7303 dynamic metaslab selection Reviewed by: Alex Reece <alex@delphix.com> Reviewed by: Chris Siden <christopher.siden@delphix.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Paul Dagnelie <paul.dagnelie@delphix.com> Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com> Reviewed by: Prakash Surya <prakash.surya@delphix.com> Reviewed by: Don Brady <don.brady@intel.com> Approved by: Richard Lowe <richlowe@richlowe.net>

7543 ::spa -h should show free space histogram for whole pool Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Pavel Zakharov <pavel.zakharov@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>

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>

6289 ::dbuf dcmd misaligned output Reviewed by: Paul Dagnelie <pcd@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Richard Lowe <richlowe@richlowe.net>

5696 ::refcount -r does not display info about removal of holds Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: George Wilson <george@delphix.com> Reviewed by: Paul Dagnelie <paul.dagnelie@delphix.com> Reviewed by: Basil Crow <basil.crow@delphix.com> Reviewed by: Bayard Bell <buffer.g.overflow@gmail.com> Approved by: Dan McDonald <danmcd@omniti.com>

5527 ::spa_space fails with mdb: couldn't find member dd_phys of type struct zfs`dsl_dir' Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: George Wilson <george@delphix.com> Reviewed by: Dan McDonald <danmcd@omniti.com> Approved by: Robert Mustacchi <rm@joyent.com>

5445 Add more visibility via arcstats; specifically arc_state_t stats and differentiate between "data" and "metadata" Reviewed by: Basil Crow <basil.crow@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Bayard Bell <bayard.bell@nexenta.com> Approved by: Robert Mustacchi <rm@joyent.com>

5408 managing ZFS cache devices requires lots of RAM Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Don Brady <dev.fs.zfs@gmail.com> Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com> Approved by: Garrett D'Amore <garrett@damore.org>

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>

5368 ARC should cache more metadata Reviewed by: Alex Reece <alex.reece@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Richard Elling <richard.elling@richardelling.com> Approved by: Dan McDonald <danmcd@omniti.com>

4976 zfs should only avoid writing to a failing non-redundant top-level vdev 4977 mdb error in ::spa_space from space_cb() if a metaslab's ms_sm is NULL 4978 ztest fails in get_metaslab_refcount() 4979 extend free space histogram to device and pool 4980 metaslabs should have a fragmentation metric 4981 remove fragmented ops vector from block allocator 4982 space_map object should proactively upgrade when feature is enabled 4983 need to collect metaslab information via mdb 4984 device selection should use fragmentation metric Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Adam Leventhal <adam.leventhal@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Approved by: Garrett D'Amore <garrett@damore.org>

4390 i/o errors when deleting filesystem/zvol can lead to space map corruption Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Dan McDonald <danmcd@omniti.com> Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.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>

4366 ::walk zio and ::zio_state are broken Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Approved by: Gordon Ross <gwr@nexenta.com>

4101 metaslab_debug should allow for fine-grained control 4102 space_maps should store more information about themselves 4103 space map object blocksize should be increased 4104 ::spa_space no longer works 4105 removing a mirrored log device results in a leaked object 4106 asynchronously load metaslab Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Sebastien Roy <seb@delphix.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>

3956 ::vdev -r should work with pipelines 3957 ztest should update the cachefile before killing itself 3958 multiple scans can lead to partial resilvering 3959 ddt entries are not always resilvered 3960 dsl_scan can skip over dedup-ed blocks if physical birth != logical birth 3961 freed gang blocks are not resilvered and can cause pool to suspend 3962 ztest should print out zfs debug buffer before exiting Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Approved by: Richard Lowe <richlowe@richlowe.net>

3650 mdb global symbol tab completion should find all symbols 3651 mdb_readsym() and friends should find all symbols 3652 convert ::spa and ::spa_vdevs to use mdb_ctf_vread() 3653 userland ::whatis always complains about "umem_internal_arena" symbol Reviewed by: Henrik Mattson <henrik.mattson@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Approved by: Dan McDonald <danmcd@nexenta.com>

3654 zdb should print number of ganged blocks 3655 ::rrwlock and ::refcount print errors on non-debug kernels 3656 remove unused function zap_cursor_move_to_key() 3657 mdb_ctf_vread() should allow conversion of pointer to uintptr_t Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: Dan McDonald <danmcd@nexenta.com> Approved by: Garrett D'Amore <garrett@damore.org>

3618 ::zio dcmd does not show timestamp data Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: George Wilson <gwilson@zfsmail.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: Garrett D'Amore <garrett@damore.org> Approved by: Dan McDonald <danmcd@nexenta.com>

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>

3561 arc_meta_limit should be exposed via kstats 3116 zpool reguid may log negative guids to internal SPA history Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: Gordon Ross <gordon.ross@nexenta.com> Approved by: Garrett D'Amore <garrett@damore.org>

3465 ::walk ... | ::<dcmd> misinterprets input as symbol names 3466 ::tsd should handle missing/NULL values better 3467 mdb_ctf_vread() could be more useful 3468 mdb enhancements for zfs development 3470 ::whatis does not print callers from KMF_LITE 3473 mdb_get_module() returns wrong module Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Eric Schrock <eric.schrock@delphix.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Reviewed by: Robert Mustacchi <rm@joyent.com> Approved by: Dan McDonald <danmcd@nexenta.com>

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>

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>

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>

694 zfs mdb module didn't hear about zfs_txg_synctime_ms Reviewed by: Albert Lee <trisk@nexenta.com> Reviewed by: Dan McDonald <danmcd@nexenta.com> Reviewed by: Garrett D'Amore <garrett@nexenta.com> Approved by: Garrett D'Amore <garrett@nexenta.com>

6677657 smb_list.c shouldn't exist 6840819 zfs does not automount directories after the pool is restored 6953725 sporadic syseventd core dump during lun expansion due to double free 6962880 erroneous creation date in usr/src/cmd/mdb/Makefile.common copyright 6963174 user-land libraries shouldn't directly compile uts/common/os/list.c --HG-- rename : usr/src/uts/common/os/list.c => usr/src/common/list/list.c

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

PSARC/2010/108 zil synchronicity 6280630 zil synchronicity Contributed by Robert Milkowski <milek@task.gda.pl>

6936265 mismerge in zfs mdb module

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

6896791 want zdb option to set aok and zfs_recover

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

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

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

6736356 zdb -R/-C needs to work with exported pools

6761101 zdb/mdb crashes when printing bp with bad checksum, compress or type

6875779 zfs user accounting callbacks can be simplified 6771468 ::blkptr prints incorrectly on 32-bit 6832861 zcmd_alloc_dst_nvlist's default size is too small 6876808 want ::refcount to print refcount_t details

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

6596237 Stop looking and start ganging

6798384 It can take a village to raise a zio

6783576 ::spa -v should include spares

6725668 want ::zfs_blkstats to show block type stats after scrub (fix kmdb)

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

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

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

PSARC 2008/486 Intent log replay failure handling 6707530 log device failure needs some work

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

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

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

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

6393351 unique_* could be improved 6553348 assertion failed: ab->b_flags & (1 << 3) at line 2572 of arc.c 6582408 ::arc should accept -k/-m/-g to print in kilo/mega/giga-bytes 6582438 should have generic reader-priority rwlock for spa_config locks 6582441 zfs_cmd_t should only be used to pass arguments to/from userland 6582456 property code is overdue for some spring cleaning 6588564 zpl unmount lock should use regular rwlock

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

6552521 truss dumps core with multibyte characters in syscall args 6555113 make_dataset_handle() can leak properties on allocation failure 6556506 ::zio_state shouldn't print a header for each root zio

6536445 want ::zio to show zio tree 6546214 zpool_find_import() leaks directory handle

6510807 ARC statistics should be exported via kstat

6480230 ::walk spa|::walk zms_freelist cause mdb to core dump

6493923 nfsfind on ZFS filesystem quickly depletes memory in a 1GB system

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

6452923 really out of space panic even though ms_map.sm_space > 0

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

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 2006/077 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()

6344502 placeholder bug for the remaining Makefile cleanup work for ZFS 6343938 ::spa -v tried to read NULL vdev 6345206 zpool iostat doesn't always line up

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