2015-07-02 01:23:09 +03:00
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SUBDIRS = \
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acl \
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2018-01-29 21:24:52 +03:00
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arc \
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2015-07-02 01:23:09 +03:00
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atime \
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bootfs \
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cache \
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cachefile \
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casenorm \
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2018-02-08 19:16:23 +03:00
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channel_program \
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2016-12-17 02:15:48 +03:00
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chattr \
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2016-06-16 01:47:05 +03:00
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checksum \
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2015-07-02 01:23:09 +03:00
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clean_mirror \
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cli_root \
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cli_user \
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compression \
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ctime \
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2017-12-19 01:06:07 +03:00
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deadman \
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2015-07-02 01:23:09 +03:00
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delegate \
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devices \
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2017-05-18 22:57:21 +03:00
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events \
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2015-07-02 01:23:09 +03:00
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exec \
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2016-09-23 23:51:08 +03:00
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fault \
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2015-07-02 01:23:09 +03:00
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features \
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grow_pool \
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grow_replicas \
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history \
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2017-09-12 23:15:11 +03:00
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hkdf \
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2015-07-02 01:23:09 +03:00
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inheritance \
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inuse \
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large_files \
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largest_pool \
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2015-03-11 13:02:08 +03:00
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libzfs \
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2015-07-02 01:23:09 +03:00
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link_count \
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migration \
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mmap \
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Multi-modifier protection (MMP)
Add multihost=on|off pool property to control MMP. When enabled
a new thread writes uberblocks to the last slot in each label, at a
set frequency, to indicate to other hosts the pool is actively imported.
These uberblocks are the last synced uberblock with an updated
timestamp. Property defaults to off.
During tryimport, find the "best" uberblock (newest txg and timestamp)
repeatedly, checking for change in the found uberblock. Include the
results of the activity test in the config returned by tryimport.
These results are reported to user in "zpool import".
Allow the user to control the period between MMP writes, and the
duration of the activity test on import, via a new module parameter
zfs_multihost_interval. The period is specified in milliseconds. The
activity test duration is calculated from this value, and from the
mmp_delay in the "best" uberblock found initially.
Add a kstat interface to export statistics about Multiple Modifier
Protection (MMP) updates. Include the last synced txg number, the
timestamp, the delay since the last MMP update, the VDEV GUID, the VDEV
label that received the last MMP update, and the VDEV path. Abbreviated
output below.
$ cat /proc/spl/kstat/zfs/mypool/multihost
31 0 0x01 10 880 105092382393521 105144180101111
txg timestamp mmp_delay vdev_guid vdev_label vdev_path
20468 261337 250274925 68396651780 3 /dev/sda
20468 261339 252023374 6267402363293 1 /dev/sdc
20468 261340 252000858 6698080955233 1 /dev/sdx
20468 261341 251980635 783892869810 2 /dev/sdy
20468 261342 253385953 8923255792467 3 /dev/sdd
20468 261344 253336622 042125143176 0 /dev/sdab
20468 261345 253310522 1200778101278 2 /dev/sde
20468 261346 253286429 0950576198362 2 /dev/sdt
20468 261347 253261545 96209817917 3 /dev/sds
20468 261349 253238188 8555725937673 3 /dev/sdb
Add a new tunable zfs_multihost_history to specify the number of MMP
updates to store history for. By default it is set to zero meaning that
no MMP statistics are stored.
When using ztest to generate activity, for automated tests of the MMP
function, some test functions interfere with the test. For example, the
pool is exported to run zdb and then imported again. Add a new ztest
function, "-M", to alter ztest behavior to prevent this.
Add new tests to verify the new functionality. Tests provided by
Giuseppe Di Natale.
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: Ned Bass <bass6@llnl.gov>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Olaf Faaland <faaland1@llnl.gov>
Closes #745
Closes #6279
2017-07-08 06:20:35 +03:00
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mmp \
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2015-07-02 01:23:09 +03:00
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mount \
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mv_files \
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nestedfs \
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no_space \
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nopwrite \
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online_offline \
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pool_names \
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poolversion \
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privilege \
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2018-02-14 01:54:54 +03:00
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projectquota \
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2015-07-02 01:23:09 +03:00
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quota \
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SIMD implementation of vdev_raidz generate and reconstruct routines
This is a new implementation of RAIDZ1/2/3 routines using x86_64
scalar, SSE, and AVX2 instruction sets. Included are 3 parity
generation routines (P, PQ, and PQR) and 7 reconstruction routines,
for all RAIDZ level. On module load, a quick benchmark of supported
routines will select the fastest for each operation and they will
be used at runtime. Original implementation is still present and
can be selected via module parameter.
Patch contains:
- specialized gen/rec routines for all RAIDZ levels,
- new scalar raidz implementation (unrolled),
- two x86_64 SIMD implementations (SSE and AVX2 instructions sets),
- fastest routines selected on module load (benchmark).
- cmd/raidz_test - verify and benchmark all implementations
- added raidz_test to the ZFS Test Suite
New zfs module parameters:
- zfs_vdev_raidz_impl (str): selects the implementation to use. On
module load, the parameter will only accept first 3 options, and
the other implementations can be set once module is finished
loading. Possible values for this option are:
"fastest" - use the fastest math available
"original" - use the original raidz code
"scalar" - new scalar impl
"sse" - new SSE impl if available
"avx2" - new AVX2 impl if available
See contents of `/sys/module/zfs/parameters/zfs_vdev_raidz_impl` to
get the list of supported values. If an implementation is not supported
on the system, it will not be shown. Currently selected option is
enclosed in `[]`.
Signed-off-by: Gvozden Neskovic <neskovic@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4328
2016-04-25 11:04:31 +03:00
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raidz \
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2015-07-02 01:23:09 +03:00
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redundancy \
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refquota \
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refreserv \
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rename_dirs \
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replacement \
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reservation \
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rootpool \
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rsend \
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scrub_mirror \
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slog \
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snapshot \
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snapused \
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sparse \
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threadsappend \
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2016-01-26 23:29:46 +03:00
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tmpfile \
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2015-07-02 01:23:09 +03:00
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truncate \
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2016-10-04 21:46:10 +03:00
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upgrade \
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2015-07-02 01:23:09 +03:00
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userquota \
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2016-04-11 23:16:57 +03:00
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vdev_zaps \
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2015-07-02 01:23:09 +03:00
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write_dirs \
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xattr \
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zvol
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