7580 ztest failure in dbuf_read_impl Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com> Reviewed by: Steve Gonczi <steve.gonczi@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Dan McDonald <danmcd@omniti.com>

7252 compressed zfs send / receive 7628 create long versions of ZFS send / receive options Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: John Kennedy <john.kennedy@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Paul Dagnelie <pcd@delphix.com> Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com> Reviewed by: Sebastien Roy <sebastien.roy@delphix.com> Reviewed by: David Quigley <dpquigl@davequigley.com> Reviewed by: Thomas Caputi <tcaputi@datto.com> Approved by: Dan McDonald <danmcd@omniti.com>

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>

7500 Simplify dbuf_free_range by removing dn_unlisted_l0_blkid Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Approved by: Gordon Ross <gordon.w.ross@gmail.com>

7254 ztest failed assertion in ztest_dataset_dirobj_verify: dirobjs + 1 == usedobjs Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Prakash Surya <prakash.surya@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Steve Gonczi <steve.gonczi@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com>

7004 dmu_tx_hold_zap() does dnode_hold() 7x on same object Reviewed by: Steve Gonczi <steve.gonczi@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com> Reviewed by: Ned Bass <bass6@llnl.gov> Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov> Approved by: Gordon Ross <gordon.w.ross@gmail.com>

7003 zap_lockdir() should tag hold Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com> Reviewed by: Steve Gonczi <steve.gonczi@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov> Approved by: Richard Lowe <richlowe@richlowe.net>

7086 ztest attempts dva_get_dsize_sync on an embedded blockpointer Reviewed by: Prakash Surya <prakash.surya@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com>

6950 ARC should cache compressed data Reviewed by: Prakash Surya <prakash.surya@delphix.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Reviewed by: Matt Ahrens <mahrens@delphix.com> Reviewed by: Paul Dagnelie <pcd@delphix.com> Reviewed by: Don Brady <don.brady@intel.com> Reviewed by: Richard Elling <Richard.Elling@RichardElling.com> Approved by: Richard Lowe <richlowe@richlowe.net>

6513 partially filled holes lose birth time Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Boris Protopopov <bprotopopov@hotmail.com> Approved by: Richard Lowe <richlowe@richlowe.net>

6844 dnode_next_offset can detect fictional holes Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Boris Protopopov <bprotopopov@hotmail.com> Approved by: Dan McDonald <danmcd@omniti.com>

6322 ZFS indirect block predictive prefetch Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Paul Dagnelie <pcd@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com>

6841 Undirty freed spill blocks Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed by: Dan McDonald <danmcd@omniti.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com>

5027 zfs large block support (add copyright)

6267 dn_bonus evicted too early Reviewed by: Richard Yao <ryao@gentoo.org> Reviewed by: Xin LI <delphij@freebsd.org> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Richard Lowe <richlowe@richlowe.net>

6288 dmu_buf_will_dirty could be faster Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Paul Dagnelie <pcd@delphix.com> Reviewed by: Justin Gibbs <gibbs@scsiguy.com> Reviewed by: Richard Elling <Richard.Elling@RichardElling.com> Approved by: Robert Mustacchi <rm@joyent.com>

5987 zfs prefetch code needs work Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Paul Dagnelie <pcd@delphix.com> Approved by: Gordon Ross <gordon.ross@nexenta.com>

5959 clean up per-dataset feature count code Reviewed by: Toomas Soome <tsoome@me.com> Reviewed by: George Wilson <george@delphix.com> Reviewed by: Alex Reece <alex@delphix.com> Approved by: Richard Lowe <richlowe@richlowe.net>

5960 zfs recv should prefetch indirect blocks 5925 zfs receive -o origin= Reviewed by: Prakash Surya <prakash.surya@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com>

5911 ZFS "hangs" while deleting file Reviewed by: Bayard Bell <buffer.g.overflow@gmail.com> Reviewed by: Alek Pinchuk <alek@nexenta.com> Reviewed by: Simon Klinkert <simon.klinkert@gmail.com> Reviewed by: Dan McDonald <danmcd@omniti.com> Approved by: Richard Lowe <richlowe@richlowe.net>

5630 stale bonus buffer in recycled dnode_t leads to data corruption Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: George Wilson <george@delphix.com> Reviewed by: Will Andrews <will@freebsd.org> Approved by: Robert Mustacchi <rm@joyent.com>

5531 NULL pointer dereference in dsl_prop_get_ds() Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Dan McDonald <danmcd@omniti.com> Reviewed by: George Wilson <george@delphix.com> Reviewed by: Bayard Bell <buffer.g.overflow@gmail.com> Approved by: Robert Mustacchi <rm@joyent.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>

5369 arc flags should be an enum 5370 consistent arc_buf_hdr_t naming scheme Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Alex Reece <alex.reece@delphix.com> Reviewed by: Sebastien Roy <sebastien.roy@delphix.com> Reviewed by: Richard Elling <richard.elling@richardelling.com> Approved by: Richard Lowe <richlowe@richlowe.net>

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>

5027 zfs large block support Reviewed by: Alek Pinchuk <pinchuk.alek@gmail.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com> Reviewed by: Richard Elling <richard.elling@richardelling.com> Reviewed by: Saso Kiselkov <skiselkov.ml@gmail.com> Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov> Approved by: Dan McDonald <danmcd@omniti.com>

5174 add sdt probe for blocked read in dbuf_read() Reviewed by: Basil Crow <basil.crow@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Steven Hartland <killing@multiplay.co.uk> Reviewed by: Richard Elling <richard.elling@gmail.com> Reviewed by: Boris Protopopov <bprotopopov@hotmail.com> Reviewed by: Steven Hartland <killing@multiplay.co.uk> Reviewed by: Garrett D'Amore <garrett@damore.org> Approved by: Robert Mustacchi <rm@joyent.com>

5095 panic when adding a duplicate dbuf to dn_dbufs Reviewed by: Adam Leventhal <adam.leventhal@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Mattew Ahrens <mahrens@delphix.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Reviewed by: Dan McDonald <danmcd@omniti.com> Reviewed by: Josef Sipek <jeffpc@josefsipek.net> Approved by: Robert Mustacchi <rm@joyent.com>

5047 don't use atomic_*_nv if you discard the return value Reviewed by: Garrett D'Amore <garrett@damore.org> Reviewed by: Jason King <jason.brian.king@gmail.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com>

5045 use atomic_{inc,dec}_* instead of atomic_add_* Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Garrett D'Amore <garrett@damore.org> Approved by: Robert Mustacchi <rm@joyent.com>

4873 zvol unmap calls can take a very long time for larger datasets Reviewed by: George Wilson <george@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Paul Dagnelie <paul.dagnelie@delphix.com> Reviewed by: Basil Crow <basil.crow@delphix.com> Reviewed by: Dan McDonald <danmcd@omniti.com> Approved by: Robert Mustacchi <rm@joyent.com>

4631 zvol_get_stats triggering too many reads Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Sebastien Roy <sebastien.roy@delphix.com> Reviewed by: Matt Ahrens <mahrens@delphix.com> Approved by: Dan McDonald <danmcd@omniti.com>

4975 missing mutex_destroy() calls in zfs Reviewed by: Matthew Ahrens <matthew.ahrens@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Rich Lowe <richlowe@richlowe.net> Reviewed by: Seth Nimbosa <darth.Serious@gmail.com> Reviewed by: Dan McDonald <danmcd@omniti.com> Reviewed by: Don Brady <dev.fs.zfs@gmail.com> Approved by: Dan McDonald <danmcd@omniti.com>

4914 zfs on-disk bookmark structure should be named *_phys_t Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: Richard Lowe <richlowe@richlowe.net> Reviewed by: Saso Kiselkov <skiselkov.ml@gmail.com> Approved by: Robert Mustacchi <rm@joyent.com>

4757 ZFS embedded-data block pointers ("zero block compression") 4913 zfs release should not be subject to space checks Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Max Grossman <max.grossman@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: Dan McDonald <danmcd@omniti.com>

4374 dn_free_ranges should use range_tree_t Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Max Grossman <max.grossman@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com Reviewed by: Garrett D'Amore <garrett@damore.org> Reviewed by: Dan McDonald <danmcd@omniti.com> Approved by: Dan McDonald <danmcd@omniti.com>

4370 avoid transmitting holes during zfs send 4371 DMU code clean up 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: Josef 'Jeff' Sipek <jeffpc@josefsipek.net> Approved by: Garrett D'Amore <garrett@damore.org>

4168 ztest assertion failure in dbuf_undirty 4169 verbatim import causes zdb to segfault 4170 zhack leaves pool in ACTIVE state Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Eric Schrock <eric.schrock@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Dan McDonald <danmcd@nexenta.com>

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>

2932 support crash dumps to raidz, etc. pools Reviewed by: Jerry Jelinek <jerry.jelinek@joyent.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Dan McDonald <danmcd@nexenta.com>

4047 panic from dbuf_free_range() from dmu_free_object() while doing zfs receive Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Approved by: Dan McDonald <danmcd@nexenta.com>

3834 incremental replication of 'holey' file systems is slow Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Approved by: Richard Lowe <richlowe@richlowe.net>

3741 zfs needs better comments Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Eric Schrock <eric.schrock@delphix.com> Approved by: Christopher Siden <christopher.siden@delphix.com>

3137 L2ARC compression Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Matthew Ahrens <mahrens@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>

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>

3498 panic in arc_read(): !refcount_is_zero(&pbuf->b_hdr->b_refcnt) Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Richard Lowe <richlowe@richlowe.net>

3236 zio nop-write Reviewed by: Matt Ahrens <matthew.ahrens@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Christopher Siden <chris.siden@delphix.com> Approved by: Garrett D'Amore <garrett@damore.org>

3145 single-copy arc 3212 ztest: race condition between vdev_online() and spa_vdev_remove() Reviewed by: Matt Ahrens <matthew.ahrens@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Eric Schrock <eric.schrock@delphix.com> Reviewed by: Justin T. Gibbs <gibbs@scsiguy.com> Approved by: Eric Schrock <eric.schrock@delphix.com>

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>

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>

2619 asynchronous destruction of ZFS file systems 2747 SPA versioning with zfs feature flags Reviewed by: Matt Ahrens <mahrens@delphix.com> Reviewed by: George Wilson <gwilson@delphix.com> Reviewed by: Richard Lowe <richlowe@richlowe.net> Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com> Approved by: Eric Schrock <Eric.Schrock@delphix.com>

764 panic in zfs:dbuf_sync_list Reviewed by: George Wilson <gwilson@zfsmail.com> Reviewed by: Mark.Maybe@oracle.com Reviewed by: Albert Lee <trisk@nexenta.com Approved by: Garrett D'Amore <garrett@nexenta.com>

6958471 assertion failed: BP_GET_DEDUP(zio->io_bp), file: ../../common/fs/zfs/arc.c, line: 3257

6710343 dnode cache should register a dnode_move() callback to limit fragmentation 6583724 dnode_create should not call kmem_cache_constructor directly 6374545 disk write cache flush code overloads buf_t.b_list pointer

6957090 ddt_zap_prefetch() induces deadlock, panic 6958874 bpobj_close() tries to dereference a NULL bpo_dbuf

6938089 dedup-induced latency causes FC initiator logouts/FC port resets

6911391 panic in dmu_tx_count_write()

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

6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0||count == 0, in dsl_dataset.c 6942276 remove symlink upgrade code 6943284 sa_attr_iter() can use uninitialized value of length_start 6942045 zoneadm -z <zone> halt hangs after manipulation of xattrs

6716117 ZFS needs native system attribute infrastructure 6516171 zpl symlinks should have their own object type

6920880 assertion failure in dbuf_write_ready() 6921413 want mdb dcmd to print out zap leaf on-disk structure

6873106 Need a mechanism to share buffers between fs modules

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

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

6664765 Unable to remove files when using fat-zap and quota exceeded on ZFS filesystem

6717022 ZFS DMU needs zero-copy support

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

6783818 Incremental stream receive panics system 6826836 Deadlock possible in dmu_object_reclaim()

6796377 panic on rollback in space_map_add()

6748019 ARC/L2ARC metadata accounting for arc_size 6748023 ARC content kstats 6748030 L2ARC turbo warmup 6488341 ZFS should avoiding growing the ARC into trouble

6646775 Speed up the dumpifying process for zvols

6333409 traversal code should be able to issue multiple reads in parallel 6418042 want traversal in depth-first pre-order for quicker 'zfs send' 6757112 zvol dump code is extra complicated 6725668 want ::zfs_blkstats to show block type stats after scrub 6725675 dmu traverse code has extraneous features 6725680 P2CROSS is confusing to use 6725698 zvol dump device should always be 128k 6729696 sync causes scrub or resilver to pause for up to 30s 6730101 online recv can cause scrub to miss some blocks 6752226 assertion failed in dbuf_verify: db->db.db_size >= dn->dn_datablksz 6577985 panic when zfs send a snapshot with i/o errors 6755042 zdb -Lbc counts block several times in case of checksum errors

6754498 assertion failure in dbuf_leaf_sync() - and test coverage gap in ztest 6754502 panic in zio_vdev_io_assess() on disks that can't DKIOCFLUSHWRITECACHE

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

6737405 ZFS deadlock when trying to add storage

6727817 ZFS assertion failure (zero length arc_buf_alloc) during NFS I/O 6734875 assertion failed: list_head(&osi->os_meta_dnode->dn_dbufs) == 0L 6728399 [f]truncate(2) to non-zero offset broken on ZFS for files < max-blocksize 6730750 pool shows disk space in used but no related files/dirs 6737329 dmu_offset_next() does not find holes

6579975 dnode_new_blkid should look before it locks

PSARC 2008/393 zfs primarycache and secondarycache properties 6429855 Need a way to tell ZFS that caching is a lost cause 6652525 want to limit L2ARC to only cache particular datasets, and only metadata

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

6573681 deleting a very large file can be slow 6706950 ((&dnp->dn_blkptr[0])->blk_birth == 0) || list_head(list) != 0L || dn->dn_next_blksz[txgoff]

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

6640580 spa_get_random() is insanely slow in userland 6640559 db_last_dirty list may be updated incorrectly 6640582 zio_checksum_sha256() incorrect if buffer size not a multiple of 64 6550653 uberblock should be saved on more top levels 6640570 ZIL doesn't flush ditto block writes 6640578 some zio flags lost during I/O retry 6632372 ZFS label writing/checksumming hurts scalability of large configs

6618868 ASSERT: di->dr_txg == tx->tx_txg (0x148 == 0x147), dbuf.c, line 1088

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

6584470 zdb needs to initialize the bpl_lock mutex 6583739 libzpool should check for properly initialized mutexes 6548010 unbalanced mutex_init/mutex_destroy issues in zfs 6502263 ZFS needs some more FreeBSD porting love Contributed by Pawel Dawidek 6576827 multiple calls to spa_activate() can end up reinitializing all its mutexes 6576830 certain spa mutexes and condition variables need some love

6571465 leak in arc_meta_used accounting

6523336 panic dr->dt.dl.dr_override_state == DR_NOT_OVERRIDDEN, file: ../../ common/fs/zfs/dbuf.c line: 2195 6549634 dn_dbfs_mtx should be held when calling list_link_active() in dbuf_destroy()

6542676 ARC needs to track meta-data memory overhead 6544743 state->arcs_size >= state->arcs_lsize (0xe8046200 >= 0xe8066200)

6437750 panic: db->db_buf==0||arc_referenced(db->db_buf), file: dbuf.c,line:1539 6466866 assertion failed: dlen <= zp->z_blksz (0x188b4 <= 0x13200), zfs_vnops.c, line: 884 6512661 unowned mutex panic during stress test 6524889 Hang adding zvol-based devices to a pool or creating a pool from zvols 6531759 zfs_rmdir() can return EEXIST on an empty directory when spotlight is messing with it 6532056 missing dmu_tx_commit() in zfs_write() eventually hangs zfs

6520462 assertion failed in zio_write_compress 6535715 assertion failed in dmu_get_replication_level when 'zpool upgrade' 6536527 want range-checking assertions when accessing dmu_ot[]

PSARC/2007/121 zfs set copies 6459491 want 'zfs set copies=' to use ditto blocks for user data

6526196 ZFS: assertion failed: zp->z_phys->zp_links > zp_is_dir

6460622 zio_nowait() doesn't live up to its name

6512391 DMU should leverage ZIO dependencies to achieve greater parallelism

4894692 caching data in heap inflates crash dump 6499454 time to increase size of kmem default allocation caches 6499459 vm should stop checking kvp directly

6490569 verify arc bufs are not modified when they shouldn't be

6485204 more tuneable tweakin

6447701 ZFS hangs when iSCSI Target attempts to initialize its backing store 6464310 Stressing trunc can induce file corruption

6444346 zfs promote fails in zone 6448371 'zfs promote' of a volume clone fails with EBUSY 6450292 unmount original file system, 'zfs promote' cause system panic. 6451124 assertion failed: rc->rc_count >= number 6451412 renaming snapshot with 'mv' makes unmounting snapshot impossible

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

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

6407842 zfs panic when closing a file 6410836 zfs umount hang during ZFS stress testing.

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

6395371 ASSERT in dmu_tx_count_free: blkid + i < dn->dn_phys->dn_nblkptr 6396359 infinite loop due to dangling dbufs (hang on unmount)

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()

6389368 fat zap should use 16k blocks (with backwards compatability)

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

6343073 buf[i] == 0 assertion failure when running zvol_pstress 6357699 Panic assertion failed: db->db_blkptr != 0

6345547 assertion failed: tempreserve < arc.c/4 from zfs_rename 6354299 Disable metadata compression, at least temporarily

6347448 non ZFS_DEBUG kernels shouldn't call empty verify functions

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