6736 ZFS per-vdev ZAPs Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: John Kennedy <john.kennedy@delphix.com> Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Don Brady <don.brady@intel.com> Reviewed by: Dan McDonald <danmcd@omniti.com> Approved by: Richard Lowe <richlowe@richlowe.net>

6414 vdev_config_sync could be simpler Reviewed by: George Wilson <george.wilson@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com>

6386 Fix function call with uninitialized value in vdev_inuse Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Approved by: Robert Mustacchi <rm@joyent.com>

6328 Fix cstyle errors in zfs codebase Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Alex Reece <alex@delphix.com> Reviewed by: Richard Elling <Richard.Elling@RichardElling.com> Reviewed by: Jorgen Lundman <lundman@lundman.net> 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>

4121 vdev_label_init should treat request as succeeded when pool is read only Reviewed by: Christopher Siden <christopher.siden@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Saso Kiselkov <skiselkov.ml@gmail.com> Approved by: Richard Lowe <richlowe@richlowe.net>

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>

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>

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>

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>

3090 vdev_reopen() during reguid causes vdev to be treated as corrupt 3102 vdev_uberblock_load() and vdev_validate() may read the wrong label Reviewed by: Matthew Ahrens <mahrens@delphix.com> Reviewed by: Christopher Siden <chris.siden@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>

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

6782540 zpool cannot replace a replacing device

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/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

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()

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

6886074 zfs shouldn't add zero length arrays since nvlists apparently can't handle them

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

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

6566744 vdev_open() should be done in parallel

6843014 ZFS B_FAILFAST handling is broken

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

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

6803822 Reboot after replacement of system disk in a ZFS mirror drops to grub> prompt

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

6761100 want zdb option to select older uberblocks

6542860 ASSERT: reason != VDEV_LABEL_REMOVE||vdev_inuse(vd, crtxg, reason, 0)

6754946 assertion failure in vdev_label_init() under zpool_remove_003_pos test

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

6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.

6721901 uninitialized variable in zfs_fm_recv() can confuse diagnosis 6721906 probe failure should be ignored during pool open 6721920 cache device failure should not trigger pool I/O failure 6722096 ZFS DE case clearing logic for vdevs is busted 6722098 ZFS DE should avoid ereports against non-leaf vdevs 6722100 replacing a hot spare with an idle spare doesn't work

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)

6616599 vdev_config_sync(rvd, txg) == 0, file: ../../common/fs/zfs/spa .c, line: 3537

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

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

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/2007/328 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

6497211 Creating a zpool mirror with a large number of devices will core dump

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

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

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

6396049 spa_sync_labels() should try all devices before giving up (fix lint)

6398664 zpool detach: missing argument to error message causes core dump 6398713 don't sync config cache until root is mounted read/write 6396049 spa_sync_labels() should try all devices before giving up 6398380 ASSERT: !vd->vdev_is_dirty, vdev.c:450, when running ziltest 6399272 scrub seems constipated; needs ADVANCE_PRUNE juice

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

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

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