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>

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>

6214 zpools going south Reviewed by: Dan McDonald <danmcd@omniti.com> Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com> Reviewed by: George Wilson <george@delphix.com> Reviewed by: Saso Kiselkov <saso.kiselkov@nexenta.com> Approved by: Matthew Ahrens <mahrens@delphix.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>

5497 lock contention on arcs_mtx Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Richard Elling <richard.elling@richardelling.com> Approved by: Dan McDonald <danmcd@omniti.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>

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>

5179 Remove unused ZFS ARC functions Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com> Reviewed by: Steve Gonczi <gonczi@comcast.net> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Richard Elling <richard.elling@gmail.com> Reviewed by: George Wilson <george.wilson@delphix.com> Approved by: Richard Lowe <richlowe@richlowe.net>

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>

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>

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>

3805 arc shouldn't cache freed blocks Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: Richard Elling <richard.elling@dey-sys.com> Reviewed by: Will Andrews <will@firepipe.net> Approved by: Dan McDonald <danmcd@nexenta.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>

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>

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>

3112 ztest does not honor ZFS_DEBUG 3113 ztest should use watchpoints to protect frozen arc bufs 3114 some leaked nvlists in zfsdev_ioctl 3115 poll(2) returns prematurely in presence of spurious wakeups Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Matt Amdur <Matt.Amdur@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Christopher Siden <chris.siden@delphix.com> Approved by: Eric Schrock <eric.schrock@delphix.com>

6949730 spurious arc_free() can significantly exacerbate 6948890

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

6873106 Need a mechanism to share buffers between fs modules

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

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

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

6717022 ZFS DMU needs zero-copy support

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

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

6737207 assertion failed: race between arc_release() and arc_referenced() 6732083 arc_read() panic: rw_exit: lock not held

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

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

6513209 Destroying pools under stress caused a hang in arc_flush 6620864 BAD TRAP panic in vn_invalid() called through znode_pageout_func() 6637030 kernel heap corruption detected during stress

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

6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant 6577527 simplify zfs {un}allow usage message 6585775 zfs upgrade doesn't return a non-zero status when run as a normal user 6589299 boolean properties should just use PROP_TYPE_INDEX 6589310 "zfs inherit" should use its own ioctl 6589880 Cannot upgrade filesystem's version by 'zpool upgrade', but the return code is zero 6590488 property of 'version' should inherit forbidden, but the return code is zero 6590840 zfs & zpool usage messages need some cleanup

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

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

6447377 ZFS prefetch is inconsistant

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

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()

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