "\t%5s\t%5s\t%6s\t%s\n",
2310 for (l = ZB_TOTAL - 1; l >= -1; l--) {
2311 level = (l == -1 ? ZB_TOTAL : l);
2312 zb = &zcb.zcb_type[level][t];
2314 if (zb->zb_asize == 0)
2317 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
2320 if (level == 0 && zb->zb_asize ==
2321 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
2324 zdb_nicenum(zb->zb_count, csize);
2325 zdb_nicenum(zb->zb_lsize, lsize);
2326 zdb_nicenum(zb->zb_psize, psize);
2327 zdb_nicenum(zb->zb_asize, asize);
2328 zdb_nicenum(zb->zb_asize / zb->zb_count, avg);
2330 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2332 csize, lsize, psize, asize, avg,
2333 (double)zb->zb_lsize / zb->zb_psize,
2334 100.0 * zb->zb_asize / tzb->zb_asize);
2336 if (level == ZB_TOTAL)
2337 (void) printf("%s\n", typename);
2339 (void) printf(" L%d %s\n",
2345 (void) printf("\n");
2350 if (zcb.zcb_haderrors)
2356 typedef struct zdb_ddt_entry {
2358 uint64_t zdde_ref_blocks;
2359 uint64_t zdde_ref_lsize;
2360 uint64_t zdde_ref_psize;
2361 uint64_t zdde_ref_dsize;
2362 avl_node_t zdde_node;
2367 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2368 arc_buf_t *pbuf, const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2370 avl_tree_t *t = arg;
2372 zdb_ddt_entry_t *zdde, zdde_search;
2377 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
2378 (void) printf("traversing objset %llu, %llu objects, "
2379 "%lu blocks so far\n",
2380 (u_longlong_t)zb->zb_objset,
2381 (u_longlong_t)bp->blk_fill,
2385 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
2386 BP_GET_LEVEL(bp) > 0 || dmu_ot[BP_GET_TYPE(bp)].ot_metadata)
2389 ddt_key_fill(&zdde_search.zdde_key, bp);
2391 zdde = avl_find(t, &zdde_search, &where);
2394 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
2395 zdde->zdde_key = zdde_search.zdde_key;
2396 avl_insert(t, zdde, where);
2399 zdde->zdde_ref_blocks += 1;
2400 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
2401 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
2402 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
2408 dump_simulated_ddt(spa_t *spa)
2411 void *cookie = NULL;
2412 zdb_ddt_entry_t *zdde;
2413 ddt_histogram_t ddh_total;
2414 ddt_stat_t dds_total;
2416 bzero(&ddh_total, sizeof (ddt_histogram_t));
2417 bzero(&dds_total, sizeof (ddt_stat_t));
2419 avl_create(&t, ddt_entry_compare,
2420 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
2422 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2424 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
2425 zdb_ddt_add_cb, &t);
2427 spa_config_exit(spa, SCL_CONFIG, FTAG);
2429 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
2431 uint64_t refcnt = zdde->zdde_ref_blocks;
2432 ASSERT(refcnt != 0);
2434 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
2435 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
2436 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
2437 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
2439 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
2440 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
2441 dds.dds_ref_psize = zdde->zdde_ref_psize;
2442 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
2444 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0);
2446 umem_free(zdde, sizeof (*zdde));
2451 ddt_histogram_stat(&dds_total, &ddh_total);
2453 (void) printf("Simulated DDT histogram:\n");
2455 zpool_dump_ddt(&dds_total, &ddh_total);
2457 dump_dedup_ratio(&dds_total);
2461 dump_zpool(spa_t *spa)
2463 dsl_pool_t *dp = spa_get_dsl(spa);
2466 if (dump_opt['S']) {
2467 dump_simulated_ddt(spa);
2471 if (!dump_opt['e'] && dump_opt['C'] > 1) {
2472 (void) printf("\nCached configuration:\n");
2473 dump_nvlist(spa->spa_config, 8);
2480 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
2485 if (dump_opt['d'] > 2 || dump_opt['m'])
2486 dump_metaslabs(spa);
2488 if (dump_opt['d'] || dump_opt['i']) {
2489 dump_dir(dp->dp_meta_objset);
2490 if (dump_opt['d'] >= 3) {
2491 dump_bpobj(&spa->spa_deferred_bpobj, "Deferred frees");
2492 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2493 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
2496 dump_dtl(spa->spa_root_vdev, 0);
2498 (void) dmu_objset_find(spa_name(spa), dump_one_dir,
2499 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
2501 if (dump_opt['b'] || dump_opt['c'])
2502 rc = dump_block_stats(spa);
2505 show_pool_stats(spa);
2514 #define ZDB_FLAG_CHECKSUM 0x0001
2515 #define ZDB_FLAG_DECOMPRESS 0x0002
2516 #define ZDB_FLAG_BSWAP 0x0004
2517 #define ZDB_FLAG_GBH 0x0008
2518 #define ZDB_FLAG_INDIRECT 0x0010
2519 #define ZDB_FLAG_PHYS 0x0020
2520 #define ZDB_FLAG_RAW 0x0040
2521 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
2526 zdb_print_blkptr(blkptr_t *bp, int flags)
2528 char blkbuf[BP_SPRINTF_LEN];
2530 if (flags & ZDB_FLAG_BSWAP)
2531 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
2533 sprintf_blkptr(blkbuf, bp);
2534 (void) printf("%s\n", blkbuf);
2538 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
2542 for (i = 0; i < nbps; i++)
2543 zdb_print_blkptr(&bp[i], flags);
2547 zdb_dump_gbh(void *buf, int flags)
2549 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
2553 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
2555 if (flags & ZDB_FLAG_BSWAP)
2556 byteswap_uint64_array(buf, size);
2557 VERIFY(write(fileno(stdout), buf, size) == size);
2561 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
2563 uint64_t *d = (uint64_t *)buf;
2564 int nwords = size / sizeof (uint64_t);
2565 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
2571 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
2573 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
2575 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
2577 for (i = 0; i < nwords; i += 2) {
2578 (void) printf("%06llx: %016llx %016llx ",
2579 (u_longlong_t)(i * sizeof (uint64_t)),
2580 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
2581 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
2584 for (j = 0; j < 2 * sizeof (uint64_t); j++)
2585 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
2586 (void) printf("\n");
2591 * There are two acceptable formats:
2592 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
2593 * child[.child]* - For example: 0.1.1
2595 * The second form can be used to specify arbitrary vdevs anywhere
2596 * in the heirarchy. For example, in a pool with a mirror of
2597 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
2600 zdb_vdev_lookup(vdev_t *vdev, char *path)
2608 /* First, assume the x.x.x.x format */
2609 i = (int)strtoul(path, &s, 10);
2610 if (s == path || (s && *s != '.' && *s != '\0'))
2612 if (i < 0 || i >= vdev->vdev_children)
2615 vdev = vdev->vdev_child[i];
2618 return (zdb_vdev_lookup(vdev, s+1));
2621 for (i = 0; i < vdev->vdev_children; i++) {
2622 vdev_t *vc = vdev->vdev_child[i];
2624 if (vc->vdev_path == NULL) {
2625 vc = zdb_vdev_lookup(vc, path);
2632 p = strrchr(vc->vdev_path, '/');
2633 p = p ? p + 1 : vc->vdev_path;
2634 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
2636 if (strcmp(vc->vdev_path, path) == 0)
2638 if (strcmp(p, path) == 0)
2640 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
2648 * Read a block from a pool and print it out. The syntax of the
2649 * block descriptor is:
2651 * pool:vdev_specifier:offset:size[:flags]
2653 * pool - The name of the pool you wish to read from
2654 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
2655 * offset - offset, in hex, in bytes
2656 * size - Amount of data to read, in hex, in bytes
2657 * flags - A string of characters specifying options
2658 * b: Decode a blkptr at given offset within block
2659 * *c: Calculate and display checksums
2660 * d: Decompress data before dumping
2661 * e: Byteswap data before dumping
2662 * g: Display data as a gang block header
2663 * i: Display as an indirect block
2664 * p: Do I/O to physical offset
2665 * r: Dump raw data to stdout
2667 * * = not yet implemented
2670 zdb_read_block(char *thing, spa_t *spa)
2672 blkptr_t blk, *bp = &blk;
2673 dva_t *dva = bp->blk_dva;
2675 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0;
2678 void *pbuf, *lbuf, *buf;
2679 char *s, *p, *dup, *vdev, *flagstr;
2682 dup = strdup(thing);
2683 s = strtok(dup, ":");
2685 s = strtok(NULL, ":");
2686 offset = strtoull(s ? s : "", NULL, 16);
2687 s = strtok(NULL, ":");
2688 size = strtoull(s ? s : "", NULL, 16);
2689 s = strtok(NULL, ":");
2690 flagstr = s ? s : "";
2694 s = "size must not be zero";
2695 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2696 s = "size must be a multiple of sector size";
2697 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2698 s = "offset must be a multiple of sector size";
2700 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2705 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2706 for (i = 0; flagstr[i]; i++) {
2707 int bit = flagbits[(uchar_t)flagstr[i]];
2710 (void) printf("***Invalid flag: %c\n",
2716 /* If it's not something with an argument, keep going */
2717 if ((bit & (ZDB_FLAG_CHECKSUM |
2718 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2721 p = &flagstr[i + 1];
2722 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2723 blkptr_offset = strtoull(p, &p, 16);
2724 if (*p != ':' && *p != '\0') {
2725 (void) printf("***Invalid flag arg: '%s'\n", s);
2732 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2734 (void) printf("***Invalid vdev: %s\n", vdev);
2739 (void) fprintf(stderr, "Found vdev: %s\n",
2742 (void) fprintf(stderr, "Found vdev type: %s\n",
2743 vd->vdev_ops->vdev_op_type);
2749 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2750 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2754 DVA_SET_VDEV(&dva[0], vd->vdev_id);
2755 DVA_SET_OFFSET(&dva[0], offset);
2756 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
2757 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
2759 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
2761 BP_SET_LSIZE(bp, lsize);
2762 BP_SET_PSIZE(bp, psize);
2763 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
2764 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
2765 BP_SET_TYPE(bp, DMU_OT_NONE);
2766 BP_SET_LEVEL(bp, 0);
2767 BP_SET_DEDUP(bp, 0);
2768 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
2770 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
2771 zio = zio_root(spa, NULL, NULL, 0);
2773 if (vd == vd->vdev_top) {
2775 * Treat this as a normal block read.
2777 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL,
2778 ZIO_PRIORITY_SYNC_READ,
2779 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
2782 * Treat this as a vdev child I/O.
2784 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize,
2785 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
2786 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
2787 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
2788 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
2791 error = zio_wait(zio);
2792 spa_config_exit(spa, SCL_STATE, FTAG);
2795 (void) printf("Read of %s failed, error: %d\n", thing, error);
2799 if (flags & ZDB_FLAG_DECOMPRESS) {
2801 * We don't know how the data was compressed, so just try
2802 * every decompress function at every inflated blocksize.
2804 enum zio_compress c;
2805 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2806 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2808 bcopy(pbuf, pbuf2, psize);
2810 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize,
2811 SPA_MAXBLOCKSIZE - psize) == 0);
2813 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize,
2814 SPA_MAXBLOCKSIZE - psize) == 0);
2816 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize;
2817 lsize -= SPA_MINBLOCKSIZE) {
2818 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) {
2819 if (zio_decompress_data(c, pbuf, lbuf,
2820 psize, lsize) == 0 &&
2821 zio_decompress_data(c, pbuf2, lbuf2,
2822 psize, lsize) == 0 &&
2823 bcmp(lbuf, lbuf2, lsize) == 0)
2826 if (c != ZIO_COMPRESS_FUNCTIONS)
2828 lsize -= SPA_MINBLOCKSIZE;
2831 umem_free(pbuf2, SPA_MAXBLOCKSIZE);
2832 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
2834 if (lsize <= psize) {
2835 (void) printf("Decompress of %s failed\n", thing);
2845 if (flags & ZDB_FLAG_PRINT_BLKPTR)
2846 zdb_print_blkptr((blkptr_t *)(void *)
2847 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
2848 else if (flags & ZDB_FLAG_RAW)
2849 zdb_dump_block_raw(buf, size, flags);
2850 else if (flags & ZDB_FLAG_INDIRECT)
2851 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
2853 else if (flags & ZDB_FLAG_GBH)
2854 zdb_dump_gbh(buf, flags);
2856 zdb_dump_block(thing, buf, size, flags);
2859 umem_free(pbuf, SPA_MAXBLOCKSIZE);
2860 umem_free(lbuf, SPA_MAXBLOCKSIZE);
2865 pool_match(nvlist_t *cfg, char *tgt)
2867 uint64_t v, guid = strtoull(tgt, NULL, 0);
2871 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0)
2874 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0)
2875 return (strcmp(s, tgt) == 0);
2881 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv)
2884 nvlist_t *match = NULL;
2889 importargs_t args = { 0 };
2893 args.can_be_active = B_TRUE;
2895 if ((sepp = strpbrk(*target, "/@")) != NULL) {
2900 pools = zpool_search_import(g_zfs, &args);
2902 if (pools != NULL) {
2903 nvpair_t *elem = NULL;
2904 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2905 verify(nvpair_value_nvlist(elem, configp) == 0);
2906 if (pool_match(*configp, *target)) {
2908 if (match != NULL) {
2909 /* print previously found config */
2911 (void) printf("%s\n", name);
2912 dump_nvlist(match, 8);
2915 (void) printf("%s\n",
2917 dump_nvlist(*configp, 8);
2920 name = nvpair_name(elem);
2926 (void) fatal("\tMatched %d pools - use pool GUID "
2927 "instead of pool name or \n"
2928 "\tpool name part of a dataset name to select pool", count);
2933 * If pool GUID was specified for pool id, replace it with pool name
2935 if (name && (strstr(*target, name) != *target)) {
2936 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0);
2938 *target = umem_alloc(sz, UMEM_NOFAIL);
2939 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : "");
2942 *configp = name ? match : NULL;
2948 main(int argc, char **argv)
2951 struct rlimit rl = { 1024, 1024 };
2953 objset_t *os = NULL;
2957 char **searchdirs = NULL;
2960 nvlist_t *policy = NULL;
2961 uint64_t max_txg = UINT64_MAX;
2962 int rewind = ZPOOL_NEVER_REWIND;
2964 (void) setrlimit(RLIMIT_NOFILE, &rl);
2965 (void) enable_extended_FILE_stdio(-1, -1);
2967 dprintf_setup(&argc, argv);
2969 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) {
2999 if (searchdirs == NULL) {
3000 searchdirs = umem_alloc(sizeof (char *),
3003 char **tmp = umem_alloc((nsearch + 1) *
3004 sizeof (char *), UMEM_NOFAIL);
3005 bcopy(searchdirs, tmp, nsearch *
3007 umem_free(searchdirs,
3008 nsearch * sizeof (char *));
3011 searchdirs[nsearch++] = optarg;
3014 max_txg = strtoull(optarg, NULL, 0);
3015 if (max_txg < TXG_INITIAL) {
3016 (void) fprintf(stderr, "incorrect txg "
3017 "specified: %s\n", optarg);
3022 spa_config_path = optarg;
3030 if (!dump_opt['e'] && searchdirs != NULL) {
3031 (void) fprintf(stderr, "-p option requires use of -e\n");
3036 if ((g_zfs = libzfs_init()) == NULL)
3040 verbose = MAX(verbose, 1);
3042 for (c = 0; c < 256; c++) {
3043 if (dump_all && !strchr("elAFLRSXP", c))
3046 dump_opt[c] += verbose;
3049 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
3050 zfs_recover = (dump_opt['A'] > 1);
3055 if (argc < 2 && dump_opt['R'])
3058 if (!dump_opt['e'] && dump_opt['C']) {
3059 dump_cachefile(spa_config_path);
3065 if (dump_opt['l']) {
3066 dump_label(argv[0]);
3070 if (dump_opt['X'] || dump_opt['F'])
3071 rewind = ZPOOL_DO_REWIND |
3072 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
3074 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
3075 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 ||
3076 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0)
3077 fatal("internal error: %s", strerror(ENOMEM));
3082 if (dump_opt['e']) {
3083 nvlist_t *cfg = NULL;
3084 char *name = find_zpool(&target, &cfg, nsearch, searchdirs);
3088 if (dump_opt['C'] > 1) {
3089 (void) printf("\nConfiguration for import:\n");
3090 dump_nvlist(cfg, 8);
3092 if (nvlist_add_nvlist(cfg,
3093 ZPOOL_REWIND_POLICY, policy) != 0) {
3094 fatal("can't open '%s': %s",
3095 target, strerror(ENOMEM));
3097 if ((error = spa_import(name, cfg, NULL,
3098 ZFS_IMPORT_MISSING_LOG)) != 0) {
3099 error = spa_import(name, cfg, NULL,
3100 ZFS_IMPORT_VERBATIM);
3106 if (strpbrk(target, "/@") == NULL || dump_opt['R']) {
3107 error = spa_open_rewind(target, &spa, FTAG, policy,
3111 * If we're missing the log device then
3112 * try opening the pool after clearing the
3115 mutex_enter(&spa_namespace_lock);
3116 if ((spa = spa_lookup(target)) != NULL &&
3117 spa->spa_log_state == SPA_LOG_MISSING) {
3118 spa->spa_log_state = SPA_LOG_CLEAR;
3121 mutex_exit(&spa_namespace_lock);
3124 error = spa_open_rewind(target, &spa,
3125 FTAG, policy, NULL);
3129 error = dmu_objset_own(target, DMU_OST_ANY,
3133 nvlist_free(policy);
3136 fatal("can't open '%s': %s", target, strerror(error));
3140 if (!dump_opt['R']) {
3142 zopt_objects = argc;
3143 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
3144 for (i = 0; i < zopt_objects; i++) {
3146 zopt_object[i] = strtoull(argv[i], NULL, 0);
3147 if (zopt_object[i] == 0 && errno != 0)
3148 fatal("bad number %s: %s",
3149 argv[i], strerror(errno));
3152 (os != NULL) ? dump_dir(os) : dump_zpool(spa);
3154 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
3155 flagbits['c'] = ZDB_FLAG_CHECKSUM;
3156 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
3157 flagbits['e'] = ZDB_FLAG_BSWAP;
3158 flagbits['g'] = ZDB_FLAG_GBH;
3159 flagbits['i'] = ZDB_FLAG_INDIRECT;
3160 flagbits['p'] = ZDB_FLAG_PHYS;
3161 flagbits['r'] = ZDB_FLAG_RAW;
3163 for (i = 0; i < argc; i++)
3164 zdb_read_block(argv[i], spa);
3167 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG);
3169 fuid_table_destroy();
3170 sa_loaded = B_FALSE;