PSARC 2010/306 Read-only ZFS pools
6720531 ZFS should provide read-only import

6782540 zpool cannot replace a replacing device

6733267 Allow a pool to be imported with a missing slog
6950437 missing logzillas should not fault pool when they contain no ZIL data

6494473 ZFS needs a way to slow down resilvering
6743992 scrub/resilver causes systemic slowdown
6936821 scrub/resilver io should not be suspended
6956464 otoro: head panic in zfs:dnode_hold_impl; during system disk zinject testing

6675946 'zpool status' should show the progress of resilvering for individual disk.
6683750 scrub -s have to wait until resilver completed?
6841252 Resilvering not restartable - causing an excess reboot delay
6855073 spa scrub stats (eg %done) are reset on reboot
6891824 7410 NAS head "continually resilvering" following HDD replacement
6899970 scrub/resilver percent complete reporting in zpool status can be overly optimistic
6940889 add interval (count) args to zpool list
6944623 dbuf_read_done() locking performance improvement
6946760 mutex problem in bplist_enqueue()
6391915 RFE: provide interval arg to zpool status to monitor resilvering
6946512 want zfs_send() to pass back debug info
6943992 'zpool scrub' should not restart the existing scrub silently
6878281 zpool should store the time of last scrub/resilver and other zpool status info in pool properties.
6935158 Assertion failed: used <= spa_get_dspace(dd->dd_pool->dp_spa)
6944388 dsl_dataset_snapshot_reserve_space() causes dp_write_limit=max

6911420 ZFS device removal detection should work with SCSAv3

6932959 ZFS allows too many devices to be faulted

6923585 deadlock while booting OpenSolaris build 132 from mirrored rpool with removed submirror

6887372 DTLs not cleared after resilver if permanent errors present

PSARC/2009/511 zpool split
5097228 provide 'zpool split' to create new pool by breaking all mirrors
6880831 memory leak in zpool add
6891438 zfs_ioc_userspace_upgrade could reference uninitialised error variable
6891441 zvol_create_minor sets local variable zv but never references it
6891442 spa_import() sets local variable spa but never references it
6895446 vdevs left open after removing slogs or offlining device/file

6678033 resilver code should prefetch
6841580 zfs stack overflow when upgrading to userspace accounting
6859446 scrub doesn't pause correctly

6826241 Sync write IOPS drops dramatically during TXG sync
6869229 zfs should switch to shiny new metaslabs more frequently

6898790 assertion failed: alloctype == VDEV_ALLOC_LOAD||alloctype == VDEV_ALLOC_ADD

6897958 ASSERT in metaslab_class_space_update() with 8+ exabyte pool
6898598 dsl needs to be more aware of dedup space

PSARC 2009/571 ZFS Deduplication Properties
6677093 zfs should have dedup capability

PSARC 2009/479 zpool recovery support
6667683 need a way to rollback to an uberblock from a previous txg
6885998 bad ASSERT() in traverse_zil_block()

6807339 spurious checksum errors when replacing a vdev

6840704 osol_0906 PV guests sometimes hang at login prompt

6893087 removing and inserting a faulted vdev clears faulted state
6893088 new ereports need to be generated when clearing a vdev
6893090 clearing a vdev should automatically detach spare
6893099 zpool_clear_label() would be useful

6889826 ZFS retire agent should be able to repair pools
6889827 ZFS retire agent needs to do a better job of staying in sync
6889824 infrastructure for ZFS notification of external faults
6889808 ZFS DE infrastructure to handle FRUs
6889814 ZFS DE should clear cases when vdevs and pools are removed
6889828 libzfs changes to allow spare offline/online
6889830 zpool_iter() should be tolerant of recursive invocation
6891150 want versions of topo_fmri_str{cmp,hash} that ignore auth info

6846163 ZFS continues to use faulted logzilla, bringing system to a crawl
6872547 ztest LUN expansion test fails
6873635 zdb should be able to open a pool with a failed slog
6873654 system panics when a slog device is offlined
6875236 zdb should be able to dump the spa history

6574286 removing a slog doesn't work
6856566 zpool import -F can cause panic
6863456 system panic by load_nvlist(spa, spa->spa_config_object, &nv) == 0 while running zfs test suite
6882947 dump_nvlist() should live in libnvpair

6438937 if 'zfs destroy' fails, it can leave a zvol device link missing
6573142 zpool destruction/export should better handle stale zvol links
6718816 ZFS volinit fails when ZFS root pool full
6761786 zpool import with 8500 snapshots took 11hours
6604403 replace volinit/volfini with /dev fs vnode ops
6847760 zfs volinit may happen a little too soon during boot
6488792 Warnings on console whenever a volume is created.
6738837 assertion failure in sdev_open
6878496 dmu_objset_own returns EINVAL instead of EROFS in some situations

6854612 triple-parity RAID-Z
6854621 RAID-Z should mind the gap on writes

6856634 snv_117 not booting: zfs_parse_bootfs: error2

6848242 zdb -e no longer works as expected

6566744 vdev_open() should be done in parallel

PSARC 2008/353 zpool autoexpand property
6475340 when lun expands, zfs should expand too
6563887 in-place replacement allows for smaller devices
6606879 should be able to grow pool without a reboot or export/import
6844090 zfs should be able to mirror to a smaller disk

6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
6844158 assertion failed: vd->vdev_ops == &vdev_mirror_ops, file: ../../common/fs/zfs/zvol.c, line: 1054
6846024 allow grub to findroot /boot/grub/menu.lst if opening menu.lst from the boot device fails

6843014 ZFS B_FAILFAST handling is broken

6803605 should be able to offline log devices
6726045 vdev_deflate_ratio is not set when offlining a log device
6599442 zpool import has faults in the display

6794136 Panic BAD TRAP: type=e when importing degraded zraid pool.

6801810 Commit of aligned streaming rewrites to ZIL device causes unwanted disk reads

6799895 spa_add_spares() needs to be protected by config lock
6826466 want to post sysevents on hot spare activation
6826468 spa 'allowfaulted' needs some work
6826469 kernel support for storing vdev FRU information
6826470 skip posting checksum errors from DTL regions of leaf vdevs
6826471 I/O errors after device remove probe can confuse FMA
6826472 spares should enjoy some of the benefits of cache devices

6821169 offlining a device results in checksum errors
6821170 ZFS should not increment error stats for unavailable devices
6824006 need to increase issue and interrupt taskqs threads in zfs

6809691 'zpool create -f' no longer overwrites ufs infomation

6798384 It can take a village to raise a zio

6328632 zpool offline is a bit too conservative
6739487 ASSERT: txg <= spa_final_txg due to scrub/export race
6767129 ASSERT: cvd->vdev_isspare, in spa_vdev_detach()
6747698 checksum failures after offline -t / export / import / scrub
6745863 ZFS writes to disk after it has been offlined
6722540 50% slowdown on scrub/resilver with certain vdev configurations
6759999 resilver logic rewrites ditto blocks on both source and destination
6758107 I/O should never suspend during spa_load()
6776548 codereview(1) runs off the page when faced with multi-line comments
6761406 AMD errata 91 workaround doesn't work on 64-bit systems

backout 6752810: causes data corruption on zfs root pool

6764914 vdev_reopen() can lead to failed allocations

6752810 deadlock when trying to online missing boot drive

6755170 zinject -d causes panic

6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
6667208 zfs/zpool commands on failed pool should not hang
6430480 grabbing config lock as writer during I/O load can take excessively long

6734585 zpool history should log when a spare device becomes active
6736002 zinject needs to init/destroy rw inject_lock

6343667 scrub/resilver has to start over when a snapshot is taken
6343693 'zpool status' gives delayed start for 'zpool scrub'
6670746 scrub on degraded pool return the status of 'resilver completed'?
6675685 DTL entries are lost resulting in checksum errors
6706404 get_history_one() can dereference off end of hist_event_table[]
6715414 assertion failed: ds->ds_owner != tag in dsl_dataset_rele()
6716437 ztest gets SEGV in arc_released()
6722838 bfu does not update grub

6721094 Setting certain properties on root pools should not be allowed

PSARC 2008/388 Short circuit for vdev probe failure
6410382 ZFS rename should update ->v_path
6633592 vdev_root_open() faulted logic doesn't work
6674674 zfs needs to handle more than EIO
6705158 failed log device should not be treated like normal toplevel vdev
6705232 vdev_not_present erroneously cleared in vdev_validate()
6705649 libses/libscsi plugins should be included in ABI exception list
6707536 zfs_case_timeout and associated code is unused
6707637 vdev_propagate_state() shouldn't skip log devices
6708095 better FMA integration for vdev probe failure
6708192 typo in fix for 6646106 breaks pool I/O failure handling
6709112 zio_should_retry() should account for vdev_is_failing
6718542 zinject doesn't work for file I/O probe failure
6719105 ses2: incorrect parsing of page 15 (nickname)

6700920 vdev_clear() needs some polishing
6719141 misspelling in status_callback() for I/O failure case

6625086 changing cachefile doesn't remove old cache on last user
6633599 need a mechanism to import faulted pools
6646102 hot spares are not activated when opening a pool
6646106 ZFS DE is overly complicated
6646195 ZFS DE leaks pool handles
6646618 want dataset GUIDs as a property in libzfs
6662441 L2ARC FMA support
6687745 zdb -U doesn't work with anything but pool names
6687750 ::spa_vdevs should print out cache devices
6687753 cache devices should support offline/online
6687766 ZFS should post a sysevent when config changes
6688366 bad indentation for 'casesensitivity' property in 'zfs get' help
6689223 spa_create() can leave namespace lock held if property validation fails
6690884 setting zfs_no_write_throttle panics system
6691266 zpool_read_label() needs to use pread64()
6694185 nv_priv_init() doesn't bzero structure completely
6694186 ses_plugin_dlclose is backwards
6697754 ses2 plugin crash when setting invalid property

6616739 panic message ZFS: I/O failure (write on <unknown> is not very helpful
6623234 better FMA integration for 'failmode' property
6680971 blkbuf is leaked in zio_assess() on DEBUG bits for truly failed I/Os
6685865 vdev_disk_probe_io()/vdev_file_probe_io() dvd's setting is wrong

6354519 stack overflow in zfs due to zio pipeline
6533726 single-threaded checksum & parity calculations limit write bandwidth
6547248 ztest detects a future leak when there is none
6604198 zfs only using single cpu for compression (part II)

PSARC 2007/618 ZFS L2ARC
6536054 second tier ("external") ARC

6621355 panic in vdev_disk_io_start when trying to write to a faulted device
6622732 Assertion failed: !(zio->io_flags & ZIO_FLAG_WRITE_RETRY), file ../../../uts/com mon/fs/zfs/zio.c
6623221 CIFS breaks ZFS root

PSARC 2007/567 zpool failmode property
6322646 ZFS should gracefully handle all devices failing (when writing)
6413847 vdev label write failure should be handled more gracefully
6417772 need nicer message on write failure
6417779 ZFS: I/O failure (write on ...) -- need to reallocate writes
6467927 Node gets into a panic loop when devices are fenced off
6565042 ZFS should gracefully handle all devices failing (when reading)
6596239 Stop issuing IOs to a vdev that is going to be removed

PSARC 2007/342 Enhanced ZFS Pool Properties
PSARC 2007/482 zpool upgrade -V
6565437 zpool property extensions
6561384 want 'zpool upgrade -V <version>' to upgrade to specific version number
6582755 zfs.h has some incorrect version macros
6595601 libzfs headers declare functions which don't exist
6603938 libzfs is using VERIFY() again
6538984 duplicated messages when get pool properties from an unsupported pool version

6569719 panic dangling dbufs (dn=ffffffff28814d30, dbuf=ffffffff20756008)
6573361 panic turnstile_block, unowned mutex
6584864 $MOS is not properly bounded by pool size
6585265 need bonus resize interface
6587723 BAD TRAP: type=e (#pf Page fault) occurred in module "zfs" due to a NULL pointer dereference
6589799 dangling dbuf after zinject
6594025 panic: dangling dbufs during shutdown

6498144 ::kmastat could be even easier to read
6580855 spa_scrub() should be called with spa_namespace_lock held, not the config lock

PSARC/2007/328 zfs upgrade
6552536 'zpool status -v' doesn't work with new (type-bearing) directory entries
6559635 can not import pool whose front labels are gone
6572636 need "zfs upgrade" to change ZPL version number
6572637 store object type in directory entries.
6572648 ZPL's delete queue should not be processed if the filesystem is mounted read-only
6572650 ZFS_VERSION should be SPA_VERSION for readability

PSARC 2007/171 ZFS Separate Intent Log
6339640 Make ZIL use NVRAM when available.

PSARC 2007/197 ZFS hotplug
PSARC 2007/283 FMA for ZFS Phase 2
6401126 ZFS DE should verify that diagnosis is still valid before solving cases
6500545 ZFS does not handle changes in devids
6508521 zpool online should warn when it is being used incorrectly
6509807 ZFS checksum ereports are not being posted
6514712 zfs_nicenum() doesn't work with perfectly-sized buffers
6520510 media state doesn't get updated properly on device removal
6520513 ZFS should have better support for device removal
6520514 vdev state should be controlled through a single ioctl()
6520519 ZFS should diagnose faulty devices
6520947 ZFS DE should close cases which no longer apply
6521393 ZFS case timeout should be FMD_TYPE_TIME
6521624 fmd_hash_walk() can dump core when given a bad address
6521946 ZFS DE needlessly subscribes to faults
6522085 ZFS dictionary files contain spelling errors
6523185 vdev_reopen() doesn't correctly propagate state
6523555 'zpool online' should be less chatty unless something goes wrong
6527379 zpool(1M) should not try to open faulted devices
6527700 ZFS should post a sysevent when topology changes
6528194 lofi should support force unmap and DKIO_DEV_GONE
6528732 ZFS should store physical device path in addition to /dev path
6532635 ZFS keeps devices open unnecessarily
6532979 bad argument to ZFS_IOC_VDEV_ATTACH can panic system
6567983 deadlock with spa_scrub_thread() and spa_namespace_lock

6386594 zdb message should be clearer when failing for lack of permissions

6456888 zpool scrubbing leads to memory exhaustion and system hang

6393525 vdev_reopen() should verify that it's still the same device
6414648 zfs allows overlapping devices to be added
6435943 assertion failed: spare != 0L, file: ../../common/fs/zfs/spa_misc.c
6436000 import of actively spared device returns EBUSY
6478316 nfs/server doesn't respect auto_enable setting
6483675 want a private property to return number of clones
6485728 zpool iostat should flush output periodically
6494072 A device which was set as spare disk is not detach
6497563 zfs double-spared an already-spared disk on reboot
6503724 adding spare that is in use in another pool should be allowed
6505225 zpool(1M) can give misleading error when removing active spare

6472021 vdev knobs can not be turned

6460059 zfs destroy <snapshot> leaves behind kruft
6463788 'zfs recv -d' fails if some ancestors already exist
6464897 assertion failed: "BP_GET_COMPRESS(bp) == compress" zio.c, line:897
6472843 panic when write to zvol snapshot
6475506 panic in dmu_recvbackup due to NULL pointer dereference
6475942 need more assertions in dnode_destroy()
6477102 recvbackup ioctl does not advance file offset
6477103 read-only properties should be passed as nvlist
6477900 want more /etc/system tunables for ZFS performance analysis
6479497 ::abuf_find is broken

6463348 ZFS code could be more portable

6447377 ZFS prefetch is inconsistant

6416482 filebench oltp workload hangs in zfs
6440499 zil should avoid txg_wait_synced() and use dmu_sync() to issue parallel IOs when fsyncing

6433717 offline devices should not be marked persistently unavailble
6436524 importing a bogus pool config can panic system
6436800 ztest failure: spa_vdev_attach() returns EBUSY instead of ENOTSUP

PSARC 2006/223 ZFS Hot Spares
PSARC 2006/303 ZFS Clone Promotion
6276916 support for "clone swap"
6288488 du reports misleading size on RAID-Z
6393490 libzfs should be a real library
6397148 fbufs debug code should be removed from buf_hash_insert()
6405966 Hot Spare support in ZFS
6409302 passing a non-root vdev via zpool_create() panics system
6415739 assertion failed: !(zio->io_flags & 0x00040)
6416759 ::dbufs does not find bonus buffers anymore
6417978 double parity RAID-Z a.k.a. RAID6
6424554 full block re-writes need not read data in
6425111 detaching an offline device can result in import confusion

6424405 zpool import destroyed_pool can damage existing pool using same devices

6410711 intent log blocks don't get invited to pool parties

6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
6410700 zdb should support reading raw blocks out of storage pool
6410709 ztest: spa config can change before pool export

6280668 pluggable block allocation policy
6399301 initial read of space maps is super slow
6407365 large-sector disk support in ZFS
6407366 ADVANCE_NOLOCK gathers MOS
6407367 three-way deadlock between db_mtx, dbuf_hash[], and ms_lock

PSARC/2006/082 zpool import destroyed pools
6276934 ability import destroyed pools
Contributed by Robert Milkowski <rmilkowski@task.gda.pl>

6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
6397207 successful scrub completion can purge DTLs of newly-attached vdevs
6397208 uberblock must sync to at least one cache-visible device

6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
6395485 ensure the gu in vdev_guid
6395487 config cache can become stale relative to mosconfig
6395488 vdev addition must sync to config cache before allocation begins

PSARC 2006/077 zpool clear
PSARC 2006/139 FMA for ZFS
6284889 arc should replace the znode cache
6333006 DMU & DSL should not panic upon I/O error
6333092 concurrent reads to a file not scaling with number of readers
6338081 ZFS/FMA phase 1
6338386 need persistent error log
6341326 i/o error causes arc buf hash table corruption
6341639 zfs backup/restore should compute/verify checksum of backup stream
6348002 out of space due to changing properties
6354724 inaccurate error message from zfs restore
6354872 dmu_sync() blows predictive accounting
6355416 zpool scrubbing consumes all memory, system hung
6363995 df should only load libzfs when it encounters a ZFS filesystem
6366320 zfs backup/restore doesn't like signals
6368892 mount -m support needed for legacy mounts
6368902 boot archive fstat support needed for ZFS Mountroot
6369424 BFU complains when bfu'ing a ZFS root filesystem
6374062 mountroot support needed for ZFS
6376356 dirtying dbuf obj=43 lvl=0 blkid=0 but not tx_held
6378391 unused members of dmu_objset_stats_t
6378392 clean up zfs_cmd_t structure
6378685 buf_init should allocate its hash table more carefully
6378976 ziltest should be a first class citizen
6381086 zdb segfaults if there is a spa deferred-free bplist
6381203 deadlock due to i/o while assigning (tc_lock held)
6381209 freed space is not immediately available
6381344 'zpool clear'
6381345 FAULTED devices should really be UNAVAIL
6381346 import should mark devices as persistently unavailable
6383272 recursive mutex_enter() during log replay with zfs root
6386326 origin property is not displayed
6386354 libzfs does too much in its _init section, calls exit(1)
6386624 zpool should not complain about non-existent devices from libdiskmgt
6386910 spa needs to be i/o error hardened
6387735 need a mechanism to inject faults into ZFS
6387736 internal ZFS utilities should be placed in an ON-private package
6389928 libzfs should ship a lint library
6390609 malformed vdev config panics on zpool_create()
6390677 version number checking makes upgrades challenging
6390713 ztest hangs in zil_suspend()
6391873 metadata compression should be turned back on
6392113 ztest sometimes reports leaked blocks because ZIL isn't resilvered
6393004 minor memory leak in unique_insert()

6322005 support for persistent offline

6366731 zfs and gcc don't get along anymore
6367359 'zpool offline' fails, cannot offline device: device not in pool

6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
6347491 libzfs: need vdevs structures to report size of underlying device
6347855 readonly property is not updated on volumes.
6350421 Internal Error returned from 'zfs set volsize' on a readonly volume

6344272 re-think how whole disks are stored

PSARC 2002/240 ZFS
6338653 Integrate ZFS
PSARC 2004/652 - DKIOCFLUSH
5096886 Write caching disks need mechanism to flush cache to physical media

PSARC 2010/306 Read-only ZFS pools
6720531 ZFS should provide read-only import

6782540 zpool cannot replace a replacing device

6733267 Allow a pool to be imported with a missing slog
6950437 missing logzillas should not fault pool when they contain no ZIL data

6494473 ZFS needs a way to slow down resilvering
6743992 scrub/resilver causes systemic slowdown
6936821 scrub/resilver io should not be suspended
6956464 otoro: head panic in zfs:dnode_hold_impl; during system disk zinject testing

6675946 'zpool status' should show the progress of resilvering for individual disk.
6683750 scrub -s have to wait until resilver completed?
6841252 Resilvering not restartable - causing an excess reboot delay
6855073 spa scrub stats (eg %done) are reset on reboot
6891824 7410 NAS head "continually resilvering" following HDD replacement
6899970 scrub/resilver percent complete reporting in zpool status can be overly optimistic
6940889 add interval (count) args to zpool list
6944623 dbuf_read_done() locking performance improvement
6946760 mutex problem in bplist_enqueue()
6391915 RFE: provide interval arg to zpool status to monitor resilvering
6946512 want zfs_send() to pass back debug info
6943992 'zpool scrub' should not restart the existing scrub silently
6878281 zpool should store the time of last scrub/resilver and other zpool status info in pool properties.
6935158 Assertion failed: used <= spa_get_dspace(dd->dd_pool->dp_spa)
6944388 dsl_dataset_snapshot_reserve_space() causes dp_write_limit=max

6911420 ZFS device removal detection should work with SCSAv3

6932959 ZFS allows too many devices to be faulted

6923585 deadlock while booting OpenSolaris build 132 from mirrored rpool with removed submirror

6887372 DTLs not cleared after resilver if permanent errors present

PSARC/2009/511 zpool split
5097228 provide 'zpool split' to create new pool by breaking all mirrors
6880831 memory leak in zpool add
6891438 zfs_ioc_userspace_upgrade could reference uninitialised error variable
6891441 zvol_create_minor sets local variable zv but never references it
6891442 spa_import() sets local variable spa but never references it
6895446 vdevs left open after removing slogs or offlining device/file

6678033 resilver code should prefetch
6841580 zfs stack overflow when upgrading to userspace accounting
6859446 scrub doesn't pause correctly

6826241 Sync write IOPS drops dramatically during TXG sync
6869229 zfs should switch to shiny new metaslabs more frequently

6898790 assertion failed: alloctype == VDEV_ALLOC_LOAD||alloctype == VDEV_ALLOC_ADD

6897958 ASSERT in metaslab_class_space_update() with 8+ exabyte pool
6898598 dsl needs to be more aware of dedup space

PSARC 2009/571 ZFS Deduplication Properties
6677093 zfs should have dedup capability

PSARC 2009/479 zpool recovery support
6667683 need a way to rollback to an uberblock from a previous txg
6885998 bad ASSERT() in traverse_zil_block()

6807339 spurious checksum errors when replacing a vdev

6840704 osol_0906 PV guests sometimes hang at login prompt

6893087 removing and inserting a faulted vdev clears faulted state
6893088 new ereports need to be generated when clearing a vdev
6893090 clearing a vdev should automatically detach spare
6893099 zpool_clear_label() would be useful

6889826 ZFS retire agent should be able to repair pools
6889827 ZFS retire agent needs to do a better job of staying in sync
6889824 infrastructure for ZFS notification of external faults
6889808 ZFS DE infrastructure to handle FRUs
6889814 ZFS DE should clear cases when vdevs and pools are removed
6889828 libzfs changes to allow spare offline/online
6889830 zpool_iter() should be tolerant of recursive invocation
6891150 want versions of topo_fmri_str{cmp,hash} that ignore auth info

6846163 ZFS continues to use faulted logzilla, bringing system to a crawl
6872547 ztest LUN expansion test fails
6873635 zdb should be able to open a pool with a failed slog
6873654 system panics when a slog device is offlined
6875236 zdb should be able to dump the spa history

6574286 removing a slog doesn't work
6856566 zpool import -F can cause panic
6863456 system panic by load_nvlist(spa, spa->spa_config_object, &nv) == 0 while running zfs test suite
6882947 dump_nvlist() should live in libnvpair

6438937 if 'zfs destroy' fails, it can leave a zvol device link missing
6573142 zpool destruction/export should better handle stale zvol links
6718816 ZFS volinit fails when ZFS root pool full
6761786 zpool import with 8500 snapshots took 11hours
6604403 replace volinit/volfini with /dev fs vnode ops
6847760 zfs volinit may happen a little too soon during boot
6488792 Warnings on console whenever a volume is created.
6738837 assertion failure in sdev_open
6878496 dmu_objset_own returns EINVAL instead of EROFS in some situations

6854612 triple-parity RAID-Z
6854621 RAID-Z should mind the gap on writes

6856634 snv_117 not booting: zfs_parse_bootfs: error2

6848242 zdb -e no longer works as expected

6566744 vdev_open() should be done in parallel

PSARC 2008/353 zpool autoexpand property
6475340 when lun expands, zfs should expand too
6563887 in-place replacement allows for smaller devices
6606879 should be able to grow pool without a reboot or export/import
6844090 zfs should be able to mirror to a smaller disk

6747441 GRUB/vdev_get_bootpath, spa_get_rootconf, zpool_get_physpath should take care of spare vdev
6844158 assertion failed: vd->vdev_ops == &vdev_mirror_ops, file: ../../common/fs/zfs/zvol.c, line: 1054
6846024 allow grub to findroot /boot/grub/menu.lst if opening menu.lst from the boot device fails

6843014 ZFS B_FAILFAST handling is broken

6803605 should be able to offline log devices
6726045 vdev_deflate_ratio is not set when offlining a log device
6599442 zpool import has faults in the display

6794136 Panic BAD TRAP: type=e when importing degraded zraid pool.

6801810 Commit of aligned streaming rewrites to ZIL device causes unwanted disk reads

6799895 spa_add_spares() needs to be protected by config lock
6826466 want to post sysevents on hot spare activation
6826468 spa 'allowfaulted' needs some work
6826469 kernel support for storing vdev FRU information
6826470 skip posting checksum errors from DTL regions of leaf vdevs
6826471 I/O errors after device remove probe can confuse FMA
6826472 spares should enjoy some of the benefits of cache devices

6821169 offlining a device results in checksum errors
6821170 ZFS should not increment error stats for unavailable devices
6824006 need to increase issue and interrupt taskqs threads in zfs

6809691 'zpool create -f' no longer overwrites ufs infomation

6798384 It can take a village to raise a zio

6328632 zpool offline is a bit too conservative
6739487 ASSERT: txg <= spa_final_txg due to scrub/export race
6767129 ASSERT: cvd->vdev_isspare, in spa_vdev_detach()
6747698 checksum failures after offline -t / export / import / scrub
6745863 ZFS writes to disk after it has been offlined
6722540 50% slowdown on scrub/resilver with certain vdev configurations
6759999 resilver logic rewrites ditto blocks on both source and destination
6758107 I/O should never suspend during spa_load()
6776548 codereview(1) runs off the page when faced with multi-line comments
6761406 AMD errata 91 workaround doesn't work on 64-bit systems

backout 6752810: causes data corruption on zfs root pool

6764914 vdev_reopen() can lead to failed allocations

6752810 deadlock when trying to online missing boot drive

6755170 zinject -d causes panic

6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
6667208 zfs/zpool commands on failed pool should not hang
6430480 grabbing config lock as writer during I/O load can take excessively long

6734585 zpool history should log when a spare device becomes active
6736002 zinject needs to init/destroy rw inject_lock

6343667 scrub/resilver has to start over when a snapshot is taken
6343693 'zpool status' gives delayed start for 'zpool scrub'
6670746 scrub on degraded pool return the status of 'resilver completed'?
6675685 DTL entries are lost resulting in checksum errors
6706404 get_history_one() can dereference off end of hist_event_table[]
6715414 assertion failed: ds->ds_owner != tag in dsl_dataset_rele()
6716437 ztest gets SEGV in arc_released()
6722838 bfu does not update grub

6721094 Setting certain properties on root pools should not be allowed

PSARC 2008/388 Short circuit for vdev probe failure
6410382 ZFS rename should update ->v_path
6633592 vdev_root_open() faulted logic doesn't work
6674674 zfs needs to handle more than EIO
6705158 failed log device should not be treated like normal toplevel vdev
6705232 vdev_not_present erroneously cleared in vdev_validate()
6705649 libses/libscsi plugins should be included in ABI exception list
6707536 zfs_case_timeout and associated code is unused
6707637 vdev_propagate_state() shouldn't skip log devices
6708095 better FMA integration for vdev probe failure
6708192 typo in fix for 6646106 breaks pool I/O failure handling
6709112 zio_should_retry() should account for vdev_is_failing
6718542 zinject doesn't work for file I/O probe failure
6719105 ses2: incorrect parsing of page 15 (nickname)

6700920 vdev_clear() needs some polishing
6719141 misspelling in status_callback() for I/O failure case

6625086 changing cachefile doesn't remove old cache on last user
6633599 need a mechanism to import faulted pools
6646102 hot spares are not activated when opening a pool
6646106 ZFS DE is overly complicated
6646195 ZFS DE leaks pool handles
6646618 want dataset GUIDs as a property in libzfs
6662441 L2ARC FMA support
6687745 zdb -U doesn't work with anything but pool names
6687750 ::spa_vdevs should print out cache devices
6687753 cache devices should support offline/online
6687766 ZFS should post a sysevent when config changes
6688366 bad indentation for 'casesensitivity' property in 'zfs get' help
6689223 spa_create() can leave namespace lock held if property validation fails
6690884 setting zfs_no_write_throttle panics system
6691266 zpool_read_label() needs to use pread64()
6694185 nv_priv_init() doesn't bzero structure completely
6694186 ses_plugin_dlclose is backwards
6697754 ses2 plugin crash when setting invalid property

6616739 panic message ZFS: I/O failure (write on <unknown> is not very helpful
6623234 better FMA integration for 'failmode' property
6680971 blkbuf is leaked in zio_assess() on DEBUG bits for truly failed I/Os
6685865 vdev_disk_probe_io()/vdev_file_probe_io() dvd's setting is wrong

6354519 stack overflow in zfs due to zio pipeline
6533726 single-threaded checksum & parity calculations limit write bandwidth
6547248 ztest detects a future leak when there is none
6604198 zfs only using single cpu for compression (part II)

PSARC 2007/618 ZFS L2ARC
6536054 second tier ("external") ARC

6621355 panic in vdev_disk_io_start when trying to write to a faulted device
6622732 Assertion failed: !(zio->io_flags & ZIO_FLAG_WRITE_RETRY), file ../../../uts/com mon/fs/zfs/zio.c
6623221 CIFS breaks ZFS root

PSARC 2007/567 zpool failmode property
6322646 ZFS should gracefully handle all devices failing (when writing)
6413847 vdev label write failure should be handled more gracefully
6417772 need nicer message on write failure
6417779 ZFS: I/O failure (write on ...) -- need to reallocate writes
6467927 Node gets into a panic loop when devices are fenced off
6565042 ZFS should gracefully handle all devices failing (when reading)
6596239 Stop issuing IOs to a vdev that is going to be removed

PSARC 2007/342 Enhanced ZFS Pool Properties
PSARC 2007/482 zpool upgrade -V
6565437 zpool property extensions
6561384 want 'zpool upgrade -V <version>' to upgrade to specific version number
6582755 zfs.h has some incorrect version macros
6595601 libzfs headers declare functions which don't exist
6603938 libzfs is using VERIFY() again
6538984 duplicated messages when get pool properties from an unsupported pool version

6569719 panic dangling dbufs (dn=ffffffff28814d30, dbuf=ffffffff20756008)
6573361 panic turnstile_block, unowned mutex
6584864 $MOS is not properly bounded by pool size
6585265 need bonus resize interface
6587723 BAD TRAP: type=e (#pf Page fault) occurred in module "zfs" due to a NULL pointer dereference
6589799 dangling dbuf after zinject
6594025 panic: dangling dbufs during shutdown

6498144 ::kmastat could be even easier to read
6580855 spa_scrub() should be called with spa_namespace_lock held, not the config lock

PSARC/2007/328 zfs upgrade
6552536 'zpool status -v' doesn't work with new (type-bearing) directory entries
6559635 can not import pool whose front labels are gone
6572636 need "zfs upgrade" to change ZPL version number
6572637 store object type in directory entries.
6572648 ZPL's delete queue should not be processed if the filesystem is mounted read-only
6572650 ZFS_VERSION should be SPA_VERSION for readability

PSARC 2007/171 ZFS Separate Intent Log
6339640 Make ZIL use NVRAM when available.

PSARC 2007/197 ZFS hotplug
PSARC 2007/283 FMA for ZFS Phase 2
6401126 ZFS DE should verify that diagnosis is still valid before solving cases
6500545 ZFS does not handle changes in devids
6508521 zpool online should warn when it is being used incorrectly
6509807 ZFS checksum ereports are not being posted
6514712 zfs_nicenum() doesn't work with perfectly-sized buffers
6520510 media state doesn't get updated properly on device removal
6520513 ZFS should have better support for device removal
6520514 vdev state should be controlled through a single ioctl()
6520519 ZFS should diagnose faulty devices
6520947 ZFS DE should close cases which no longer apply
6521393 ZFS case timeout should be FMD_TYPE_TIME
6521624 fmd_hash_walk() can dump core when given a bad address
6521946 ZFS DE needlessly subscribes to faults
6522085 ZFS dictionary files contain spelling errors
6523185 vdev_reopen() doesn't correctly propagate state
6523555 'zpool online' should be less chatty unless something goes wrong
6527379 zpool(1M) should not try to open faulted devices
6527700 ZFS should post a sysevent when topology changes
6528194 lofi should support force unmap and DKIO_DEV_GONE
6528732 ZFS should store physical device path in addition to /dev path
6532635 ZFS keeps devices open unnecessarily
6532979 bad argument to ZFS_IOC_VDEV_ATTACH can panic system
6567983 deadlock with spa_scrub_thread() and spa_namespace_lock

6386594 zdb message should be clearer when failing for lack of permissions

6456888 zpool scrubbing leads to memory exhaustion and system hang

6393525 vdev_reopen() should verify that it's still the same device
6414648 zfs allows overlapping devices to be added
6435943 assertion failed: spare != 0L, file: ../../common/fs/zfs/spa_misc.c
6436000 import of actively spared device returns EBUSY
6478316 nfs/server doesn't respect auto_enable setting
6483675 want a private property to return number of clones
6485728 zpool iostat should flush output periodically
6494072 A device which was set as spare disk is not detach
6497563 zfs double-spared an already-spared disk on reboot
6503724 adding spare that is in use in another pool should be allowed
6505225 zpool(1M) can give misleading error when removing active spare

6472021 vdev knobs can not be turned

6460059 zfs destroy <snapshot> leaves behind kruft
6463788 'zfs recv -d' fails if some ancestors already exist
6464897 assertion failed: "BP_GET_COMPRESS(bp) == compress" zio.c, line:897
6472843 panic when write to zvol snapshot
6475506 panic in dmu_recvbackup due to NULL pointer dereference
6475942 need more assertions in dnode_destroy()
6477102 recvbackup ioctl does not advance file offset
6477103 read-only properties should be passed as nvlist
6477900 want more /etc/system tunables for ZFS performance analysis
6479497 ::abuf_find is broken

6463348 ZFS code could be more portable

6447377 ZFS prefetch is inconsistant

6416482 filebench oltp workload hangs in zfs
6440499 zil should avoid txg_wait_synced() and use dmu_sync() to issue parallel IOs when fsyncing

6433717 offline devices should not be marked persistently unavailble
6436524 importing a bogus pool config can panic system
6436800 ztest failure: spa_vdev_attach() returns EBUSY instead of ENOTSUP

PSARC 2006/223 ZFS Hot Spares
PSARC 2006/303 ZFS Clone Promotion
6276916 support for "clone swap"
6288488 du reports misleading size on RAID-Z
6393490 libzfs should be a real library
6397148 fbufs debug code should be removed from buf_hash_insert()
6405966 Hot Spare support in ZFS
6409302 passing a non-root vdev via zpool_create() panics system
6415739 assertion failed: !(zio->io_flags & 0x00040)
6416759 ::dbufs does not find bonus buffers anymore
6417978 double parity RAID-Z a.k.a. RAID6
6424554 full block re-writes need not read data in
6425111 detaching an offline device can result in import confusion

6424405 zpool import destroyed_pool can damage existing pool using same devices

6410711 intent log blocks don't get invited to pool parties

6410698 ZFS metadata needs to be more highly replicated (ditto blocks)
6410700 zdb should support reading raw blocks out of storage pool
6410709 ztest: spa config can change before pool export

6280668 pluggable block allocation policy
6399301 initial read of space maps is super slow
6407365 large-sector disk support in ZFS
6407366 ADVANCE_NOLOCK gathers MOS
6407367 three-way deadlock between db_mtx, dbuf_hash[], and ms_lock

PSARC/2006/082 zpool import destroyed pools
6276934 ability import destroyed pools
Contributed by Robert Milkowski <rmilkowski@task.gda.pl>

6397197 ADVANCE_ZIL should only visit claimed-but-not-yet-replayed logs
6397207 successful scrub completion can purge DTLs of newly-attached vdevs
6397208 uberblock must sync to at least one cache-visible device

6395480 ztest ASSERT: rbt.bt_objset == wbt.bt_objset, line 2041
6395485 ensure the gu in vdev_guid
6395487 config cache can become stale relative to mosconfig
6395488 vdev addition must sync to config cache before allocation begins

PSARC 2006/077 zpool clear
PSARC 2006/139 FMA for ZFS
6284889 arc should replace the znode cache
6333006 DMU & DSL should not panic upon I/O error
6333092 concurrent reads to a file not scaling with number of readers
6338081 ZFS/FMA phase 1
6338386 need persistent error log
6341326 i/o error causes arc buf hash table corruption
6341639 zfs backup/restore should compute/verify checksum of backup stream
6348002 out of space due to changing properties
6354724 inaccurate error message from zfs restore
6354872 dmu_sync() blows predictive accounting
6355416 zpool scrubbing consumes all memory, system hung
6363995 df should only load libzfs when it encounters a ZFS filesystem
6366320 zfs backup/restore doesn't like signals
6368892 mount -m support needed for legacy mounts
6368902 boot archive fstat support needed for ZFS Mountroot
6369424 BFU complains when bfu'ing a ZFS root filesystem
6374062 mountroot support needed for ZFS
6376356 dirtying dbuf obj=43 lvl=0 blkid=0 but not tx_held
6378391 unused members of dmu_objset_stats_t
6378392 clean up zfs_cmd_t structure
6378685 buf_init should allocate its hash table more carefully
6378976 ziltest should be a first class citizen
6381086 zdb segfaults if there is a spa deferred-free bplist
6381203 deadlock due to i/o while assigning (tc_lock held)
6381209 freed space is not immediately available
6381344 'zpool clear'
6381345 FAULTED devices should really be UNAVAIL
6381346 import should mark devices as persistently unavailable
6383272 recursive mutex_enter() during log replay with zfs root
6386326 origin property is not displayed
6386354 libzfs does too much in its _init section, calls exit(1)
6386624 zpool should not complain about non-existent devices from libdiskmgt
6386910 spa needs to be i/o error hardened
6387735 need a mechanism to inject faults into ZFS
6387736 internal ZFS utilities should be placed in an ON-private package
6389928 libzfs should ship a lint library
6390609 malformed vdev config panics on zpool_create()
6390677 version number checking makes upgrades challenging
6390713 ztest hangs in zil_suspend()
6391873 metadata compression should be turned back on
6392113 ztest sometimes reports leaked blocks because ZIL isn't resilvered
6393004 minor memory leak in unique_insert()

6322005 support for persistent offline

6366731 zfs and gcc don't get along anymore
6367359 'zpool offline' fails, cannot offline device: device not in pool

6366265 attach/replace should allow a new device size at least the min of all devs in a mirror/raidz
6347491 libzfs: need vdevs structures to report size of underlying device
6347855 readonly property is not updated on volumes.
6350421 Internal Error returned from 'zfs set volsize' on a readonly volume

6344272 re-think how whole disks are stored

PSARC 2002/240 ZFS
6338653 Integrate ZFS
PSARC 2004/652 - DKIOCFLUSH
5096886 Write caching disks need mechanism to flush cache to physical media