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OpenZFS 6736 - ZFS per-vdev ZAPs

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6736 ZFS per-vdev ZAPs
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: John Kennedy <john.kennedy@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Don Brady <don.brady@intel.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>

References:
  https://www.illumos.org/issues/6736
  https://github.com/openzfs/openzfs/commit/215198a

Ported-by: Don Brady <don.brady@intel.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4515
This commit is contained in:
Joe Stein 2016-04-11 16:16:57 -04:00 committed by Brian Behlendorf
parent 4cd77889b6
commit e0ab3ab553
24 changed files with 980 additions and 75 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
configure.ac
View File

@ -266,6 +266,7 @@ AC_CONFIG_FILES([
tests/zfs-tests/tests/functional/threadsappend/Makefile
tests/zfs-tests/tests/functional/truncate/Makefile
tests/zfs-tests/tests/functional/userquota/Makefile
tests/zfs-tests/tests/functional/vdev_zaps/Makefile
tests/zfs-tests/tests/functional/write_dirs/Makefile
tests/zfs-tests/tests/functional/xattr/Makefile
tests/zfs-tests/tests/functional/zvol/Makefile

1
include/sys/dmu.h
View File

@ -315,6 +315,7 @@ typedef struct dmu_buf {
#define DMU_POOL_FREE_BPOBJ "free_bpobj"
#define DMU_POOL_BPTREE_OBJ "bptree_obj"
#define DMU_POOL_EMPTY_BPOBJ "empty_bpobj"
#define DMU_POOL_VDEV_ZAP_MAP "com.delphix:vdev_zap_map"
/*
* Allocate an object from this objset. The range of object numbers

3
include/sys/fs/zfs.h
View File

@ -566,6 +566,9 @@ typedef struct zpool_rewind_policy {
#define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read"
#define ZPOOL_CONFIG_FEATURE_STATS "feature_stats" /* not stored on disk */
#define ZPOOL_CONFIG_ERRATA "errata" /* not stored on disk */
#define ZPOOL_CONFIG_VDEV_TOP_ZAP "com.delphix:vdev_zap_top"
#define ZPOOL_CONFIG_VDEV_LEAF_ZAP "com.delphix:vdev_zap_leaf"
#define ZPOOL_CONFIG_HAS_PER_VDEV_ZAPS "com.delphix:has_per_vdev_zaps"
/*
* The persistent vdev state is stored as separate values rather than a single
* 'vdev_state' entry. This is because a device can be in multiple states, such

8
include/sys/spa_impl.h
View File

@ -116,6 +116,12 @@ typedef struct spa_taskqs {
taskq_t **stqs_taskq;
} spa_taskqs_t;
typedef enum spa_all_vdev_zap_action {
AVZ_ACTION_NONE = 0,
AVZ_ACTION_DESTROY, /* Destroy all per-vdev ZAPs and the AVZ. */
AVZ_ACTION_REBUILD /* Populate the new AVZ, see spa_avz_rebuild */
} spa_avz_action_t;
struct spa {
/*
* Fields protected by spa_namespace_lock.
@ -251,6 +257,8 @@ struct spa {
uint64_t spa_deadman_calls; /* number of deadman calls */
hrtime_t spa_sync_starttime; /* starting time of spa_sync */
uint64_t spa_deadman_synctime; /* deadman expiration timer */
uint64_t spa_all_vdev_zaps; /* ZAP of per-vd ZAP obj #s */
spa_avz_action_t spa_avz_action; /* destroy/rebuild AVZ? */
uint64_t spa_errata; /* errata issues detected */
spa_stats_t spa_stats; /* assorted spa statistics */
hrtime_t spa_ccw_fail_time; /* Conf cache write fail time */

7
include/sys/vdev.h
View File

@ -70,6 +70,10 @@ extern void vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg,
extern boolean_t vdev_dtl_required(vdev_t *vd);
extern boolean_t vdev_resilver_needed(vdev_t *vd,
uint64_t *minp, uint64_t *maxp);
extern void vdev_destroy_unlink_zap(vdev_t *vd, uint64_t zapobj,
dmu_tx_t *tx);
extern uint64_t vdev_create_link_zap(vdev_t *vd, dmu_tx_t *tx);
extern void vdev_construct_zaps(vdev_t *vd, dmu_tx_t *tx);
extern void vdev_hold(vdev_t *);
extern void vdev_rele(vdev_t *);
@ -133,7 +137,8 @@ extern void vdev_state_clean(vdev_t *vd);
typedef enum vdev_config_flag {
VDEV_CONFIG_SPARE = 1 << 0,
VDEV_CONFIG_L2CACHE = 1 << 1,
VDEV_CONFIG_REMOVING = 1 << 2
VDEV_CONFIG_REMOVING = 1 << 2,
VDEV_CONFIG_MOS = 1 << 3
} vdev_config_flag_t;
extern void vdev_top_config_generate(spa_t *spa, nvlist_t *config);

2
include/sys/vdev_impl.h
View File

@ -177,6 +177,7 @@ struct vdev {
uint64_t vdev_islog; /* is an intent log device */
uint64_t vdev_removing; /* device is being removed? */
boolean_t vdev_ishole; /* is a hole in the namespace */
uint64_t vdev_top_zap;
/*
* Leaf vdev state.
@ -215,6 +216,7 @@ struct vdev {
spa_aux_vdev_t *vdev_aux; /* for l2cache and spares vdevs */
zio_t *vdev_probe_zio; /* root of current probe */
vdev_aux_t vdev_label_aux; /* on-disk aux state */
uint64_t vdev_leaf_zap;
/*
* For DTrace to work in userland (libzpool) context, these fields must

234
module/zfs/spa.c
View File

@ -1674,6 +1674,21 @@ spa_check_removed(vdev_t *vd)
}
}
static void
spa_config_valid_zaps(vdev_t *vd, vdev_t *mvd)
{
uint64_t i;
ASSERT3U(vd->vdev_children, ==, mvd->vdev_children);
vd->vdev_top_zap = mvd->vdev_top_zap;
vd->vdev_leaf_zap = mvd->vdev_leaf_zap;
for (i = 0; i < vd->vdev_children; i++) {
spa_config_valid_zaps(vd->vdev_child[i], mvd->vdev_child[i]);
}
}
/*
* Validate the current config against the MOS config
*/
@ -1778,16 +1793,25 @@ spa_config_valid(spa_t *spa, nvlist_t *config)
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER);
vdev_reopen(rvd);
} else if (mtvd->vdev_islog) {
} else {
if (mtvd->vdev_islog) {
/*
* Load the slog device's state from the MOS
* config since it's possible that the label
* does not contain the most up-to-date
* information.
*/
vdev_load_log_state(tvd, mtvd);
vdev_reopen(tvd);
}
/*
* Load the slog device's state from the MOS config
* since it's possible that the label does not
* contain the most up-to-date information.
* Per-vdev ZAP info is stored exclusively in the MOS.
*/
vdev_load_log_state(tvd, mtvd);
vdev_reopen(tvd);
spa_config_valid_zaps(tvd, mtvd);
}
}
vdev_free(mrvd);
spa_config_exit(spa, SCL_ALL, FTAG);
@ -2214,6 +2238,36 @@ spa_load(spa_t *spa, spa_load_state_t state, spa_import_type_t type,
return (error);
}
/*
* Count the number of per-vdev ZAPs associated with all of the vdevs in the
* vdev tree rooted in the given vd, and ensure that each ZAP is present in the
* spa's per-vdev ZAP list.
*/
static uint64_t
vdev_count_verify_zaps(vdev_t *vd)
{
spa_t *spa = vd->vdev_spa;
uint64_t total = 0;
uint64_t i;
if (vd->vdev_top_zap != 0) {
total++;
ASSERT0(zap_lookup_int(spa->spa_meta_objset,
spa->spa_all_vdev_zaps, vd->vdev_top_zap));
}
if (vd->vdev_leaf_zap != 0) {
total++;
ASSERT0(zap_lookup_int(spa->spa_meta_objset,
spa->spa_all_vdev_zaps, vd->vdev_leaf_zap));
}
for (i = 0; i < vd->vdev_children; i++) {
total += vdev_count_verify_zaps(vd->vdev_child[i]);
}
return (total);
}
/*
* Load an existing storage pool, using the pool's builtin spa_config as a
* source of configuration information.
@ -2234,6 +2288,7 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
int parse, i;
uint64_t obj;
boolean_t missing_feat_write = B_FALSE;
nvlist_t *mos_config;
/*
* If this is an untrusted config, access the pool in read-only mode.
@ -2632,6 +2687,38 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
if (error != 0 && error != ENOENT)
return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO));
/*
* Load the per-vdev ZAP map. If we have an older pool, this will not
* be present; in this case, defer its creation to a later time to
* avoid dirtying the MOS this early / out of sync context. See
* spa_sync_config_object.
*/
/* The sentinel is only available in the MOS config. */
if (load_nvlist(spa, spa->spa_config_object, &mos_config) != 0)
return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO));
error = spa_dir_prop(spa, DMU_POOL_VDEV_ZAP_MAP,
&spa->spa_all_vdev_zaps);
if (error != ENOENT && error != 0) {
return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO));
} else if (error == 0 && !nvlist_exists(mos_config,
ZPOOL_CONFIG_HAS_PER_VDEV_ZAPS)) {
/*
* An older version of ZFS overwrote the sentinel value, so
* we have orphaned per-vdev ZAPs in the MOS. Defer their
* destruction to later; see spa_sync_config_object.
*/
spa->spa_avz_action = AVZ_ACTION_DESTROY;
/*
* We're assuming that no vdevs have had their ZAPs created
* before this. Better be sure of it.
*/
ASSERT0(vdev_count_verify_zaps(spa->spa_root_vdev));
}
nvlist_free(mos_config);
/*
* If we're assembling the pool from the split-off vdevs of
* an existing pool, we don't want to attach the spares & cache
@ -5170,6 +5257,16 @@ spa_vdev_split_mirror(spa_t *spa, char *newname, nvlist_t *config,
vml[c]->vdev_top->vdev_asize) == 0);
VERIFY(nvlist_add_uint64(child[c], ZPOOL_CONFIG_ASHIFT,
vml[c]->vdev_top->vdev_ashift) == 0);
/* transfer per-vdev ZAPs */
ASSERT3U(vml[c]->vdev_leaf_zap, !=, 0);
VERIFY0(nvlist_add_uint64(child[c],
ZPOOL_CONFIG_VDEV_LEAF_ZAP, vml[c]->vdev_leaf_zap));
ASSERT3U(vml[c]->vdev_top->vdev_top_zap, !=, 0);
VERIFY0(nvlist_add_uint64(child[c],
ZPOOL_CONFIG_VDEV_TOP_ZAP,
vml[c]->vdev_parent->vdev_top_zap));
}
if (error != 0) {
@ -5211,11 +5308,13 @@ spa_vdev_split_mirror(spa_t *spa, char *newname, nvlist_t *config,
spa->spa_config_txg) == 0);
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_GUID,
spa_generate_guid(NULL)) == 0);
VERIFY0(nvlist_add_boolean(config, ZPOOL_CONFIG_HAS_PER_VDEV_ZAPS));
(void) nvlist_lookup_string(props,
zpool_prop_to_name(ZPOOL_PROP_ALTROOT), &altroot);
/* add the new pool to the namespace */
newspa = spa_add(newname, config, altroot);
newspa->spa_avz_action = AVZ_ACTION_REBUILD;
newspa->spa_config_txg = spa->spa_config_txg;
spa_set_log_state(newspa, SPA_LOG_CLEAR);
@ -5273,9 +5372,11 @@ spa_vdev_split_mirror(spa_t *spa, char *newname, nvlist_t *config,
if (error == 0)
spa_history_log_internal(spa, "detach", tx,
"vdev=%s", vml[c]->vdev_path);
vdev_free(vml[c]);
}
}
spa->spa_avz_action = AVZ_ACTION_REBUILD;
vdev_config_dirty(spa->spa_root_vdev);
spa->spa_config_splitting = NULL;
nvlist_free(nvl);
@ -6109,16 +6210,120 @@ spa_sync_aux_dev(spa_t *spa, spa_aux_vdev_t *sav, dmu_tx_t *tx,
sav->sav_sync = B_FALSE;
}
/*
* Rebuild spa's all-vdev ZAP from the vdev ZAPs indicated in each vdev_t.
* The all-vdev ZAP must be empty.
*/
static void
spa_avz_build(vdev_t *vd, uint64_t avz, dmu_tx_t *tx)
{
spa_t *spa = vd->vdev_spa;
uint64_t i;
if (vd->vdev_top_zap != 0) {
VERIFY0(zap_add_int(spa->spa_meta_objset, avz,
vd->vdev_top_zap, tx));
}
if (vd->vdev_leaf_zap != 0) {
VERIFY0(zap_add_int(spa->spa_meta_objset, avz,
vd->vdev_leaf_zap, tx));
}
for (i = 0; i < vd->vdev_children; i++) {
spa_avz_build(vd->vdev_child[i], avz, tx);
}
}
static void
spa_sync_config_object(spa_t *spa, dmu_tx_t *tx)
{
nvlist_t *config;
if (list_is_empty(&spa->spa_config_dirty_list))
/*
* If the pool is being imported from a pre-per-vdev-ZAP version of ZFS,
* its config may not be dirty but we still need to build per-vdev ZAPs.
* Similarly, if the pool is being assembled (e.g. after a split), we
* need to rebuild the AVZ although the config may not be dirty.
*/
if (list_is_empty(&spa->spa_config_dirty_list) &&
spa->spa_avz_action == AVZ_ACTION_NONE)
return;
spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
ASSERT(spa->spa_avz_action == AVZ_ACTION_NONE ||
spa->spa_all_vdev_zaps != 0);
if (spa->spa_avz_action == AVZ_ACTION_REBUILD) {
zap_cursor_t zc;
zap_attribute_t za;
/* Make and build the new AVZ */
uint64_t new_avz = zap_create(spa->spa_meta_objset,
DMU_OTN_ZAP_METADATA, DMU_OT_NONE, 0, tx);
spa_avz_build(spa->spa_root_vdev, new_avz, tx);
/* Diff old AVZ with new one */
for (zap_cursor_init(&zc, spa->spa_meta_objset,
spa->spa_all_vdev_zaps);
zap_cursor_retrieve(&zc, &za) == 0;
zap_cursor_advance(&zc)) {
uint64_t vdzap = za.za_first_integer;
if (zap_lookup_int(spa->spa_meta_objset, new_avz,
vdzap) == ENOENT) {
/*
* ZAP is listed in old AVZ but not in new one;
* destroy it
*/
VERIFY0(zap_destroy(spa->spa_meta_objset, vdzap,
tx));
}
}
zap_cursor_fini(&zc);
/* Destroy the old AVZ */
VERIFY0(zap_destroy(spa->spa_meta_objset,
spa->spa_all_vdev_zaps, tx));
/* Replace the old AVZ in the dir obj with the new one */
VERIFY0(zap_update(spa->spa_meta_objset,
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_VDEV_ZAP_MAP,
sizeof (new_avz), 1, &new_avz, tx));
spa->spa_all_vdev_zaps = new_avz;
} else if (spa->spa_avz_action == AVZ_ACTION_DESTROY) {
zap_cursor_t zc;
zap_attribute_t za;
/* Walk through the AVZ and destroy all listed ZAPs */
for (zap_cursor_init(&zc, spa->spa_meta_objset,
spa->spa_all_vdev_zaps);
zap_cursor_retrieve(&zc, &za) == 0;
zap_cursor_advance(&zc)) {
uint64_t zap = za.za_first_integer;
VERIFY0(zap_destroy(spa->spa_meta_objset, zap, tx));
}
zap_cursor_fini(&zc);
/* Destroy and unlink the AVZ itself */
VERIFY0(zap_destroy(spa->spa_meta_objset,
spa->spa_all_vdev_zaps, tx));
VERIFY0(zap_remove(spa->spa_meta_objset,
DMU_POOL_DIRECTORY_OBJECT, DMU_POOL_VDEV_ZAP_MAP, tx));
spa->spa_all_vdev_zaps = 0;
}
if (spa->spa_all_vdev_zaps == 0) {
spa->spa_all_vdev_zaps = zap_create_link(spa->spa_meta_objset,
DMU_OTN_ZAP_METADATA, DMU_POOL_DIRECTORY_OBJECT,
DMU_POOL_VDEV_ZAP_MAP, tx);
}
spa->spa_avz_action = AVZ_ACTION_NONE;
/* Create ZAPs for vdevs that don't have them. */
vdev_construct_zaps(spa->spa_root_vdev, tx);
config = spa_config_generate(spa, spa->spa_root_vdev,
dmu_tx_get_txg(tx), B_FALSE);
@ -6509,6 +6714,21 @@ spa_sync(spa_t *spa, uint64_t txg)
} while (dmu_objset_is_dirty(mos, txg));
if (!list_is_empty(&spa->spa_config_dirty_list)) {
/*
* Make sure that the number of ZAPs for all the vdevs matches
* the number of ZAPs in the per-vdev ZAP list. This only gets
* called if the config is dirty; otherwise there may be
* outstanding AVZ operations that weren't completed in
* spa_sync_config_object.
*/
uint64_t all_vdev_zap_entry_count;
ASSERT0(zap_count(spa->spa_meta_objset,
spa->spa_all_vdev_zaps, &all_vdev_zap_entry_count));
ASSERT3U(vdev_count_verify_zaps(spa->spa_root_vdev), ==,
all_vdev_zap_entry_count);
}
/*
* Rewrite the vdev configuration (which includes the uberblock)
* to commit the transaction group.

116
module/zfs/spa_config.c
View File

@ -22,7 +22,7 @@
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright (c) 2011, 2015 by Delphix. All rights reserved.
*/
#include <sys/spa.h>
@ -129,7 +129,7 @@ spa_config_load(void)
if (nvpair_type(nvpair) != DATA_TYPE_NVLIST)
continue;
VERIFY(nvpair_value_nvlist(nvpair, &child) == 0);
child = fnvpair_value_nvlist(nvpair);
if (spa_lookup(nvpair_name(nvpair)) != NULL)
continue;
@ -167,14 +167,9 @@ spa_config_write(spa_config_dirent_t *dp, nvlist_t *nvl)
/*
* Pack the configuration into a buffer.
*/
VERIFY(nvlist_size(nvl, &buflen, NV_ENCODE_XDR) == 0);
buf = vmem_alloc(buflen, KM_SLEEP);
buf = fnvlist_pack(nvl, &buflen);
temp = kmem_zalloc(MAXPATHLEN, KM_SLEEP);
VERIFY(nvlist_pack(nvl, &buf, &buflen, NV_ENCODE_XDR,
KM_SLEEP) == 0);
#if defined(__linux__) && defined(_KERNEL)
/*
* Write the configuration to disk. Due to the complexity involved
@ -216,7 +211,7 @@ spa_config_write(spa_config_dirent_t *dp, nvlist_t *nvl)
(void) vn_remove(temp, UIO_SYSSPACE, RMFILE);
#endif
vmem_free(buf, buflen);
fnvlist_pack_free(buf, buflen);
kmem_free(temp, MAXPATHLEN);
return (err);
}
@ -282,17 +277,15 @@ spa_config_sync(spa_t *target, boolean_t removing, boolean_t postsysevent)
}
if (nvl == NULL)
VERIFY(nvlist_alloc(&nvl, NV_UNIQUE_NAME,
KM_SLEEP) == 0);
nvl = fnvlist_alloc();
if (spa->spa_import_flags & ZFS_IMPORT_TEMP_NAME) {
VERIFY0(nvlist_lookup_string(spa->spa_config,
ZPOOL_CONFIG_POOL_NAME, &pool_name));
} else
if (spa->spa_import_flags & ZFS_IMPORT_TEMP_NAME)
pool_name = fnvlist_lookup_string(
spa->spa_config, ZPOOL_CONFIG_POOL_NAME);
else
pool_name = spa_name(spa);
VERIFY(nvlist_add_nvlist(nvl, pool_name,
spa->spa_config) == 0);
fnvlist_add_nvlist(nvl, pool_name, spa->spa_config);
mutex_exit(&spa->spa_props_lock);
}
@ -354,15 +347,15 @@ spa_all_configs(uint64_t *generation)
if (*generation == spa_config_generation)
return (NULL);
VERIFY(nvlist_alloc(&pools, NV_UNIQUE_NAME, KM_SLEEP) == 0);
pools = fnvlist_alloc();
mutex_enter(&spa_namespace_lock);
while ((spa = spa_next(spa)) != NULL) {
if (INGLOBALZONE(curproc) ||
zone_dataset_visible(spa_name(spa), NULL)) {
mutex_enter(&spa->spa_props_lock);
VERIFY(nvlist_add_nvlist(pools, spa_name(spa),
spa->spa_config) == 0);
fnvlist_add_nvlist(pools, spa_name(spa),
spa->spa_config);
mutex_exit(&spa->spa_props_lock);
}
}
@ -396,6 +389,7 @@ spa_config_generate(spa_t *spa, vdev_t *vd, uint64_t txg, int getstats)
boolean_t locked = B_FALSE;
uint64_t split_guid;
char *pool_name;
int config_gen_flags = 0;
if (vd == NULL) {
vd = rvd;
@ -428,23 +422,17 @@ spa_config_generate(spa_t *spa, vdev_t *vd, uint64_t txg, int getstats)
} else
pool_name = spa_name(spa);
VERIFY(nvlist_alloc(&config, NV_UNIQUE_NAME, KM_SLEEP) == 0);
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_VERSION,
spa_version(spa)) == 0);
VERIFY(nvlist_add_string(config, ZPOOL_CONFIG_POOL_NAME,
pool_name) == 0);
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_STATE,
spa_state(spa)) == 0);
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_TXG,
txg) == 0);
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_POOL_GUID,
spa_guid(spa)) == 0);
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_ERRATA,
spa->spa_errata) == 0);
VERIFY(spa->spa_comment == NULL || nvlist_add_string(config,
ZPOOL_CONFIG_COMMENT, spa->spa_comment) == 0);
config = fnvlist_alloc();
fnvlist_add_uint64(config, ZPOOL_CONFIG_VERSION, spa_version(spa));
fnvlist_add_string(config, ZPOOL_CONFIG_POOL_NAME, spa_name(spa));
fnvlist_add_uint64(config, ZPOOL_CONFIG_POOL_STATE, spa_state(spa));
fnvlist_add_uint64(config, ZPOOL_CONFIG_POOL_TXG, txg);
fnvlist_add_uint64(config, ZPOOL_CONFIG_POOL_GUID, spa_guid(spa));
fnvlist_add_uint64(config, ZPOOL_CONFIG_ERRATA, spa->spa_errata);
if (spa->spa_comment != NULL)
fnvlist_add_string(config, ZPOOL_CONFIG_COMMENT,
spa->spa_comment);
#ifdef _KERNEL
hostid = zone_get_hostid(NULL);
@ -455,24 +443,21 @@ spa_config_generate(spa_t *spa, vdev_t *vd, uint64_t txg, int getstats)
*/
(void) ddi_strtoul(hw_serial, NULL, 10, &hostid);
#endif /* _KERNEL */
if (hostid != 0) {
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_HOSTID,
hostid) == 0);
}
VERIFY0(nvlist_add_string(config, ZPOOL_CONFIG_HOSTNAME,
utsname()->nodename));
if (hostid != 0)
fnvlist_add_uint64(config, ZPOOL_CONFIG_HOSTID, hostid);
fnvlist_add_string(config, ZPOOL_CONFIG_HOSTNAME, utsname()->nodename);
if (vd != rvd) {
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_TOP_GUID,
vd->vdev_top->vdev_guid) == 0);
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_GUID,
vd->vdev_guid) == 0);
fnvlist_add_uint64(config, ZPOOL_CONFIG_TOP_GUID,
vd->vdev_top->vdev_guid);
fnvlist_add_uint64(config, ZPOOL_CONFIG_GUID,
vd->vdev_guid);
if (vd->vdev_isspare)
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_IS_SPARE,
1ULL) == 0);
fnvlist_add_uint64(config,
ZPOOL_CONFIG_IS_SPARE, 1ULL);
if (vd->vdev_islog)
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_IS_LOG,
1ULL) == 0);
fnvlist_add_uint64(config,
ZPOOL_CONFIG_IS_LOG, 1ULL);
vd = vd->vdev_top; /* label contains top config */
} else {
/*
@ -480,8 +465,12 @@ spa_config_generate(spa_t *spa, vdev_t *vd, uint64_t txg, int getstats)
* in the mos config, and not in the vdev labels
*/
if (spa->spa_config_splitting != NULL)
VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_SPLIT,
spa->spa_config_splitting) == 0);
fnvlist_add_nvlist(config, ZPOOL_CONFIG_SPLIT,
spa->spa_config_splitting);
fnvlist_add_boolean(config, ZPOOL_CONFIG_HAS_PER_VDEV_ZAPS);
config_gen_flags |= VDEV_CONFIG_MOS;
}
/*
@ -496,19 +485,18 @@ spa_config_generate(spa_t *spa, vdev_t *vd, uint64_t txg, int getstats)
if (spa->spa_config_splitting != NULL &&
nvlist_lookup_uint64(spa->spa_config_splitting,
ZPOOL_CONFIG_SPLIT_GUID, &split_guid) == 0) {
VERIFY(nvlist_add_uint64(config, ZPOOL_CONFIG_SPLIT_GUID,
split_guid) == 0);
fnvlist_add_uint64(config, ZPOOL_CONFIG_SPLIT_GUID, split_guid);
}
nvroot = vdev_config_generate(spa, vd, getstats, 0);
VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, nvroot) == 0);
nvroot = vdev_config_generate(spa, vd, getstats, config_gen_flags);
fnvlist_add_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, nvroot);
nvlist_free(nvroot);
/*
* Store what's necessary for reading the MOS in the label.
*/
VERIFY(nvlist_add_nvlist(config, ZPOOL_CONFIG_FEATURES_FOR_READ,
spa->spa_label_features) == 0);
fnvlist_add_nvlist(config, ZPOOL_CONFIG_FEATURES_FOR_READ,
spa->spa_label_features);
if (getstats && spa_load_state(spa) == SPA_LOAD_NONE) {
ddt_histogram_t *ddh;
@ -517,23 +505,23 @@ spa_config_generate(spa_t *spa, vdev_t *vd, uint64_t txg, int getstats)
ddh = kmem_zalloc(sizeof (ddt_histogram_t), KM_SLEEP);
ddt_get_dedup_histogram(spa, ddh);
VERIFY(nvlist_add_uint64_array(config,
fnvlist_add_uint64_array(config,
ZPOOL_CONFIG_DDT_HISTOGRAM,
(uint64_t *)ddh, sizeof (*ddh) / sizeof (uint64_t)) == 0);
(uint64_t *)ddh, sizeof (*ddh) / sizeof (uint64_t));
kmem_free(ddh, sizeof (ddt_histogram_t));
ddo = kmem_zalloc(sizeof (ddt_object_t), KM_SLEEP);
ddt_get_dedup_object_stats(spa, ddo);
VERIFY(nvlist_add_uint64_array(config,
fnvlist_add_uint64_array(config,
ZPOOL_CONFIG_DDT_OBJ_STATS,
(uint64_t *)ddo, sizeof (*ddo) / sizeof (uint64_t)) == 0);
(uint64_t *)ddo, sizeof (*ddo) / sizeof (uint64_t));
kmem_free(ddo, sizeof (ddt_object_t));
dds = kmem_zalloc(sizeof (ddt_stat_t), KM_SLEEP);
ddt_get_dedup_stats(spa, dds);
VERIFY(nvlist_add_uint64_array(config,
fnvlist_add_uint64_array(config,
ZPOOL_CONFIG_DDT_STATS,
(uint64_t *)dds, sizeof (*dds) / sizeof (uint64_t)) == 0);
(uint64_t *)dds, sizeof (*dds) / sizeof (uint64_t));
kmem_free(dds, sizeof (ddt_stat_t));
}

79
module/zfs/vdev.c
View File

@ -519,6 +519,10 @@ vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, uint_t id,
&vd->vdev_asize);
(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_REMOVING,
&vd->vdev_removing);
(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_VDEV_TOP_ZAP,
&vd->vdev_top_zap);
} else {
ASSERT0(vd->vdev_top_zap);
}
if (parent && !parent->vdev_parent && alloctype != VDEV_ALLOC_ATTACH) {
@ -530,9 +534,18 @@ vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, uint_t id,
spa_log_class(spa) : spa_normal_class(spa), vd);
}
if (vd->vdev_ops->vdev_op_leaf &&
(alloctype == VDEV_ALLOC_LOAD || alloctype == VDEV_ALLOC_SPLIT)) {
(void) nvlist_lookup_uint64(nv,
ZPOOL_CONFIG_VDEV_LEAF_ZAP, &vd->vdev_leaf_zap);
} else {
ASSERT0(vd->vdev_leaf_zap);
}
/*
* If we're a leaf vdev, try to load the DTL object and other state.
*/
if (vd->vdev_ops->vdev_op_leaf &&
(alloctype == VDEV_ALLOC_LOAD || alloctype == VDEV_ALLOC_L2CACHE ||
alloctype == VDEV_ALLOC_ROOTPOOL)) {
@ -694,10 +707,12 @@ vdev_top_transfer(vdev_t *svd, vdev_t *tvd)
tvd->vdev_ms_array = svd->vdev_ms_array;
tvd->vdev_ms_shift = svd->vdev_ms_shift;
tvd->vdev_ms_count = svd->vdev_ms_count;
tvd->vdev_top_zap = svd->vdev_top_zap;
svd->vdev_ms_array = 0;
svd->vdev_ms_shift = 0;
svd->vdev_ms_count = 0;
svd->vdev_top_zap = 0;
if (tvd->vdev_mg)
ASSERT3P(tvd->vdev_mg, ==, svd->vdev_mg);
@ -1976,6 +1991,51 @@ vdev_dtl_load(vdev_t *vd)
return (error);
}
void
vdev_destroy_unlink_zap(vdev_t *vd, uint64_t zapobj, dmu_tx_t *tx)
{
spa_t *spa = vd->vdev_spa;
VERIFY0(zap_destroy(spa->spa_meta_objset, zapobj, tx));
VERIFY0(zap_remove_int(spa->spa_meta_objset, spa->spa_all_vdev_zaps,
zapobj, tx));
}
uint64_t
vdev_create_link_zap(vdev_t *vd, dmu_tx_t *tx)
{
spa_t *spa = vd->vdev_spa;
uint64_t zap = zap_create(spa->spa_meta_objset, DMU_OTN_ZAP_METADATA,
DMU_OT_NONE, 0, tx);
ASSERT(zap != 0);
VERIFY0(zap_add_int(spa->spa_meta_objset, spa->spa_all_vdev_zaps,
zap, tx));
return (zap);
}
void
vdev_construct_zaps(vdev_t *vd, dmu_tx_t *tx)
{
uint64_t i;
if (vd->vdev_ops != &vdev_hole_ops &&
vd->vdev_ops != &vdev_missing_ops &&
vd->vdev_ops != &vdev_root_ops &&
!vd->vdev_top->vdev_removing) {
if (vd->vdev_ops->vdev_op_leaf && vd->vdev_leaf_zap == 0) {
vd->vdev_leaf_zap = vdev_create_link_zap(vd, tx);
}
if (vd == vd->vdev_top && vd->vdev_top_zap == 0) {
vd->vdev_top_zap = vdev_create_link_zap(vd, tx);
}
}
for (i = 0; i < vd->vdev_children; i++) {
vdev_construct_zaps(vd->vdev_child[i], tx);
}
}
void
vdev_dtl_sync(vdev_t *vd, uint64_t txg)
{
@ -1998,6 +2058,18 @@ vdev_dtl_sync(vdev_t *vd, uint64_t txg)
space_map_close(vd->vdev_dtl_sm);
vd->vdev_dtl_sm = NULL;
mutex_exit(&vd->vdev_dtl_lock);
/*
* We only destroy the leaf ZAP for detached leaves or for
* removed log devices. Removed data devices handle leaf ZAP
* cleanup later, once cancellation is no longer possible.
*/
if (vd->vdev_leaf_zap != 0 && (vd->vdev_detached ||
vd->vdev_top->vdev_islog)) {
vdev_destroy_unlink_zap(vd, vd->vdev_leaf_zap, tx);
vd->vdev_leaf_zap = 0;
}
dmu_tx_commit(tx);
return;
}
@ -2204,6 +2276,8 @@ vdev_remove(vdev_t *vd, uint64_t txg)
int m, i;
tx = dmu_tx_create_assigned(spa_get_dsl(spa), txg);
ASSERT(vd == vd->vdev_top);
ASSERT3U(txg, ==, spa_syncing_txg(spa));
if (vd->vdev_ms != NULL) {
metaslab_group_t *mg = vd->vdev_mg;
@ -2245,6 +2319,11 @@ vdev_remove(vdev_t *vd, uint64_t txg)
(void) dmu_object_free(mos, vd->vdev_ms_array, tx);
vd->vdev_ms_array = 0;
}
if (vd->vdev_islog && vd->vdev_top_zap != 0) {
vdev_destroy_unlink_zap(vd, vd->vdev_top_zap, tx);
vd->vdev_top_zap = 0;
}
dmu_tx_commit(tx);
}

14
module/zfs/vdev_label.c
View File

@ -291,6 +291,20 @@ vdev_config_generate(spa_t *spa, vdev_t *vd, boolean_t getstats,
if (vd->vdev_crtxg)
fnvlist_add_uint64(nv, ZPOOL_CONFIG_CREATE_TXG, vd->vdev_crtxg);
if (flags & VDEV_CONFIG_MOS) {
if (vd->vdev_leaf_zap != 0) {
ASSERT(vd->vdev_ops->vdev_op_leaf);
fnvlist_add_uint64(nv, ZPOOL_CONFIG_VDEV_LEAF_ZAP,
vd->vdev_leaf_zap);
}
if (vd->vdev_top_zap != 0) {
ASSERT(vd == vd->vdev_top);
fnvlist_add_uint64(nv, ZPOOL_CONFIG_VDEV_TOP_ZAP,
vd->vdev_top_zap);
}
}
if (getstats) {
vdev_stat_t vs;
pool_scan_stat_t ps;

6
module/zfs/zap.c
View File

@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2014 by Delphix. All rights reserved.
* Copyright (c) 2012, 2015 by Delphix. All rights reserved.
* Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
*/
@ -965,8 +965,8 @@ zap_create_link(objset_t *os, dmu_object_type_t ot, uint64_t parent_obj,
uint64_t new_obj;
VERIFY((new_obj = zap_create(os, ot, DMU_OT_NONE, 0, tx)) > 0);
VERIFY(zap_add(os, parent_obj, name, sizeof (uint64_t), 1, &new_obj,
tx) == 0);
VERIFY0(zap_add(os, parent_obj, name, sizeof (uint64_t), 1, &new_obj,
tx));
return (new_obj);
}

7
tests/runfiles/linux.run
View File

@ -614,6 +614,13 @@ tests = [
'userquota_008_pos', 'userquota_009_pos',
'userquota_011_pos', 'userquota_012_neg']
# DISABLED:
# vdev_zaps_007_pos -- fails due to a pre-existing issue with zpool split
#
[tests/functional/vdev_zaps]
tests = ['vdev_zaps_001_pos', 'vdev_zaps_002_pos', 'vdev_zaps_003_pos',
'vdev_zaps_004_pos', 'vdev_zaps_005_pos', 'vdev_zaps_006_pos']
# DISABLED:
# write_dirs_002_pos - needs investigation
[tests/functional/write_dirs]

1
tests/zfs-tests/tests/functional/Makefile.am
View File

@ -50,6 +50,7 @@ SUBDIRS = \
threadsappend \
truncate \
userquota \
vdev_zaps \
write_dirs \
xattr \
zvol

12
tests/zfs-tests/tests/functional/vdev_zaps/Makefile.am Normal file
View File

@ -0,0 +1,12 @@
pkgdatadir = $(datadir)/@PACKAGE@/zfs-tests/tests/functional/vdev_zaps
dist_pkgdata_SCRIPTS = \
setup.ksh \
cleanup.ksh \
vdev_zaps_001_pos.ksh \
vdev_zaps_002_pos.ksh \
vdev_zaps_003_pos.ksh \
vdev_zaps_004_pos.ksh \
vdev_zaps_005_pos.ksh \
vdev_zaps_006_pos.ksh \
vdev_zaps_007_pos.ksh \
vdev_zaps.kshlib

20
tests/zfs-tests/tests/functional/vdev_zaps/cleanup.ksh Executable file
View File

@ -0,0 +1,20 @@
#!/bin/ksh -p
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2015 by Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
default_cleanup

21
tests/zfs-tests/tests/functional/vdev_zaps/setup.ksh Executable file
View File

@ -0,0 +1,21 @@
#!/bin/ksh -p
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2015 by Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
rm -rf $TESTDIR || log_fail Could not remove $TESTDIR
mkdir -p $TESTDIR || log_fail Could not create $TESTDIR

114
tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps.kshlib Normal file
View File

@ -0,0 +1,114 @@
#
# CDDL HEADER START
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
# CDDL HEADER END
#
#
# Copyright (c) 2015 by Delphix. All rights reserved.
#
function get_conf_section # regex conf
{
typeset dsk_line next_vd_line conf section
typeset regex="$1"
typeset conf="$2"
dsk_line=$(grep -n "$regex" "$conf" | awk -F: '{print $1}')
if [[ -z "$dsk_line" ]]; then
return
fi
next_vd_line=$(tail -n +$dsk_line "$conf" | \
grep -n "children\[" | awk -F: '{print $1}' | head -n 1)
if [[ -n "$next_vd_line" ]]; then
section=$(cat "$conf" | sed "1,${dsk_line}d" | head -n \
$(($next_vd_line - 2)))
else
section=$(tail -n +$dsk_line "$conf")
fi
echo "$section"
}
function get_leaf_vd_zap # dsk conf
{
typeset section=$(get_conf_section "$1" "$2")
echo "$section" | egrep \
"com.delphix:vdev_zap_leaf: [0-9]+" | awk '{print $2}'
}
function get_top_vd_zap # dsk conf
{
typeset section=$(get_conf_section "$1" "$2")
echo "$section" | egrep \
"com.delphix:vdev_zap_top: [0-9]+" | awk '{print $2}'
}
function assert_has_sentinel # conf
{
res=$(grep "com.delphix:has_per_vdev_zaps" "$1")
[[ -z "$res" ]] && log_fail "Pool missing ZAP feature sentinel value"
}
function assert_zap_common # pool vd lvl zapobj
{
typeset pool=$1
typeset vd="$2"
typeset lvl=$3
typeset zapobj=$4
if [[ -z "$zapobj" ]]; then
log_fail "$vd on $pool has no $lvl ZAP in config"
elif [[ -z "$(zdb -d $pool $zapobj | grep 'zap')" ]]; then
log_fail "$vd on $pool has no $lvl ZAP in MOS"
fi
}
function assert_top_zap # pool vd conf
{
typeset pool=$1
typeset vd="$2"
typeset conf=$3
top_zap=$(get_top_vd_zap "$vd" $conf)
assert_zap_common $pool "$vd" "top" $top_zap
}
function assert_leaf_zap # pool vd conf
{
typeset pool=$1
typeset vd="$2"
typeset conf=$3
leaf_zap=$(get_leaf_vd_zap "$vd" $conf)
assert_zap_common $pool "$vd" "leaf" $leaf_zap
}
#
# Code common to setup/teardown for each test.
#
function cleanup
{
if datasetexists $TESTPOOL ; then
log_must zpool destroy -f $TESTPOOL
fi
if [[ -e $conf ]]; then
log_must $RM -f "$conf"
fi
if [[ -e $POOL2 ]]; then
log_must zpool destroy -f $POOL2
fi
}
log_onexit cleanup

42
tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_001_pos.ksh Executable file
View File

@ -0,0 +1,42 @@
#!/bin/ksh
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2015 by Delphix. All rights reserved.
#
#
# Description:
# Verify that per-vdev ZAPs are created with one vdev.
#
# Strategy:
# 1. Create a pool with one disk.
# 2. Verify that the disk has a top and leaf ZAP in its config and the MOS.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/vdev_zaps/vdev_zaps.kshlib
log_assert "Per-vdev ZAPs are created on pool creation with one disk."
DISK=${DISKS%% *}
log_must zpool create -f $TESTPOOL $DISK
conf="$TESTDIR/vz001"
log_must zdb -PC $TESTPOOL > $conf
assert_top_zap $TESTPOOL $DISK "$conf"
assert_leaf_zap $TESTPOOL $DISK "$conf"
assert_has_sentinel "$conf"
log_pass "Per-vdev ZAPs are created in a one-disk pool."

44
tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_002_pos.ksh Executable file
View File

@ -0,0 +1,44 @@
#!/bin/ksh
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2015 by Delphix. All rights reserved.
#
#
# Description:
# Verify that per-vdev ZAPs are created with multiple vdevs.
#
# Strategy:
# 1. Create a pool with multiple disks.
# 2. Verify that each has both a top and leaf zap.
# 3. Verify that each of those ZAPs exists in the MOS.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/vdev_zaps/vdev_zaps.kshlib
log_assert "Per-vdev ZAPs are created on pool creation with many disks."
log_must zpool create -f $TESTPOOL $DISKS
conf="$TESTDIR/vz002"
log_must zdb -PC $TESTPOOL > $conf
assert_has_sentinel "$conf"
for DISK in $DISKS; do
assert_top_zap $TESTPOOL $DISK "$conf"
assert_leaf_zap $TESTPOOL $DISK "$conf"
done
log_pass

47
tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_003_pos.ksh Executable file
View File

@ -0,0 +1,47 @@
#!/bin/ksh
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2015 by Delphix. All rights reserved.
#
#
# Description:
# Verify that per-vdev ZAPs are created with multi-level vdev tree.
#
# Strategy:
# 1. Create a pool with a multi-disk mirror.
# 2. Verify that mirror has top ZAP but no leaf ZAP.
# 3. Verify that each disk has a leaf ZAP but no top ZAP.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/vdev_zaps/vdev_zaps.kshlib
log_assert "Per-vdev ZAPs are created on pool creation with multi-level vdev "\
"trees."
log_must zpool create -f $TESTPOOL mirror $DISKS
conf="$TESTDIR/vz003"
log_must zdb -PC $TESTPOOL > $conf
assert_has_sentinel "$conf"
assert_top_zap $TESTPOOL "type: 'mirror'" "$conf"
for DISK in $DISKS; do
assert_leaf_zap $TESTPOOL $DISK "$conf"
top_zap=$(get_top_vd_zap $DISK "$conf")
[[ -n "$top_zap" ]] && log_fail "Leaf vdev $DISK has top-level ZAP."
done
log_pass

94
tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_004_pos.ksh Executable file
View File

@ -0,0 +1,94 @@
#!/bin/ksh
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2015 by Delphix. All rights reserved.
#
#
# Description:
# Verify that per-vdev ZAPs are properly transferred on attach/detach.
#
# Strategy:
# 1. Create a pool with one disk. Verify that it has a top and leaf ZAP.
# 2. Attach a disk.
# 3. Verify that top-level and leaf-level ZAPs were transferred properly.
# 4. Verify that the newly-attached disk has a leaf ZAP.
# 5. Detach the original disk.
# 6. Verify that top-level and leaf-level ZAPs were transferred properly.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/vdev_zaps/vdev_zaps.kshlib
log_assert "Per-vdev ZAPs are transferred properly on attach/detach"
DISK=${DISKS%% *}
log_must zpool create -f $TESTPOOL $DISK
# Make the pool.
conf="$TESTDIR/vz004"
log_must zdb -PC $TESTPOOL > $conf
assert_has_sentinel "$conf"
orig_top=$(get_top_vd_zap $DISK $conf)
orig_leaf=$(get_leaf_vd_zap $DISK $conf)
assert_zap_common $TESTPOOL $DISK "top" $orig_top
#
# Attach a disk.
#
disk2=$(echo $DISKS | awk '{print $2}')
log_must zpool attach $TESTPOOL $DISK $disk2
log_must zdb -PC $TESTPOOL > $conf
# Ensure top-level ZAP was transferred successfully.
new_top=$(get_top_vd_zap "type: 'mirror'" $conf)
if [[ "$new_top" -ne "$orig_top" ]]; then
log_fail "Top-level ZAP wasn't transferred successfully on attach."
fi
# Ensure leaf ZAP of original disk was transferred successfully.
new_leaf=$(get_leaf_vd_zap $DISK $conf)
if [[ "$new_leaf" -ne "$orig_leaf" ]]; then
log_fail "$DISK used to have leaf-level ZAP $orig_leaf, now has "\
"$new_leaf"
fi
# Ensure original disk no longer has top-level ZAP.
dsk1_top=$(get_top_vd_zap $DISK $conf)
[[ -n "$dsk1_top" ]] && log_fail "$DISK has top-level ZAP, but is only leaf."
# Ensure attached disk got a leaf-level ZAP but not a top-level ZAP.
dsk2_top=$(get_top_vd_zap $disk2 $conf)
dsk2_leaf=$(get_leaf_vd_zap $disk2 $conf)
[[ -n "$dsk2_top" ]] && log_fail "Attached disk $disk2 has top ZAP."
[[ -z "$dsk2_leaf" ]] && log_fail "Attached disk $disk2 has no leaf ZAP."
#
# Detach original disk.
#
log_must zpool detach $TESTPOOL $DISK
log_must zdb -PC $TESTPOOL > $conf
final_top=$(get_top_vd_zap $disk2 $conf)
final_leaf=$(get_leaf_vd_zap $disk2 $conf)
# Make sure top ZAP was successfully transferred.
[[ "$final_top" -ne "$orig_top" ]] && log_fail "Lost top-level ZAP when "\
"promoting $disk2 (expected $orig_top, found $final_top)"
# Make sure leaf ZAP was successfully transferred.
[[ "$final_leaf" -ne "$dsk2_leaf" ]] && log_fail "$disk2 lost its leaf ZAP "\
"on promotion (expected $dsk2_leaf, got $final_leaf)"
log_pass

62
tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_005_pos.ksh Executable file
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#!/bin/ksh
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2015 by Delphix. All rights reserved.
#
#
# Description:
# Verify that per-vdev ZAPs persist when the pool is exported and imported.
#
# Strategy:
# 1. Create a pool with a disk.
# 2. Export the pool and re-import it.
# 3. Verify that the ZAPs aren't different.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/vdev_zaps/vdev_zaps.kshlib
log_assert "Per-vdev ZAPs persist across export/import."
DISK=${DISKS%% *}
log_must zpool create -f $TESTPOOL $DISK
# Make the pool.
conf="$TESTDIR/vz005"
log_must zdb -PC $TESTPOOL > $conf
assert_has_sentinel "$conf"
orig_top=$(get_top_vd_zap $DISK $conf)
orig_leaf=$(get_leaf_vd_zap $DISK $conf)
assert_zap_common $TESTPOOL $DISK "top" $orig_top
assert_zap_common $TESTPOOL $DISK "leaf" $orig_leaf
# Export the pool.
log_must zpool export $TESTPOOL
# Import the pool.
log_must zpool import $TESTPOOL
# Verify that ZAPs persisted.
log_must zdb -PC $TESTPOOL > $conf
new_top=$(get_top_vd_zap $DISK $conf)
new_leaf=$(get_leaf_vd_zap $DISK $conf)
[[ "$new_top" -ne "$orig_top" ]] && log_fail "Top ZAP ($new_top) after "\
"import does not match top ZAP before export ($orig_top)"
[[ "$new_leaf" -ne "$orig_leaf" ]] && log_fail "Leaf ZAP ($new_leaf) after "\
"import does not match leaf ZAP before export ($orig_leaf)"
log_pass

46
tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_006_pos.ksh Executable file
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#!/bin/ksh
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2015, 2016 by Delphix. All rights reserved.
#
#
# Description:
# Verify that top-level per-vdev ZAPs are created for added devices
#
# Strategy:
# 1. Create a pool with one disk.
# 2. Add a disk.
# 3. Verify its ZAPs were created.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/vdev_zaps/vdev_zaps.kshlib
DISK_ARR=($DISKS)
DISK=${DISK_ARR[0]}
log_must zpool create -f $TESTPOOL $DISK
log_assert "Per-vdev ZAPs are created for added vdevs."
log_must zpool add -f $TESTPOOL ${DISK_ARR[1]}
conf="$TESTDIR/vz006"
log_must zdb -PC $TESTPOOL > $conf
assert_has_sentinel "$conf"
orig_top=$(get_top_vd_zap ${DISK_ARR[1]} $conf)
assert_zap_common $TESTPOOL ${DISK_ARR[1]} "top" $orig_top
assert_leaf_zap $TESTPOOL ${DISK_ARR[1]} "$conf"
log_pass

74
tests/zfs-tests/tests/functional/vdev_zaps/vdev_zaps_007_pos.ksh Executable file
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#!/bin/ksh
#
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
#
#
# Copyright (c) 2015 by Delphix. All rights reserved.
#
#
# Description:
# Verify that ZAPs are handled properly during mirror pool splitting.
#
# Strategy:
# 1. Create a pool with a two-way mirror.
# 2. Split the pool.
# 3. Verify that the ZAPs in the old pool persisted.
# 4. Import the new pool.
# 5. Verify that the ZAPs in the new pool persisted.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/vdev_zaps/vdev_zaps.kshlib
DISK_ARR=($DISKS)
POOL2=${TESTPOOL}2
log_must zpool create -f $TESTPOOL mirror ${DISK_ARR[0]} ${DISK_ARR[1]}
log_assert "Per-vdev ZAPs persist correctly on the original pool after split."
conf="$TESTDIR/vz007"
log_must zdb -PC $TESTPOOL > $conf
assert_has_sentinel "$conf"
orig_top=$(get_top_vd_zap "type: 'mirror'" $conf)
orig_leaf0=$(get_leaf_vd_zap ${DISK_ARR[0]} $conf)
orig_leaf1=$(get_leaf_vd_zap ${DISK_ARR[1]} $conf)
assert_zap_common $TESTPOOL "type: 'mirror'" "top" $orig_top
assert_zap_common $TESTPOOL ${DISK_ARR[0]} "leaf" $orig_leaf0
assert_zap_common $TESTPOOL ${DISK_ARR[1]} "leaf" $orig_leaf1
log_must zpool split $TESTPOOL $POOL2 ${DISK_ARR[1]}
# Make sure old pool's ZAPs are consistent.
log_must zdb -PC $TESTPOOL > $conf
new_leaf0=$(get_leaf_vd_zap ${DISK_ARR[0]} $conf)
new_top_s0=$(get_top_vd_zap ${DISK_ARR[0]} $conf)
[[ "$new_leaf0" -ne "$orig_leaf0" ]] && log_fail "Leaf ZAP in original pool "\
"didn't persist (expected $orig_leaf0, got $new_leaf0)"
[[ "$new_top_s0" -ne "$orig_top" ]] && log_fail "Top ZAP in original pool "\
"didn't persist (expected $orig_top, got $new_top_s0)"
log_assert "Per-vdev ZAPs persist on the new pool after import."
# Import the split pool.
log_must zpool import $POOL2
log_must zdb -PC $TESTPOOL > $conf
new_leaf1=$(get_leaf_vd_zap ${DISK_ARR[1]} $conf)
new_top_s1=$(get_top_vd_zap ${DISK_ARR[1]} $conf)
[[ "$new_leaf1" -ne "$orig_leaf1" ]] && log_fail "Leaf ZAP in new pool "\
"didn't persist (expected $orig_leaf1, got $new_leaf1)"
[[ "$new_top_s1" -ne "$orig_top" ]] && log_fail "Top ZAP in new pool "\
"didn't persist (expected $orig_top, got $new_top_s1)"
log_pass