6676 Race between unique_insert() and unique_remove() causes ZFS fsid change Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com> Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com> Reviewed by: Dan Vatca <dan.vatca@gmail.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Sebastien Roy <sebastien.roy@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com>

6314 buffer overflow in dsl_dataset_name Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Prakash Surya <prakash.surya@delphix.com> Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com> Approved by: Dan McDonald <danmcd@omniti.com>

6171 dsl_prop_unregister() slows down dataset eviction. Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Prakash Surya <prakash.surya@delphix.com> Approved by: Dan McDonald <danmcd@omniti.com>

5610 zfs clone from different source and target pools produces coredump Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Dan McDonald <danmcd@omniti.com>

5056 ZFS deadlock on db_mtx and dn_holds Reviewed by: Will Andrews <willa@spectralogic.com> Reviewed by: Matt Ahrens <mahrens@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Approved by: Dan McDonald <danmcd@omniti.com>

5314 Remove "dbuf phys" db->db_data pointer aliases in ZFS Reviewed by: Andriy Gapon <avg@freebsd.org> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Will Andrews <willa@spectralogic.com> Approved by: Dan McDonald <danmcd@omniti.com>

4951 ZFS administrative commands should use reserved space, not fail with ENOSPC Reviewed by: John Kennedy <john.kennedy@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: Dan McDonald <danmcd@omniti.com> Approved by: Garrett D'Amore <garrett@damore.org>

4901 zfs filesystem/snapshot limit leaks Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Dan McDonald <danmcd@omniti.com>

3897 zfs filesystem and snapshot limits (fix leak) Approved by: Christopher Siden <christopher.siden@delphix.com>

3897 zfs filesystem and snapshot limits Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Christopher Siden <christopher.siden@delphix.com>

4171 clean up spa_feature_*() interfaces 4172 implement extensible_dataset feature for use by other zpool features Reviewed by: Max Grossman <max.grossman@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com> Approved by: Garrett D'Amore <garrett@damore.org>

4045 zfs write throttle & i/o scheduler performance work Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: Ned Bass <bass6@llnl.gov> Reviewed by: Brendan Gregg <brendan.gregg@joyent.com> Approved by: Robert Mustacchi <rm@joyent.com>

4046 dsl_dataset_t ds_dir->dd_lock is highly contended Reviewed by: Eric Schrock <eric.schrock@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Approved by: Garrett D'Amore <garrett@damore.org>

3699 zfs hold or release of a non-existent snapshot does not output error 3739 cannot set zfs quota or reservation on pool version < 22 Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Eric Shrock <eric.schrock@delphix.com> Approved by: Dan McDonald <danmcd@nexenta.com>

3598 want to dtrace when errors are generated in zfs Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Approved by: Garrett D'Amore <garrett@damore.org>

3582 zfs_delay() should support a variable resolution 3584 DTrace sdt probes for ZFS txg states Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: Dan McDonald <danmcd@nexenta.com> Reviewed by: Richard Elling <richard.elling@dey-sys.com> Approved by: Garrett D'Amore <garrett@damore.org>

3464 zfs synctask code needs restructuring Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Approved by: Garrett D'Amore <garrett@damore.org>

3588 provide zfs properties for logical (uncompressed) space used and referenced Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Dan McDonald <danmcd@nexenta.com> Reviewed by: Richard Elling <richard.elling@dey-sys.com> Approved by: Richard Lowe <richlowe@richlowe.net>

3006 VERIFY[S,U,P] and ASSERT[S,U,P] frequently check if first argument is zero Reviewed by Matt Ahrens <matthew.ahrens@delphix.com> Reviewed by George Wilson <george.wilson@delphix.com> Approved by Eric Schrock <eric.schrock@delphix.com>

3129 'zpool reopen' restarts resilvers 3130 ztest failure: Assertion failed: 0 == dmu_objset_destroy(name, B_FALSE) (0x0 == 0x10) Reviewed by: Eric Schrock <eric.schrock@delphix.com> Reviewed by: Matt Ahrens <matthew.ahrens@delphix.com> Reviewed by: Christopher Siden <chris.siden@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Approved by: Dan McDonald <danmcd@nexenta.com>

3100 zvol rename fails with EBUSY when dirty 3103 zfs mdb module may get wrong refcount struct Reviewed by: Christopher Siden <chris.siden@delphix.com> Reviewed by: Adam H. Leventhal <ahl@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Garrett D'Amore <garrett@damore.org> Approved by: Eric Schrock <eric.schrock@delphix.com>

3086 unnecessarily setting DS_FLAG_INCONSISTENT on async destroyed datasets Reviewed by: Christopher Siden <chris.siden@delphix.com> Approved by: Eric Schrock <Eric.Schrock@delphix.com>

backout 3006: causes 3046 (panics after mounting root)

3006 VERIFY[S,U,P] and ASSERT[S,U,P] frequently check if first argument is zero Reviewed by: Matt Ahrens <matthew.ahrens@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Approved by: Garrett D'Amore <garrett@damore.org>

2882 implement libzfs_core 2883 changing "canmount" property to "on" should not always remount dataset 2900 "zfs snapshot" should be able to create multiple, arbitrary snapshots at once Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Chris Siden <christopher.siden@delphix.com> Reviewed by: Garrett D'Amore <garrett@damore.org> Reviewed by: Bill Pijewski <wdp@joyent.com> Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com> Approved by: Eric Schrock <Eric.Schrock@delphix.com>

6948890 snapshot deletion can induce pathologically long spa_sync() times

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 --HG-- rename : usr/src/uts/common/fs/zfs/dsl_scrub.c => usr/src/uts/common/fs/zfs/dsl_scan.c

6930022 zfs rename of non-shapshot is slower than necessary

PSARC 2009/510 ZFS received properties 6850025 want to preserve local properties for zfs_recv 6839260 want zfs send with properties 6855486 zfs_receive should keep trying to set properties even after some fail 6850030 snapshots on read-only dataset shouldn't affect zfs_receive

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()

6395956 snapshot dir needs real c/mtime

6860996 %temporary clones are not automatically destroyed on error 6863088 zfs panic in dnode_hold_impl from readdir()

6857012 zfs panics on zpool import

PSARC/2009/204 ZFS user/group quotas & space accounting 6501037 want user/group quotas on ZFS 6830813 zfs list -t all fails assertion 6827260 assertion failed in arc_read(): hdr == pbuf->b_hdr 6815592 panic: No such hold X on refcount Y from zfs_znode_move 6759986 zfs list shows temporary %clone when doing online zfs recv

6789318 coredump when issue zdb -uuuu poolname/ 6790345 zdb -dddd -e poolname coredump 6797109 zdb: 'zdb -dddddd pool_name/fs_name inode' coredump if the file with inode was deleted 6797118 zdb: 'zdb -dddddd poolname inum' coredump if I miss the fs name 6803343 shareiscsi=on failed, iscsitgtd failed request to share

6788830 set large value to reservation cause core dump 6791064 want sysevents for ZFS scrub 6791066 need to be able to set cachefile on faulted pools 6791071 zpool_do_import() should not enable datasets on faulted pools 6792134 getting multiple properties on a faulted pool leads to confusion

6747355 finish closing race condition when setting refreservation 6745276 Replication: appliance panic in dsl_dir_transfer_space+0xf6

6742058 panic changing refreservation while writing

PSARC/2008/518 ZFS space accounting enhancements 6730799 want snapused property 6738349 zfs promote fails without enough space

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

6610506 Eliminate or improve retry logic from callers of dmu_objset_open() 6695465 divide by zero in txg_sync_thread() under heavy load

6679407 refquota lost function

6429205 each zpool needs to monitor its throughput and throttle heavy writers 6528296 system hangs when swapping to a zvol 6662330 ::zfs_params should look for metaslab_gang_bang instead of zio_gang_bang

6630761 In sub-filesystem, available space is less than refreservation space

6619182 new non-sparse zvols should get refreservations 6623412 clone swap needs to check for enough space due to refreservation 6627460 Setting quota to itself should be a successful noop

6421210 zfs rollback without unmounting 6597358 assertion failed in dsl_dir_stats() 6623982 stack overflow due to zfs_ioc_recv() 6626110 recvflags_t could use a comment 6626117 z_dbuf_held is redundant (use z_dbuf != NULL)

6624758 Regular quotas are not being enforced

PSARC 2007/555 zfs fs-only quotas and reservations 6431277 want filesystem-only quotas 6483677 need immediate reservation

PSARC/2007/574 zfs send -R 6358519 'zfs restore' can't restore full backup into topmost filesystem 6421958 want recursive zfs send ('zfs send -r') 6465969 zfs receive error message could be a little more friendly 6482331 assertion failed: ra.err == 0 (0x10 == 0x0) 6577548 nvlist_next_nvpair() can not iterate recursively 6579048 zfs send -i "" fs@snap can succeed 6580447 "zfs list -t filesystem" slowly iterates over all snapshots 6581508 zfs issues confusing error message when doing an incremental send 6585612 'zfs recv -d' cannot receive the top-level filesystem backups 6589317 create-time permissions not granted on filesystems created by "zfs recv" 6596160 zfs create -p -b 1092 <filesystem> should fail. 6619393 help message for ::dbufs is slightly wrong 6620906 zfs_rename() gives incorrect error message 6621295 dsl_deleg_set_sync() should be broken up

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

6453407 rm a file when the root file system is at its quota limit reports ENOSPC 6483887 without direct management, arc ghost lists can run amok 6557767 assertion failed: error == 17 || lr->lr_length <= zp->z_blksz 6577156 zfs_putapage discards pages too easily 6581978 assertion failed: koff <= filesz, file: ../../common/fs/zfs/zfs_vnops.c, line: 2834 6582642 cannot set property while quota exceed or really out of space 6583710 assertion failed: new_state->arcs_size + to_delta >= *size (0x5a4cc00 >= 0x5a50a00)

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/2006/465 ZFS Delegated Administration PSARC/2006/577 zpool property to disable delegation PSARC/2006/625 Enhancements to zpool history PSARC/2007/228 ZFS delegation amendments PSARC/2007/295 ZFS Delegated Administration Addendum 6280676 restore "owner" property 6349470 investigate non-root restore/backup 6572465 'zpool set bootfs=...' records history as 'zfs set bootfs=...'

6533813 recursive snapshotting resulted in a bad stack overflow

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

6463349 error message from zpool(1M) is missing a newline 6463350 getcomponent() has spurious and wrong check

6443585 zpool create of poolname > 250 and < 256 characters panics in debug printout

6439102 assertain failed: dmu_buf_refcount(dd->dd_dbuf) == 2 in dsl_dir_destroy_check()

PSARC 2006/388 snapshot -r 6373978 want to take lots of snapshots quickly ('zfs snapshot -r')

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

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()

6377671 zfs mount -a shouldn't bother checking snapshots 6377673 'zfs mount -a' should discover the proper mount order 6378361 'zfs share -a' needs to avoid expensive checks during boot 6378377 zfs_get_stats() is way to expensive 6378388 zfs_for_each() iterates unnecessarily

6349314 dmu_object_type names incorrect for DSL Directories and DSL Datasets

6347493 tar of 25K empty directory entries in ZFS takes 30+ seconds ... 6348409 'zfs rename' process hangs after assigning a very long name ... 6348464 a few DMU object type macros are misnamed

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