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 if ((count = ddt_object_count(ddt, type, class)) == 0)
704 dspace = doi.doi_physical_blocks_512 << 9;
705 mspace = doi.doi_fill_count * doi.doi_data_block_size;
707 ddt_object_name(ddt, type, class, name);
709 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n",
712 (u_longlong_t)(dspace / count),
713 (u_longlong_t)(mspace / count));
715 if (dump_opt['D'] < 3)
718 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]);
720 if (dump_opt['D'] < 4)
723 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE)
726 (void) printf("%s contents:\n\n", name);
728 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0)
729 dump_dde(ddt, &dde, walk);
731 ASSERT(error == ENOENT);
737 dump_all_ddts(spa_t *spa)
739 ddt_histogram_t ddh_total;
740 ddt_stat_t dds_total;
743 enum ddt_class class;
745 bzero(&ddh_total, sizeof (ddt_histogram_t));
746 bzero(&dds_total, sizeof (ddt_stat_t));
748 for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
749 ddt_t *ddt = spa->spa_ddt[c];
750 for (type = 0; type < DDT_TYPES; type++) {
751 for (class = 0; class < DDT_CLASSES;
753 dump_ddt(ddt, type, class);
758 ddt_get_dedup_stats(spa, &dds_total);
760 if (dds_total.dds_blocks == 0) {
761 (void) printf("All DDTs are empty\n");
767 if (dump_opt['D'] > 1) {
768 (void) printf("DDT histogram (aggregated over all DDTs):\n");
769 ddt_get_dedup_histogram(spa, &ddh_total);
770 zpool_dump_ddt(&dds_total, &ddh_total);
773 dump_dedup_ratio(&dds_total);
777 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size)
779 char *prefix = (void *)sm;
781 (void) printf("%s [%llu,%llu) length %llu\n",
784 (u_longlong_t)(start + size),
785 (u_longlong_t)(size));
789 dump_dtl(vdev_t *vd, int indent)
791 spa_t *spa = vd->vdev_spa;
793 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
797 spa_vdev_state_enter(spa, SCL_NONE);
798 required = vdev_dtl_required(vd);
799 (void) spa_vdev_state_exit(spa, NULL, 0);
802 (void) printf("\nDirty time logs:\n\n");
804 (void) printf("\t%*s%s [%s]\n", indent, "",
805 vd->vdev_path ? vd->vdev_path :
806 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
807 required ? "DTL-required" : "DTL-expendable");
809 for (t = 0; t < DTL_TYPES; t++) {
810 space_map_t *sm = &vd->vdev_dtl[t];
811 if (sm->sm_space == 0)
813 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s",
814 indent + 2, "", name[t]);
815 mutex_enter(sm->sm_lock);
816 space_map_walk(sm, dump_dtl_seg, (void *)prefix);
817 mutex_exit(sm->sm_lock);
818 if (dump_opt['d'] > 5 && vd->vdev_children == 0)
819 dump_spacemap(spa->spa_meta_objset,
820 &vd->vdev_dtl_smo, sm);
823 for (c = 0; c < vd->vdev_children; c++)
824 dump_dtl(vd->vdev_child[c], indent + 4);
828 dump_history(spa_t *spa)
830 nvlist_t **events = NULL;
831 char buf[SPA_MAXBLOCKSIZE];
832 uint64_t resid, len, off = 0;
838 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 (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],
880 (longlong_t)txg, intstr);
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;
920 if (dump_opt['b'] >= 5) {
921 sprintf_blkptr(blkbuf, bp);
927 for (i = 0; i < ndvas; i++)
928 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
929 (u_longlong_t)DVA_GET_VDEV(&dva[i]),
930 (u_longlong_t)DVA_GET_OFFSET(&dva[i]),
931 (u_longlong_t)DVA_GET_ASIZE(&dva[i]));
933 (void) sprintf(blkbuf + strlen(blkbuf),
934 "%llxL/%llxP F=%llu B=%llu/%llu",
935 (u_longlong_t)BP_GET_LSIZE(bp),
936 (u_longlong_t)BP_GET_PSIZE(bp),
937 (u_longlong_t)bp->blk_fill,
938 (u_longlong_t)bp->blk_birth,
939 (u_longlong_t)BP_PHYSICAL_BIRTH(bp));
943 print_indirect(blkptr_t *bp, const zbookmark_t *zb,
944 const dnode_phys_t *dnp)
946 char blkbuf[BP_SPRINTF_LEN];
949 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type);
950 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level);
952 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb));
954 ASSERT(zb->zb_level >= 0);
956 for (l = dnp->dn_nlevels - 1; l >= -1; l--) {
957 if (l == zb->zb_level) {
958 (void) printf("L%llx", (u_longlong_t)zb->zb_level);
964 sprintf_blkptr_compact(blkbuf, bp);
965 (void) printf("%s\n", blkbuf);
969 visit_indirect(spa_t *spa, const dnode_phys_t *dnp,
970 blkptr_t *bp, const zbookmark_t *zb)
974 if (bp->blk_birth == 0)
977 print_indirect(bp, zb, dnp);
979 if (BP_GET_LEVEL(bp) > 0) {
980 uint32_t flags = ARC_WAIT;
983 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
987 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf,
988 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb);
993 /* recursively visit blocks below this */
995 for (i = 0; i < epb; i++, cbp++) {
998 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
1000 zb->zb_blkid * epb + i);
1001 err = visit_indirect(spa, dnp, cbp, &czb);
1004 fill += cbp->blk_fill;
1007 ASSERT3U(fill, ==, bp->blk_fill);
1008 (void) arc_buf_remove_ref(buf, &buf);
1016 dump_indirect(dnode_t *dn)
1018 dnode_phys_t *dnp = dn->dn_phys;
1022 (void) printf("Indirect blocks:\n");
1024 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset),
1025 dn->dn_object, dnp->dn_nlevels - 1, 0);
1026 for (j = 0; j < dnp->dn_nblkptr; j++) {
1028 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp,
1029 &dnp->dn_blkptr[j], &czb);
1032 (void) printf("\n");
1037 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size)
1039 dsl_dir_phys_t *dd = data;
1046 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t));
1048 crtime = dd->dd_creation_time;
1049 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1050 (void) printf("\t\thead_dataset_obj = %llu\n",
1051 (u_longlong_t)dd->dd_head_dataset_obj);
1052 (void) printf("\t\tparent_dir_obj = %llu\n",
1053 (u_longlong_t)dd->dd_parent_obj);
1054 (void) printf("\t\torigin_obj = %llu\n",
1055 (u_longlong_t)dd->dd_origin_obj);
1056 (void) printf("\t\tchild_dir_zapobj = %llu\n",
1057 (u_longlong_t)dd->dd_child_dir_zapobj);
1058 zdb_nicenum(dd->dd_used_bytes, nice);
1059 (void) printf("\t\tused_bytes = %s\n", nice);
1060 zdb_nicenum(dd->dd_compressed_bytes, nice);
1061 (void) printf("\t\tcompressed_bytes = %s\n", nice);
1062 zdb_nicenum(dd->dd_uncompressed_bytes, nice);
1063 (void) printf("\t\tuncompressed_bytes = %s\n", nice);
1064 zdb_nicenum(dd->dd_quota, nice);
1065 (void) printf("\t\tquota = %s\n", nice);
1066 zdb_nicenum(dd->dd_reserved, nice);
1067 (void) printf("\t\treserved = %s\n", nice);
1068 (void) printf("\t\tprops_zapobj = %llu\n",
1069 (u_longlong_t)dd->dd_props_zapobj);
1070 (void) printf("\t\tdeleg_zapobj = %llu\n",
1071 (u_longlong_t)dd->dd_deleg_zapobj);
1072 (void) printf("\t\tflags = %llx\n",
1073 (u_longlong_t)dd->dd_flags);
1076 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \
1077 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice)
1088 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size)
1090 dsl_dataset_phys_t *ds = data;
1092 char used[32], compressed[32], uncompressed[32], unique[32];
1093 char blkbuf[BP_SPRINTF_LEN];
1098 ASSERT(size == sizeof (*ds));
1099 crtime = ds->ds_creation_time;
1100 zdb_nicenum(ds->ds_used_bytes, used);
1101 zdb_nicenum(ds->ds_compressed_bytes, compressed);
1102 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed);
1103 zdb_nicenum(ds->ds_unique_bytes, unique);
1104 sprintf_blkptr(blkbuf, &ds->ds_bp);
1106 (void) printf("\t\tdir_obj = %llu\n",
1107 (u_longlong_t)ds->ds_dir_obj);
1108 (void) printf("\t\tprev_snap_obj = %llu\n",
1109 (u_longlong_t)ds->ds_prev_snap_obj);
1110 (void) printf("\t\tprev_snap_txg = %llu\n",
1111 (u_longlong_t)ds->ds_prev_snap_txg);
1112 (void) printf("\t\tnext_snap_obj = %llu\n",
1113 (u_longlong_t)ds->ds_next_snap_obj);
1114 (void) printf("\t\tsnapnames_zapobj = %llu\n",
1115 (u_longlong_t)ds->ds_snapnames_zapobj);
1116 (void) printf("\t\tnum_children = %llu\n",
1117 (u_longlong_t)ds->ds_num_children);
1118 (void) printf("\t\tuserrefs_obj = %llu\n",
1119 (u_longlong_t)ds->ds_userrefs_obj);
1120 (void) printf("\t\tcreation_time = %s", ctime(&crtime));
1121 (void) printf("\t\tcreation_txg = %llu\n",
1122 (u_longlong_t)ds->ds_creation_txg);
1123 (void) printf("\t\tdeadlist_obj = %llu\n",
1124 (u_longlong_t)ds->ds_deadlist_obj);
1125 (void) printf("\t\tused_bytes = %s\n", used);
1126 (void) printf("\t\tcompressed_bytes = %s\n", compressed);
1127 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed);
1128 (void) printf("\t\tunique = %s\n", unique);
1129 (void) printf("\t\tfsid_guid = %llu\n",
1130 (u_longlong_t)ds->ds_fsid_guid);
1131 (void) printf("\t\tguid = %llu\n",
1132 (u_longlong_t)ds->ds_guid);
1133 (void) printf("\t\tflags = %llx\n",
1134 (u_longlong_t)ds->ds_flags);
1135 (void) printf("\t\tnext_clones_obj = %llu\n",
1136 (u_longlong_t)ds->ds_next_clones_obj);
1137 (void) printf("\t\tprops_obj = %llu\n",
1138 (u_longlong_t)ds->ds_props_obj);
1139 (void) printf("\t\tbp = %s\n", blkbuf);
1144 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
1146 char blkbuf[BP_SPRINTF_LEN];
1148 ASSERT(bp->blk_birth != 0);
1149 sprintf_blkptr_compact(blkbuf, bp);
1150 (void) printf("\t%s\n", blkbuf);
1155 dump_bpobj(bpobj_t *bpo, char *name)
1161 if (dump_opt['d'] < 3)
1164 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes);
1165 if (bpo->bpo_havesubobj) {
1166 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp);
1167 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp);
1168 (void) printf("\n %s: %llu local blkptrs, %llu subobjs, "
1169 "%s (%s/%s comp)\n",
1170 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs,
1171 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs,
1172 bytes, comp, uncomp);
1174 (void) printf("\n %s: %llu blkptrs, %s\n",
1175 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, bytes);
1178 if (dump_opt['d'] < 5)
1181 (void) printf("\n");
1183 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL);
1187 dump_deadlist(dsl_deadlist_t *dl)
1189 dsl_deadlist_entry_t *dle;
1194 if (dump_opt['d'] < 3)
1197 zdb_nicenum(dl->dl_phys->dl_used, bytes);
1198 zdb_nicenum(dl->dl_phys->dl_comp, comp);
1199 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp);
1200 (void) printf("\n Deadlist: %s (%s/%s comp)\n",
1201 bytes, comp, uncomp);
1203 if (dump_opt['d'] < 4)
1206 (void) printf("\n");
1208 for (dle = avl_first(&dl->dl_tree); dle;
1209 dle = AVL_NEXT(&dl->dl_tree, dle)) {
1210 (void) printf(" mintxg %llu -> obj %llu\n",
1211 (longlong_t)dle->dle_mintxg,
1212 (longlong_t)dle->dle_bpobj.bpo_object);
1214 if (dump_opt['d'] >= 5)
1215 dump_bpobj(&dle->dle_bpobj, "");
1219 static avl_tree_t idx_tree;
1220 static avl_tree_t domain_tree;
1221 static boolean_t fuid_table_loaded;
1222 static boolean_t sa_loaded;
1223 sa_attr_type_t *sa_attr_table;
1226 fuid_table_destroy(void)
1228 if (fuid_table_loaded) {
1229 zfs_fuid_table_destroy(&idx_tree, &domain_tree);
1230 fuid_table_loaded = B_FALSE;
1235 * print uid or gid information.
1236 * For normal POSIX id just the id is printed in decimal format.
1237 * For CIFS files with FUID the fuid is printed in hex followed by
1238 * the doman-rid string.
1241 print_idstr(uint64_t id, const char *id_type)
1243 if (FUID_INDEX(id)) {
1246 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id));
1247 (void) printf("\t%s %llx [%s-%d]\n", id_type,
1248 (u_longlong_t)id, domain, (int)FUID_RID(id));
1250 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id);
1256 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid)
1258 uint32_t uid_idx, gid_idx;
1260 uid_idx = FUID_INDEX(uid);
1261 gid_idx = FUID_INDEX(gid);
1263 /* Load domain table, if not already loaded */
1264 if (!fuid_table_loaded && (uid_idx || gid_idx)) {
1267 /* first find the fuid object. It lives in the master node */
1268 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES,
1269 8, 1, &fuid_obj) == 0);
1270 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree);
1271 (void) zfs_fuid_table_load(os, fuid_obj,
1272 &idx_tree, &domain_tree);
1273 fuid_table_loaded = B_TRUE;
1276 print_idstr(uid, "uid");
1277 print_idstr(gid, "gid");
1282 dump_znode(objset_t *os, uint64_t object, void *data, size_t size)
1284 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */
1286 uint64_t xattr, rdev, gen;
1287 uint64_t uid, gid, mode, fsize, parent, links;
1289 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2];
1290 time_t z_crtime, z_atime, z_mtime, z_ctime;
1291 sa_bulk_attr_t bulk[12];
1296 uint64_t sa_attrs = 0;
1299 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR,
1300 8, 1, &version) == 0);
1301 if (version >= ZPL_VERSION_SA) {
1302 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS,
1303 8, 1, &sa_attrs) == 0);
1305 if ((error = sa_setup(os, sa_attrs, zfs_attr_table,
1306 ZPL_END, &sa_attr_table)) != 0) {
1307 (void) printf("sa_setup failed errno %d, can't "
1308 "display znode contents\n", error);
1314 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) {
1315 (void) printf("Failed to get handle for SA znode\n");
1319 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8);
1320 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8);
1321 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL,
1323 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8);
1324 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL,
1326 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT],
1328 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL,
1330 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL,
1332 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL,
1334 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL,
1336 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL,
1338 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL,
1341 if (sa_bulk_lookup(hdl, bulk, idx)) {
1342 (void) sa_handle_destroy(hdl);
1346 error = zfs_obj_to_path(os, object, path, sizeof (path));
1348 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>",
1349 (u_longlong_t)object);
1351 if (dump_opt['d'] < 3) {
1352 (void) printf("\t%s\n", path);
1353 (void) sa_handle_destroy(hdl);
1357 z_crtime = (time_t)crtm[0];
1358 z_atime = (time_t)acctm[0];
1359 z_mtime = (time_t)modtm[0];
1360 z_ctime = (time_t)chgtm[0];
1362 (void) printf("\tpath %s\n", path);
1363 dump_uidgid(os, uid, gid);
1364 (void) printf("\tatime %s", ctime(&z_atime));
1365 (void) printf("\tmtime %s", ctime(&z_mtime));
1366 (void) printf("\tctime %s", ctime(&z_ctime));
1367 (void) printf("\tcrtime %s", ctime(&z_crtime));
1368 (void) printf("\tgen %llu\n", (u_longlong_t)gen);
1369 (void) printf("\tmode %llo\n", (u_longlong_t)mode);
1370 (void) printf("\tsize %llu\n", (u_longlong_t)fsize);
1371 (void) printf("\tparent %llu\n", (u_longlong_t)parent);
1372 (void) printf("\tlinks %llu\n", (u_longlong_t)links);
1373 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags);
1374 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr,
1375 sizeof (uint64_t)) == 0)
1376 (void) printf("\txattr %llu\n", (u_longlong_t)xattr);
1377 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev,
1378 sizeof (uint64_t)) == 0)
1379 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev);
1380 sa_handle_destroy(hdl);
1385 dump_acl(objset_t *os, uint64_t object, void *data, size_t size)
1391 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size)
1395 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = {
1396 dump_none, /* unallocated */
1397 dump_zap, /* object directory */
1398 dump_uint64, /* object array */
1399 dump_none, /* packed nvlist */
1400 dump_packed_nvlist, /* packed nvlist size */
1401 dump_none, /* bplist */
1402 dump_none, /* bplist header */
1403 dump_none, /* SPA space map header */
1404 dump_none, /* SPA space map */
1405 dump_none, /* ZIL intent log */
1406 dump_dnode, /* DMU dnode */
1407 dump_dmu_objset, /* DMU objset */
1408 dump_dsl_dir, /* DSL directory */
1409 dump_zap, /* DSL directory child map */
1410 dump_zap, /* DSL dataset snap map */
1411 dump_zap, /* DSL props */
1412 dump_dsl_dataset, /* DSL dataset */
1413 dump_znode, /* ZFS znode */
1414 dump_acl, /* ZFS V0 ACL */
1415 dump_uint8, /* ZFS plain file */
1416 dump_zpldir, /* ZFS directory */
1417 dump_zap, /* ZFS master node */
1418 dump_zap, /* ZFS delete queue */
1419 dump_uint8, /* zvol object */
1420 dump_zap, /* zvol prop */
1421 dump_uint8, /* other uint8[] */
1422 dump_uint64, /* other uint64[] */
1423 dump_zap, /* other ZAP */
1424 dump_zap, /* persistent error log */
1425 dump_uint8, /* SPA history */
1426 dump_uint64, /* SPA history offsets */
1427 dump_zap, /* Pool properties */
1428 dump_zap, /* DSL permissions */
1429 dump_acl, /* ZFS ACL */
1430 dump_uint8, /* ZFS SYSACL */
1431 dump_none, /* FUID nvlist */
1432 dump_packed_nvlist, /* FUID nvlist size */
1433 dump_zap, /* DSL dataset next clones */
1434 dump_zap, /* DSL scrub queue */
1435 dump_zap, /* ZFS user/group used */
1436 dump_zap, /* ZFS user/group quota */
1437 dump_zap, /* snapshot refcount tags */
1438 dump_ddt_zap, /* DDT ZAP object */
1439 dump_zap, /* DDT statistics */
1440 dump_znode, /* SA object */
1441 dump_zap, /* SA Master Node */
1442 dump_sa_attrs, /* SA attribute registration */
1443 dump_sa_layouts, /* SA attribute layouts */
1444 dump_zap, /* DSL scrub translations */
1445 dump_none, /* fake dedup BP */
1446 dump_zap, /* deadlist */
1447 dump_none, /* deadlist hdr */
1448 dump_zap, /* dsl clones */
1449 dump_none, /* bpobj subobjs */
1450 dump_unknown, /* Unknown type, must be last */
1454 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header)
1456 dmu_buf_t *db = NULL;
1457 dmu_object_info_t doi;
1461 char iblk[32], dblk[32], lsize[32], asize[32], fill[32];
1462 char bonus_size[32];
1466 if (*print_header) {
1467 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n",
1468 "Object", "lvl", "iblk", "dblk", "dsize", "lsize",
1474 dn = DMU_META_DNODE(os);
1476 error = dmu_bonus_hold(os, object, FTAG, &db);
1478 fatal("dmu_bonus_hold(%llu) failed, errno %u",
1480 bonus = db->db_data;
1481 bsize = db->db_size;
1482 dn = DB_DNODE((dmu_buf_impl_t *)db);
1484 dmu_object_info_from_dnode(dn, &doi);
1486 zdb_nicenum(doi.doi_metadata_block_size, iblk);
1487 zdb_nicenum(doi.doi_data_block_size, dblk);
1488 zdb_nicenum(doi.doi_max_offset, lsize);
1489 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize);
1490 zdb_nicenum(doi.doi_bonus_size, bonus_size);
1491 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count *
1492 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) /
1493 doi.doi_max_offset);
1497 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) {
1498 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)",
1499 ZDB_CHECKSUM_NAME(doi.doi_checksum));
1502 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) {
1503 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)",
1504 ZDB_COMPRESS_NAME(doi.doi_compress));
1507 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n",
1508 (u_longlong_t)object, doi.doi_indirection, iblk, dblk,
1509 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux);
1511 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) {
1512 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n",
1513 "", "", "", "", "", bonus_size, "bonus",
1514 ZDB_OT_NAME(doi.doi_bonus_type));
1517 if (verbosity >= 4) {
1518 (void) printf("\tdnode flags: %s%s%s\n",
1519 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ?
1521 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ?
1522 "USERUSED_ACCOUNTED " : "",
1523 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ?
1524 "SPILL_BLKPTR" : "");
1525 (void) printf("\tdnode maxblkid: %llu\n",
1526 (longlong_t)dn->dn_phys->dn_maxblkid);
1528 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object,
1530 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0);
1537 if (verbosity >= 5) {
1539 * Report the list of segments that comprise the object.
1543 uint64_t blkfill = 1;
1546 if (dn->dn_type == DMU_OT_DNODE) {
1548 blkfill = DNODES_PER_BLOCK;
1553 error = dnode_next_offset(dn,
1554 0, &start, minlvl, blkfill, 0);
1558 error = dnode_next_offset(dn,
1559 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0);
1560 zdb_nicenum(end - start, segsize);
1561 (void) printf("\t\tsegment [%016llx, %016llx)"
1562 " size %5s\n", (u_longlong_t)start,
1563 (u_longlong_t)end, segsize);
1571 dmu_buf_rele(db, FTAG);
1574 static char *objset_types[DMU_OST_NUMTYPES] = {
1575 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" };
1578 dump_dir(objset_t *os)
1580 dmu_objset_stats_t dds;
1581 uint64_t object, object_count;
1582 uint64_t refdbytes, usedobjs, scratch;
1584 char blkbuf[BP_SPRINTF_LEN + 20];
1585 char osname[MAXNAMELEN];
1586 char *type = "UNKNOWN";
1587 int verbosity = dump_opt['d'];
1588 int print_header = 1;
1591 dmu_objset_fast_stat(os, &dds);
1593 if (dds.dds_type < DMU_OST_NUMTYPES)
1594 type = objset_types[dds.dds_type];
1596 if (dds.dds_type == DMU_OST_META) {
1597 dds.dds_creation_txg = TXG_INITIAL;
1598 usedobjs = os->os_rootbp->blk_fill;
1599 refdbytes = os->os_spa->spa_dsl_pool->
1600 dp_mos_dir->dd_phys->dd_used_bytes;
1602 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch);
1605 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill);
1607 zdb_nicenum(refdbytes, numbuf);
1609 if (verbosity >= 4) {
1610 (void) sprintf(blkbuf, ", rootbp ");
1611 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp);
1616 dmu_objset_name(os, osname);
1618 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, "
1619 "%s, %llu objects%s\n",
1620 osname, type, (u_longlong_t)dmu_objset_id(os),
1621 (u_longlong_t)dds.dds_creation_txg,
1622 numbuf, (u_longlong_t)usedobjs, blkbuf);
1624 if (zopt_objects != 0) {
1625 for (i = 0; i < zopt_objects; i++)
1626 dump_object(os, zopt_object[i], verbosity,
1628 (void) printf("\n");
1632 if (dump_opt['i'] != 0 || verbosity >= 2)
1633 dump_intent_log(dmu_objset_zil(os));
1635 if (dmu_objset_ds(os) != NULL)
1636 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist);
1641 if (os->os_rootbp->blk_birth == 0)
1644 dump_object(os, 0, verbosity, &print_header);
1646 if (DMU_USERUSED_DNODE(os) != NULL &&
1647 DMU_USERUSED_DNODE(os)->dn_type != 0) {
1648 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header);
1649 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header);
1653 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) {
1654 dump_object(os, object, verbosity, &print_header);
1658 ASSERT3U(object_count, ==, usedobjs);
1660 (void) printf("\n");
1662 if (error != ESRCH) {
1663 (void) fprintf(stderr, "dmu_object_next() = %d\n", error);
1669 dump_uberblock(uberblock_t *ub, const char *header, const char *footer)
1671 time_t timestamp = ub->ub_timestamp;
1673 (void) printf("%s", header ? header : "");
1674 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic);
1675 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version);
1676 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg);
1677 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum);
1678 (void) printf("\ttimestamp = %llu UTC = %s",
1679 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp)));
1680 if (dump_opt['u'] >= 3) {
1681 char blkbuf[BP_SPRINTF_LEN];
1682 sprintf_blkptr(blkbuf, &ub->ub_rootbp);
1683 (void) printf("\trootbp = %s\n", blkbuf);
1685 (void) printf("%s", footer ? footer : "");
1689 dump_config(spa_t *spa)
1696 error = dmu_bonus_hold(spa->spa_meta_objset,
1697 spa->spa_config_object, FTAG, &db);
1700 nvsize = *(uint64_t *)db->db_data;
1701 dmu_buf_rele(db, FTAG);
1703 (void) printf("\nMOS Configuration:\n");
1704 dump_packed_nvlist(spa->spa_meta_objset,
1705 spa->spa_config_object, (void *)&nvsize, 1);
1707 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d",
1708 (u_longlong_t)spa->spa_config_object, error);
1713 dump_cachefile(const char *cachefile)
1716 struct stat64 statbuf;
1720 if ((fd = open64(cachefile, O_RDONLY)) < 0) {
1721 (void) printf("cannot open '%s': %s\n", cachefile,
1726 if (fstat64(fd, &statbuf) != 0) {
1727 (void) printf("failed to stat '%s': %s\n", cachefile,
1732 if ((buf = malloc(statbuf.st_size)) == NULL) {
1733 (void) fprintf(stderr, "failed to allocate %llu bytes\n",
1734 (u_longlong_t)statbuf.st_size);
1738 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) {
1739 (void) fprintf(stderr, "failed to read %llu bytes\n",
1740 (u_longlong_t)statbuf.st_size);
1746 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) {
1747 (void) fprintf(stderr, "failed to unpack nvlist\n");
1753 dump_nvlist(config, 0);
1755 nvlist_free(config);
1758 #define ZDB_MAX_UB_HEADER_SIZE 32
1761 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
1765 char header[ZDB_MAX_UB_HEADER_SIZE];
1768 vd.vdev_ashift = ashift;
1769 vdp->vdev_top = vdp;
1771 for (i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
1772 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
1773 uberblock_t *ub = (void *)((char *)lbl + uoff);
1775 if (uberblock_verify(ub))
1777 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE,
1778 "Uberblock[%d]\n", i);
1779 dump_uberblock(ub, header, "");
1784 dump_label(const char *dev)
1788 char *path, *buf = label.vl_vdev_phys.vp_nvlist;
1789 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist);
1790 struct stat64 statbuf;
1791 uint64_t psize, ashift;
1792 int len = strlen(dev) + 1;
1795 if (strncmp(dev, "/dev/dsk/", 9) == 0) {
1798 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9);
1803 if ((fd = open64(path, O_RDONLY)) < 0) {
1804 (void) printf("cannot open '%s': %s\n", path, strerror(errno));
1809 if (fstat64_blk(fd, &statbuf) != 0) {
1810 (void) printf("failed to stat '%s': %s\n", path,
1817 psize = statbuf.st_size;
1818 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
1820 for (l = 0; l < VDEV_LABELS; l++) {
1821 nvlist_t *config = NULL;
1823 (void) printf("--------------------------------------------\n");
1824 (void) printf("LABEL %d\n", l);
1825 (void) printf("--------------------------------------------\n");
1827 if (pread64(fd, &label, sizeof (label),
1828 vdev_label_offset(psize, l, 0)) != sizeof (label)) {
1829 (void) printf("failed to read label %d\n", l);
1833 if (nvlist_unpack(buf, buflen, &config, 0) != 0) {
1834 (void) printf("failed to unpack label %d\n", l);
1835 ashift = SPA_MINBLOCKSHIFT;
1837 nvlist_t *vdev_tree = NULL;
1839 dump_nvlist(config, 4);
1840 if ((nvlist_lookup_nvlist(config,
1841 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) ||
1842 (nvlist_lookup_uint64(vdev_tree,
1843 ZPOOL_CONFIG_ASHIFT, &ashift) != 0))
1844 ashift = SPA_MINBLOCKSHIFT;
1845 nvlist_free(config);
1848 dump_label_uberblocks(&label, ashift);
1857 dump_one_dir(const char *dsname, void *arg)
1862 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os);
1864 (void) printf("Could not open %s, error %d\n", dsname, error);
1868 dmu_objset_disown(os, FTAG);
1869 fuid_table_destroy();
1870 sa_loaded = B_FALSE;
1877 typedef struct zdb_blkstats {
1885 * Extended object types to report deferred frees and dedup auto-ditto blocks.
1887 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0)
1888 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1)
1889 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 2)
1891 static char *zdb_ot_extname[] = {
1897 #define ZB_TOTAL DN_MAX_LEVELS
1899 typedef struct zdb_cb {
1900 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1];
1901 uint64_t zcb_dedup_asize;
1902 uint64_t zcb_dedup_blocks;
1903 uint64_t zcb_errors[256];
1910 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
1911 dmu_object_type_t type)
1913 uint64_t refcnt = 0;
1916 ASSERT(type < ZDB_OT_TOTAL);
1918 if (zilog && zil_bp_tree_add(zilog, bp) != 0)
1921 for (i = 0; i < 4; i++) {
1922 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
1923 int t = (i & 1) ? type : ZDB_OT_TOTAL;
1924 zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
1926 zb->zb_asize += BP_GET_ASIZE(bp);
1927 zb->zb_lsize += BP_GET_LSIZE(bp);
1928 zb->zb_psize += BP_GET_PSIZE(bp);
1935 if (BP_GET_DEDUP(bp)) {
1939 ddt = ddt_select(zcb->zcb_spa, bp);
1941 dde = ddt_lookup(ddt, bp, B_FALSE);
1946 ddt_phys_t *ddp = ddt_phys_select(dde, bp);
1947 ddt_phys_decref(ddp);
1948 refcnt = ddp->ddp_refcnt;
1949 if (ddt_phys_total_refcnt(dde) == 0)
1950 ddt_remove(ddt, dde);
1955 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa,
1956 refcnt ? 0 : spa_first_txg(zcb->zcb_spa),
1957 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0);
1962 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf,
1963 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
1965 zdb_cb_t *zcb = arg;
1966 char blkbuf[BP_SPRINTF_LEN];
1967 dmu_object_type_t type;
1968 boolean_t is_metadata;
1973 type = BP_GET_TYPE(bp);
1975 zdb_count_block(zcb, zilog, bp, type);
1977 is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata);
1979 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) {
1981 size_t size = BP_GET_PSIZE(bp);
1982 void *data = malloc(size);
1983 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW;
1985 /* If it's an intent log block, failure is expected. */
1986 if (zb->zb_level == ZB_ZIL_LEVEL)
1987 flags |= ZIO_FLAG_SPECULATIVE;
1989 ioerr = zio_wait(zio_read(NULL, spa, bp, data, size,
1990 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, flags, zb));
1994 if (ioerr && !(flags & ZIO_FLAG_SPECULATIVE)) {
1995 zcb->zcb_haderrors = 1;
1996 zcb->zcb_errors[ioerr]++;
1998 if (dump_opt['b'] >= 2)
1999 sprintf_blkptr(blkbuf, bp);
2003 (void) printf("zdb_blkptr_cb: "
2004 "Got error %d reading "
2005 "<%llu, %llu, %lld, %llx> %s -- skipping\n",
2007 (u_longlong_t)zb->zb_objset,
2008 (u_longlong_t)zb->zb_object,
2009 (u_longlong_t)zb->zb_level,
2010 (u_longlong_t)zb->zb_blkid,
2015 zcb->zcb_readfails = 0;
2017 if (dump_opt['b'] >= 4) {
2018 sprintf_blkptr(blkbuf, bp);
2019 (void) printf("objset %llu object %llu "
2020 "level %lld offset 0x%llx %s\n",
2021 (u_longlong_t)zb->zb_objset,
2022 (u_longlong_t)zb->zb_object,
2023 (longlong_t)zb->zb_level,
2024 (u_longlong_t)blkid2offset(dnp, bp, zb),
2032 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size)
2034 vdev_t *vd = sm->sm_ppd;
2036 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n",
2037 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size);
2042 zdb_space_map_load(space_map_t *sm)
2047 zdb_space_map_unload(space_map_t *sm)
2049 space_map_vacate(sm, zdb_leak, sm);
2054 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size)
2058 static space_map_ops_t zdb_space_map_ops = {
2060 zdb_space_map_unload,
2062 zdb_space_map_claim,
2068 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
2070 ddt_bookmark_t ddb = { 0 };
2075 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
2077 ddt_phys_t *ddp = dde.dde_phys;
2079 if (ddb.ddb_class == DDT_CLASS_UNIQUE)
2082 ASSERT(ddt_phys_total_refcnt(&dde) > 1);
2084 for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
2085 if (ddp->ddp_phys_birth == 0)
2087 ddt_bp_create(ddb.ddb_checksum,
2088 &dde.dde_key, ddp, &blk);
2089 if (p == DDT_PHYS_DITTO) {
2090 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO);
2092 zcb->zcb_dedup_asize +=
2093 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1);
2094 zcb->zcb_dedup_blocks++;
2097 if (!dump_opt['L']) {
2098 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum];
2100 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL);
2105 ASSERT(error == ENOENT);
2109 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
2114 if (!dump_opt['L']) {
2115 vdev_t *rvd = spa->spa_root_vdev;
2116 for (c = 0; c < rvd->vdev_children; c++) {
2117 vdev_t *vd = rvd->vdev_child[c];
2118 for (m = 0; m < vd->vdev_ms_count; m++) {
2119 metaslab_t *msp = vd->vdev_ms[m];
2120 mutex_enter(&msp->ms_lock);
2121 space_map_unload(&msp->ms_map);
2122 VERIFY(space_map_load(&msp->ms_map,
2123 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo,
2124 spa->spa_meta_objset) == 0);
2125 msp->ms_map.sm_ppd = vd;
2126 mutex_exit(&msp->ms_lock);
2131 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2133 zdb_ddt_leak_init(spa, zcb);
2135 spa_config_exit(spa, SCL_CONFIG, FTAG);
2139 zdb_leak_fini(spa_t *spa)
2143 if (!dump_opt['L']) {
2144 vdev_t *rvd = spa->spa_root_vdev;
2145 for (c = 0; c < rvd->vdev_children; c++) {
2146 vdev_t *vd = rvd->vdev_child[c];
2147 for (m = 0; m < vd->vdev_ms_count; m++) {
2148 metaslab_t *msp = vd->vdev_ms[m];
2149 mutex_enter(&msp->ms_lock);
2150 space_map_unload(&msp->ms_map);
2151 mutex_exit(&msp->ms_lock);
2159 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
2161 zdb_cb_t *zcb = arg;
2163 if (dump_opt['b'] >= 4) {
2164 char blkbuf[BP_SPRINTF_LEN];
2165 sprintf_blkptr(blkbuf, bp);
2166 (void) printf("[%s] %s\n",
2167 "deferred free", blkbuf);
2169 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED);
2174 dump_block_stats(spa_t *spa)
2177 zdb_blkstats_t *zb, *tzb;
2178 uint64_t norm_alloc, norm_space, total_alloc, total_found;
2179 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
2183 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
2184 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
2185 (dump_opt['c'] == 1) ? "metadata " : "",
2186 dump_opt['c'] ? "checksums " : "",
2187 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "",
2188 !dump_opt['L'] ? "nothing leaked " : "");
2191 * Load all space maps as SM_ALLOC maps, then traverse the pool
2192 * claiming each block we discover. If the pool is perfectly
2193 * consistent, the space maps will be empty when we're done.
2194 * Anything left over is a leak; any block we can't claim (because
2195 * it's not part of any space map) is a double allocation,
2196 * reference to a freed block, or an unclaimed log block.
2198 bzero(&zcb, sizeof(zdb_cb_t));
2199 zdb_leak_init(spa, &zcb);
2202 * If there's a deferred-free bplist, process that first.
2204 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj,
2205 count_block_cb, &zcb, NULL);
2206 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj,
2207 count_block_cb, &zcb, NULL);
2209 if (dump_opt['c'] > 1)
2210 flags |= TRAVERSE_PREFETCH_DATA;
2212 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb);
2214 if (zcb.zcb_haderrors) {
2215 (void) printf("\nError counts:\n\n");
2216 (void) printf("\t%5s %s\n", "errno", "count");
2217 for (e = 0; e < 256; e++) {
2218 if (zcb.zcb_errors[e] != 0) {
2219 (void) printf("\t%5d %llu\n",
2220 e, (u_longlong_t)zcb.zcb_errors[e]);
2226 * Report any leaked segments.
2230 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL];
2232 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa));
2233 norm_space = metaslab_class_get_space(spa_normal_class(spa));
2235 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa));
2236 total_found = tzb->zb_asize - zcb.zcb_dedup_asize;
2238 if (total_found == total_alloc) {
2240 (void) printf("\n\tNo leaks (block sum matches space"
2241 " maps exactly)\n");
2243 (void) printf("block traversal size %llu != alloc %llu "
2245 (u_longlong_t)total_found,
2246 (u_longlong_t)total_alloc,
2247 (dump_opt['L']) ? "unreachable" : "leaked",
2248 (longlong_t)(total_alloc - total_found));
2252 if (tzb->zb_count == 0)
2255 (void) printf("\n");
2256 (void) printf("\tbp count: %10llu\n",
2257 (u_longlong_t)tzb->zb_count);
2258 (void) printf("\tbp logical: %10llu avg: %6llu\n",
2259 (u_longlong_t)tzb->zb_lsize,
2260 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count));
2261 (void) printf("\tbp physical: %10llu avg:"
2262 " %6llu compression: %6.2f\n",
2263 (u_longlong_t)tzb->zb_psize,
2264 (u_longlong_t)(tzb->zb_psize / tzb->zb_count),
2265 (double)tzb->zb_lsize / tzb->zb_psize);
2266 (void) printf("\tbp allocated: %10llu avg:"
2267 " %6llu compression: %6.2f\n",
2268 (u_longlong_t)tzb->zb_asize,
2269 (u_longlong_t)(tzb->zb_asize / tzb->zb_count),
2270 (double)tzb->zb_lsize / tzb->zb_asize);
2271 (void) printf("\tbp deduped: %10llu ref>1:"
2272 " %6llu deduplication: %6.2f\n",
2273 (u_longlong_t)zcb.zcb_dedup_asize,
2274 (u_longlong_t)zcb.zcb_dedup_blocks,
2275 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0);
2276 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n",
2277 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space);
2279 if (dump_opt['b'] >= 2) {
2281 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE"
2282 "\t avg\t comp\t%%Total\tType\n");
2284 for (t = 0; t <= ZDB_OT_TOTAL; t++) {
2285 char csize[32], lsize[32], psize[32], asize[32];
2289 if (t < DMU_OT_NUMTYPES)
2290 typename = dmu_ot[t].ot_name;
2292 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES];
2294 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) {
2295 (void) printf("%6s\t%5s\t%5s\t%5s"
2296 "\t%5s\t%5s\t%6s\t%s\n",
2308 for (l = ZB_TOTAL - 1; l >= -1; l--) {
2309 level = (l == -1 ? ZB_TOTAL : l);
2310 zb = &zcb.zcb_type[level][t];
2312 if (zb->zb_asize == 0)
2315 if (dump_opt['b'] < 3 && level != ZB_TOTAL)
2318 if (level == 0 && zb->zb_asize ==
2319 zcb.zcb_type[ZB_TOTAL][t].zb_asize)
2322 zdb_nicenum(zb->zb_count, csize);
2323 zdb_nicenum(zb->zb_lsize, lsize);
2324 zdb_nicenum(zb->zb_psize, psize);
2325 zdb_nicenum(zb->zb_asize, asize);
2326 zdb_nicenum(zb->zb_asize / zb->zb_count, avg);
2328 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s"
2330 csize, lsize, psize, asize, avg,
2331 (double)zb->zb_lsize / zb->zb_psize,
2332 100.0 * zb->zb_asize / tzb->zb_asize);
2334 if (level == ZB_TOTAL)
2335 (void) printf("%s\n", typename);
2337 (void) printf(" L%d %s\n",
2343 (void) printf("\n");
2348 if (zcb.zcb_haderrors)
2354 typedef struct zdb_ddt_entry {
2356 uint64_t zdde_ref_blocks;
2357 uint64_t zdde_ref_lsize;
2358 uint64_t zdde_ref_psize;
2359 uint64_t zdde_ref_dsize;
2360 avl_node_t zdde_node;
2365 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
2366 arc_buf_t *pbuf, const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
2368 avl_tree_t *t = arg;
2370 zdb_ddt_entry_t *zdde, zdde_search;
2375 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) {
2376 (void) printf("traversing objset %llu, %llu objects, "
2377 "%lu blocks so far\n",
2378 (u_longlong_t)zb->zb_objset,
2379 (u_longlong_t)bp->blk_fill,
2383 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF ||
2384 BP_GET_LEVEL(bp) > 0 || dmu_ot[BP_GET_TYPE(bp)].ot_metadata)
2387 ddt_key_fill(&zdde_search.zdde_key, bp);
2389 zdde = avl_find(t, &zdde_search, &where);
2392 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL);
2393 zdde->zdde_key = zdde_search.zdde_key;
2394 avl_insert(t, zdde, where);
2397 zdde->zdde_ref_blocks += 1;
2398 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp);
2399 zdde->zdde_ref_psize += BP_GET_PSIZE(bp);
2400 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp);
2406 dump_simulated_ddt(spa_t *spa)
2409 void *cookie = NULL;
2410 zdb_ddt_entry_t *zdde;
2411 ddt_histogram_t ddh_total;
2412 ddt_stat_t dds_total;
2414 bzero(&ddh_total, sizeof (ddt_histogram_t));
2415 bzero(&dds_total, sizeof (ddt_stat_t));
2417 avl_create(&t, ddt_entry_compare,
2418 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node));
2420 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
2422 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA,
2423 zdb_ddt_add_cb, &t);
2425 spa_config_exit(spa, SCL_CONFIG, FTAG);
2427 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) {
2429 uint64_t refcnt = zdde->zdde_ref_blocks;
2430 ASSERT(refcnt != 0);
2432 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt;
2433 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt;
2434 dds.dds_psize = zdde->zdde_ref_psize / refcnt;
2435 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt;
2437 dds.dds_ref_blocks = zdde->zdde_ref_blocks;
2438 dds.dds_ref_lsize = zdde->zdde_ref_lsize;
2439 dds.dds_ref_psize = zdde->zdde_ref_psize;
2440 dds.dds_ref_dsize = zdde->zdde_ref_dsize;
2442 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0);
2444 umem_free(zdde, sizeof (*zdde));
2449 ddt_histogram_stat(&dds_total, &ddh_total);
2451 (void) printf("Simulated DDT histogram:\n");
2453 zpool_dump_ddt(&dds_total, &ddh_total);
2455 dump_dedup_ratio(&dds_total);
2459 dump_zpool(spa_t *spa)
2461 dsl_pool_t *dp = spa_get_dsl(spa);
2464 if (dump_opt['S']) {
2465 dump_simulated_ddt(spa);
2469 if (!dump_opt['e'] && dump_opt['C'] > 1) {
2470 (void) printf("\nCached configuration:\n");
2471 dump_nvlist(spa->spa_config, 8);
2478 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n");
2483 if (dump_opt['d'] > 2 || dump_opt['m'])
2484 dump_metaslabs(spa);
2486 if (dump_opt['d'] || dump_opt['i']) {
2487 dump_dir(dp->dp_meta_objset);
2488 if (dump_opt['d'] >= 3) {
2489 dump_bpobj(&spa->spa_deferred_bpobj, "Deferred frees");
2490 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) {
2491 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj,
2494 dump_dtl(spa->spa_root_vdev, 0);
2496 (void) dmu_objset_find(spa_name(spa), dump_one_dir,
2497 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
2499 if (dump_opt['b'] || dump_opt['c'])
2500 rc = dump_block_stats(spa);
2503 show_pool_stats(spa);
2512 #define ZDB_FLAG_CHECKSUM 0x0001
2513 #define ZDB_FLAG_DECOMPRESS 0x0002
2514 #define ZDB_FLAG_BSWAP 0x0004
2515 #define ZDB_FLAG_GBH 0x0008
2516 #define ZDB_FLAG_INDIRECT 0x0010
2517 #define ZDB_FLAG_PHYS 0x0020
2518 #define ZDB_FLAG_RAW 0x0040
2519 #define ZDB_FLAG_PRINT_BLKPTR 0x0080
2524 zdb_print_blkptr(blkptr_t *bp, int flags)
2526 char blkbuf[BP_SPRINTF_LEN];
2528 if (flags & ZDB_FLAG_BSWAP)
2529 byteswap_uint64_array((void *)bp, sizeof (blkptr_t));
2531 sprintf_blkptr(blkbuf, bp);
2532 (void) printf("%s\n", blkbuf);
2536 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags)
2540 for (i = 0; i < nbps; i++)
2541 zdb_print_blkptr(&bp[i], flags);
2545 zdb_dump_gbh(void *buf, int flags)
2547 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags);
2551 zdb_dump_block_raw(void *buf, uint64_t size, int flags)
2553 if (flags & ZDB_FLAG_BSWAP)
2554 byteswap_uint64_array(buf, size);
2555 VERIFY(write(fileno(stdout), buf, size) == size);
2559 zdb_dump_block(char *label, void *buf, uint64_t size, int flags)
2561 uint64_t *d = (uint64_t *)buf;
2562 int nwords = size / sizeof (uint64_t);
2563 int do_bswap = !!(flags & ZDB_FLAG_BSWAP);
2569 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8";
2571 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f";
2573 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr);
2575 for (i = 0; i < nwords; i += 2) {
2576 (void) printf("%06llx: %016llx %016llx ",
2577 (u_longlong_t)(i * sizeof (uint64_t)),
2578 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]),
2579 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1]));
2582 for (j = 0; j < 2 * sizeof (uint64_t); j++)
2583 (void) printf("%c", isprint(c[j]) ? c[j] : '.');
2584 (void) printf("\n");
2589 * There are two acceptable formats:
2590 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a
2591 * child[.child]* - For example: 0.1.1
2593 * The second form can be used to specify arbitrary vdevs anywhere
2594 * in the heirarchy. For example, in a pool with a mirror of
2595 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 .
2598 zdb_vdev_lookup(vdev_t *vdev, char *path)
2606 /* First, assume the x.x.x.x format */
2607 i = (int)strtoul(path, &s, 10);
2608 if (s == path || (s && *s != '.' && *s != '\0'))
2610 if (i < 0 || i >= vdev->vdev_children)
2613 vdev = vdev->vdev_child[i];
2616 return (zdb_vdev_lookup(vdev, s+1));
2619 for (i = 0; i < vdev->vdev_children; i++) {
2620 vdev_t *vc = vdev->vdev_child[i];
2622 if (vc->vdev_path == NULL) {
2623 vc = zdb_vdev_lookup(vc, path);
2630 p = strrchr(vc->vdev_path, '/');
2631 p = p ? p + 1 : vc->vdev_path;
2632 q = &vc->vdev_path[strlen(vc->vdev_path) - 2];
2634 if (strcmp(vc->vdev_path, path) == 0)
2636 if (strcmp(p, path) == 0)
2638 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0)
2646 * Read a block from a pool and print it out. The syntax of the
2647 * block descriptor is:
2649 * pool:vdev_specifier:offset:size[:flags]
2651 * pool - The name of the pool you wish to read from
2652 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup)
2653 * offset - offset, in hex, in bytes
2654 * size - Amount of data to read, in hex, in bytes
2655 * flags - A string of characters specifying options
2656 * b: Decode a blkptr at given offset within block
2657 * *c: Calculate and display checksums
2658 * d: Decompress data before dumping
2659 * e: Byteswap data before dumping
2660 * g: Display data as a gang block header
2661 * i: Display as an indirect block
2662 * p: Do I/O to physical offset
2663 * r: Dump raw data to stdout
2665 * * = not yet implemented
2668 zdb_read_block(char *thing, spa_t *spa)
2670 blkptr_t blk, *bp = &blk;
2671 dva_t *dva = bp->blk_dva;
2673 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0;
2676 void *pbuf, *lbuf, *buf;
2677 char *s, *p, *dup, *vdev, *flagstr;
2680 dup = strdup(thing);
2681 s = strtok(dup, ":");
2683 s = strtok(NULL, ":");
2684 offset = strtoull(s ? s : "", NULL, 16);
2685 s = strtok(NULL, ":");
2686 size = strtoull(s ? s : "", NULL, 16);
2687 s = strtok(NULL, ":");
2688 flagstr = s ? s : "";
2692 s = "size must not be zero";
2693 if (!IS_P2ALIGNED(size, DEV_BSIZE))
2694 s = "size must be a multiple of sector size";
2695 if (!IS_P2ALIGNED(offset, DEV_BSIZE))
2696 s = "offset must be a multiple of sector size";
2698 (void) printf("Invalid block specifier: %s - %s\n", thing, s);
2703 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) {
2704 for (i = 0; flagstr[i]; i++) {
2705 int bit = flagbits[(uchar_t)flagstr[i]];
2708 (void) printf("***Invalid flag: %c\n",
2714 /* If it's not something with an argument, keep going */
2715 if ((bit & (ZDB_FLAG_CHECKSUM |
2716 ZDB_FLAG_PRINT_BLKPTR)) == 0)
2719 p = &flagstr[i + 1];
2720 if (bit == ZDB_FLAG_PRINT_BLKPTR)
2721 blkptr_offset = strtoull(p, &p, 16);
2722 if (*p != ':' && *p != '\0') {
2723 (void) printf("***Invalid flag arg: '%s'\n", s);
2730 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev);
2732 (void) printf("***Invalid vdev: %s\n", vdev);
2737 (void) fprintf(stderr, "Found vdev: %s\n",
2740 (void) fprintf(stderr, "Found vdev type: %s\n",
2741 vd->vdev_ops->vdev_op_type);
2747 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2748 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2752 DVA_SET_VDEV(&dva[0], vd->vdev_id);
2753 DVA_SET_OFFSET(&dva[0], offset);
2754 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH));
2755 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize));
2757 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL);
2759 BP_SET_LSIZE(bp, lsize);
2760 BP_SET_PSIZE(bp, psize);
2761 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF);
2762 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF);
2763 BP_SET_TYPE(bp, DMU_OT_NONE);
2764 BP_SET_LEVEL(bp, 0);
2765 BP_SET_DEDUP(bp, 0);
2766 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER);
2768 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
2769 zio = zio_root(spa, NULL, NULL, 0);
2771 if (vd == vd->vdev_top) {
2773 * Treat this as a normal block read.
2775 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL,
2776 ZIO_PRIORITY_SYNC_READ,
2777 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL));
2780 * Treat this as a vdev child I/O.
2782 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize,
2783 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ,
2784 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE |
2785 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY |
2786 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL));
2789 error = zio_wait(zio);
2790 spa_config_exit(spa, SCL_STATE, FTAG);
2793 (void) printf("Read of %s failed, error: %d\n", thing, error);
2797 if (flags & ZDB_FLAG_DECOMPRESS) {
2799 * We don't know how the data was compressed, so just try
2800 * every decompress function at every inflated blocksize.
2802 enum zio_compress c;
2803 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2804 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL);
2806 bcopy(pbuf, pbuf2, psize);
2808 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize,
2809 SPA_MAXBLOCKSIZE - psize) == 0);
2811 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize,
2812 SPA_MAXBLOCKSIZE - psize) == 0);
2814 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize;
2815 lsize -= SPA_MINBLOCKSIZE) {
2816 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) {
2817 if (zio_decompress_data(c, pbuf, lbuf,
2818 psize, lsize) == 0 &&
2819 zio_decompress_data(c, pbuf2, lbuf2,
2820 psize, lsize) == 0 &&
2821 bcmp(lbuf, lbuf2, lsize) == 0)
2824 if (c != ZIO_COMPRESS_FUNCTIONS)
2826 lsize -= SPA_MINBLOCKSIZE;
2829 umem_free(pbuf2, SPA_MAXBLOCKSIZE);
2830 umem_free(lbuf2, SPA_MAXBLOCKSIZE);
2832 if (lsize <= psize) {
2833 (void) printf("Decompress of %s failed\n", thing);
2843 if (flags & ZDB_FLAG_PRINT_BLKPTR)
2844 zdb_print_blkptr((blkptr_t *)(void *)
2845 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags);
2846 else if (flags & ZDB_FLAG_RAW)
2847 zdb_dump_block_raw(buf, size, flags);
2848 else if (flags & ZDB_FLAG_INDIRECT)
2849 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t),
2851 else if (flags & ZDB_FLAG_GBH)
2852 zdb_dump_gbh(buf, flags);
2854 zdb_dump_block(thing, buf, size, flags);
2857 umem_free(pbuf, SPA_MAXBLOCKSIZE);
2858 umem_free(lbuf, SPA_MAXBLOCKSIZE);
2863 pool_match(nvlist_t *cfg, char *tgt)
2865 uint64_t v, guid = strtoull(tgt, NULL, 0);
2869 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0)
2872 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0)
2873 return (strcmp(s, tgt) == 0);
2879 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv)
2882 nvlist_t *match = NULL;
2887 importargs_t args = { 0 };
2891 args.can_be_active = B_TRUE;
2893 if ((sepp = strpbrk(*target, "/@")) != NULL) {
2898 pools = zpool_search_import(g_zfs, &args);
2900 if (pools != NULL) {
2901 nvpair_t *elem = NULL;
2902 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
2903 verify(nvpair_value_nvlist(elem, configp) == 0);
2904 if (pool_match(*configp, *target)) {
2906 if (match != NULL) {
2907 /* print previously found config */
2909 (void) printf("%s\n", name);
2910 dump_nvlist(match, 8);
2913 (void) printf("%s\n",
2915 dump_nvlist(*configp, 8);
2918 name = nvpair_name(elem);
2924 (void) fatal("\tMatched %d pools - use pool GUID "
2925 "instead of pool name or \n"
2926 "\tpool name part of a dataset name to select pool", count);
2931 * If pool GUID was specified for pool id, replace it with pool name
2933 if (name && (strstr(*target, name) != *target)) {
2934 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0);
2936 *target = umem_alloc(sz, UMEM_NOFAIL);
2937 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : "");
2940 *configp = name ? match : NULL;
2946 main(int argc, char **argv)
2949 struct rlimit rl = { 1024, 1024 };
2951 objset_t *os = NULL;
2955 char **searchdirs = NULL;
2958 nvlist_t *policy = NULL;
2959 uint64_t max_txg = UINT64_MAX;
2960 int rewind = ZPOOL_NEVER_REWIND;
2962 (void) setrlimit(RLIMIT_NOFILE, &rl);
2963 (void) enable_extended_FILE_stdio(-1, -1);
2965 dprintf_setup(&argc, argv);
2967 while ((c = getopt(argc, argv, "bcdhilmsuCDRSAFLXevp:t:U:P")) != -1) {
2997 if (searchdirs == NULL) {
2998 searchdirs = umem_alloc(sizeof (char *),
3001 char **tmp = umem_alloc((nsearch + 1) *
3002 sizeof (char *), UMEM_NOFAIL);
3003 bcopy(searchdirs, tmp, nsearch *
3005 umem_free(searchdirs,
3006 nsearch * sizeof (char *));
3009 searchdirs[nsearch++] = optarg;
3012 max_txg = strtoull(optarg, NULL, 0);
3013 if (max_txg < TXG_INITIAL) {
3014 (void) fprintf(stderr, "incorrect txg "
3015 "specified: %s\n", optarg);
3020 spa_config_path = optarg;
3028 if (!dump_opt['e'] && searchdirs != NULL) {
3029 (void) fprintf(stderr, "-p option requires use of -e\n");
3034 if ((g_zfs = libzfs_init()) == NULL)
3038 verbose = MAX(verbose, 1);
3040 for (c = 0; c < 256; c++) {
3041 if (dump_all && !strchr("elAFLRSXP", c))
3044 dump_opt[c] += verbose;
3047 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2);
3048 zfs_recover = (dump_opt['A'] > 1);
3053 if (argc < 2 && dump_opt['R'])
3056 if (!dump_opt['e'] && dump_opt['C']) {
3057 dump_cachefile(spa_config_path);
3063 if (dump_opt['l']) {
3064 dump_label(argv[0]);
3068 if (dump_opt['X'] || dump_opt['F'])
3069 rewind = ZPOOL_DO_REWIND |
3070 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0);
3072 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 ||
3073 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 ||
3074 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0)
3075 fatal("internal error: %s", strerror(ENOMEM));
3080 if (dump_opt['e']) {
3081 nvlist_t *cfg = NULL;
3082 char *name = find_zpool(&target, &cfg, nsearch, searchdirs);
3086 if (dump_opt['C'] > 1) {
3087 (void) printf("\nConfiguration for import:\n");
3088 dump_nvlist(cfg, 8);
3090 if (nvlist_add_nvlist(cfg,
3091 ZPOOL_REWIND_POLICY, policy) != 0) {
3092 fatal("can't open '%s': %s",
3093 target, strerror(ENOMEM));
3095 if ((error = spa_import(name, cfg, NULL,
3096 ZFS_IMPORT_MISSING_LOG)) != 0) {
3097 error = spa_import(name, cfg, NULL,
3098 ZFS_IMPORT_VERBATIM);
3104 if (strpbrk(target, "/@") == NULL || dump_opt['R']) {
3105 error = spa_open_rewind(target, &spa, FTAG, policy,
3109 * If we're missing the log device then
3110 * try opening the pool after clearing the
3113 mutex_enter(&spa_namespace_lock);
3114 if ((spa = spa_lookup(target)) != NULL &&
3115 spa->spa_log_state == SPA_LOG_MISSING) {
3116 spa->spa_log_state = SPA_LOG_CLEAR;
3119 mutex_exit(&spa_namespace_lock);
3122 error = spa_open_rewind(target, &spa,
3123 FTAG, policy, NULL);
3127 error = dmu_objset_own(target, DMU_OST_ANY,
3131 nvlist_free(policy);
3134 fatal("can't open '%s': %s", target, strerror(error));
3138 if (!dump_opt['R']) {
3140 zopt_objects = argc;
3141 zopt_object = calloc(zopt_objects, sizeof (uint64_t));
3142 for (i = 0; i < zopt_objects; i++) {
3144 zopt_object[i] = strtoull(argv[i], NULL, 0);
3145 if (zopt_object[i] == 0 && errno != 0)
3146 fatal("bad number %s: %s",
3147 argv[i], strerror(errno));
3150 (os != NULL) ? dump_dir(os) : dump_zpool(spa);
3152 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR;
3153 flagbits['c'] = ZDB_FLAG_CHECKSUM;
3154 flagbits['d'] = ZDB_FLAG_DECOMPRESS;
3155 flagbits['e'] = ZDB_FLAG_BSWAP;
3156 flagbits['g'] = ZDB_FLAG_GBH;
3157 flagbits['i'] = ZDB_FLAG_INDIRECT;
3158 flagbits['p'] = ZDB_FLAG_PHYS;
3159 flagbits['r'] = ZDB_FLAG_RAW;
3161 for (i = 0; i < argc; i++)
3162 zdb_read_block(argv[i], spa);
3165 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG);
3167 fuid_table_destroy();
3168 sa_loaded = B_FALSE;