[Gluster-users] Reliability issues with Gluster 3.10 and shard

Mon May 15 06:29:36 UTC 2017

Shard translator is currently supported only for VM image store workload.

-Krutika

On Sun, May 14, 2017 at 12:50 AM, Benjamin Kingston <ben at nexusnebula.net>
wrote:

> Hers's some log entries from nfs-ganesha gfapi
>
> [2017-05-13 19:02:54.105936] E [MSGID: 133010] [shard.c:1706:shard_common_lookup_shards_cbk]
> 0-storage2-shard: Lookup on shard 11 failed. Base file gfid =
> 1494c083-a618-4eba-80a0-147e656dd9d0 [Input/output error]
> [2017-05-13 19:02:54.106176] E [MSGID: 133010] [shard.c:1706:shard_common_lookup_shards_cbk]
> 0-storage2-shard: Lookup on shard 2 failed. Base file gfid =
> 1494c083-a618-4eba-80a0-147e656dd9d0 [Input/output error]
> [2017-05-13 19:02:54.106288] E [MSGID: 133010] [shard.c:1706:shard_common_lookup_shards_cbk]
> 0-storage2-shard: Lookup on shard 1 failed. Base file gfid =
> 1494c083-a618-4eba-80a0-147e656dd9d0 [Input/output error]
> [2017-05-13 19:02:54.384922] I [MSGID: 108026]
> [afr-self-heal-metadata.c:52:__afr_selfheal_metadata_do]
> 0-storage2-replicate-2: performing metadata selfheal on
> fe651475-226e-42a3-be2d-751d4f58e383
> [2017-05-13 19:02:54.385894] W [MSGID: 114031] [client-rpc-fops.c:2258:client3_3_setattr_cbk]
> 0-storage2-client-8: remote operation failed [Operation not permitted]
> [2017-05-13 19:02:54.401187] I [MSGID: 108026]
> [afr-self-heal-common.c:1255:afr_log_selfheal] 0-storage2-replicate-2:
> Completed metadata selfheal on fe651475-226e-42a3-be2d-751d4f58e383.
> sources=[0] 1  sinks=
> [2017-05-13 19:02:57.830019] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.par2.tmp
> (hash=storage2-readdir-ahead-2/cache=storage2-readdir-ahead-2) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.par2
> (hash=storage2-readdir-ahead-0/cache=<nul>)
>
> [2017-05-13 19:08:22.014899] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.srr.tmp
> (hash=storage2-readdir-ahead-1/cache=storage2-readdir-ahead-1) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.srr
> (hash=storage2-readdir-ahead-1/cache=<nul>)
> [2017-05-13 19:08:22.463840] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r04.tmp
> (hash=storage2-readdir-ahead-2/cache=storage2-readdir-ahead-2) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r04
> (hash=storage2-readdir-ahead-0/cache=<nul>)
> [2017-05-13 19:08:22.769542] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r01.tmp
> (hash=storage2-readdir-ahead-2/cache=storage2-readdir-ahead-2) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r01
> (hash=storage2-readdir-ahead-0/cache=<nul>)
> [2017-05-13 19:08:23.141069] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.nfo.tmp
> (hash=storage2-readdir-ahead-1/cache=storage2-readdir-ahead-1) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.nfo
> (hash=storage2-readdir-ahead-0/cache=<nul>)
> [2017-05-13 19:08:23.468554] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r00.tmp
> (hash=storage2-readdir-ahead-0/cache=storage2-readdir-ahead-0) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r00
> (hash=storage2-readdir-ahead-2/cache=<nul>)
> [2017-05-13 19:08:23.671753] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.sfv.tmp
> (hash=storage2-readdir-ahead-2/cache=storage2-readdir-ahead-2) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.sfv
> (hash=storage2-readdir-ahead-2/cache=<nul>)
> [2017-05-13 19:08:23.812152] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r11.tmp
> (hash=storage2-readdir-ahead-0/cache=storage2-readdir-ahead-0) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r11
> (hash=storage2-readdir-ahead-1/cache=<nul>)
> [2017-05-13 19:08:24.244584] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r12.tmp
> (hash=storage2-readdir-ahead-0/cache=storage2-readdir-ahead-0) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r12
> (hash=storage2-readdir-ahead-1/cache=<nul>)
> [2017-05-13 19:08:24.711781] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r09.tmp
> (hash=storage2-readdir-ahead-1/cache=storage2-readdir-ahead-1) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r09
> (hash=storage2-readdir-ahead-1/cache=<nul>)
> [2017-05-13 19:08:25.029102] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r06.tmp
> (hash=storage2-readdir-ahead-0/cache=storage2-readdir-ahead-0) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r06
> (hash=storage2-readdir-ahead-0/cache=<nul>)
> [2017-05-13 19:08:25.206011] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r05.tmp
> (hash=storage2-readdir-ahead-0/cache=storage2-readdir-ahead-0) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r05
> (hash=storage2-readdir-ahead-0/cache=<nul>)
> [2017-05-13 19:08:25.467312] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r03.tmp
> (hash=storage2-readdir-ahead-1/cache=storage2-readdir-ahead-1) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r03
> (hash=storage2-readdir-ahead-1/cache=<nul>)
> [2017-05-13 19:08:25.726208] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r07.tmp
> (hash=storage2-readdir-ahead-0/cache=storage2-readdir-ahead-0) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r07
> (hash=storage2-readdir-ahead-0/cache=<nul>)
> [2017-05-13 19:08:25.860386] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.rar.tmp
> (hash=storage2-readdir-ahead-1/cache=storage2-readdir-ahead-1) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.rar
> (hash=storage2-readdir-ahead-1/cache=<nul>)
> [2017-05-13 19:09:00.803859] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r08.tmp
> (hash=storage2-readdir-ahead-2/cache=storage2-readdir-ahead-2) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r08
> (hash=storage2-readdir-ahead-0/cache=<nul>)
> [2017-05-13 19:09:01.826525] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r02.tmp
> (hash=storage2-readdir-ahead-2/cache=storage2-readdir-ahead-2) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r02
> (hash=storage2-readdir-ahead-2/cache=<nul>)
> [2017-05-13 19:09:02.531354] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Videos/Cinema/Bambi (1942)/.Bambi (1942).mkv.hp9oW8
> (hash=storage2-readdir-ahead-2/cache=storage2-readdir-ahead-2) =>
> /content/Videos/Cinema/Bambi (1942)/.nfsa223c532d51b3c7700000006
> (hash=storage2-readdir-ahead-2/cache=<nul>)
> [2017-05-13 19:09:39.695354] I [MSGID: 109066]
> [dht-rename.c:1608:dht_rename] 0-storage2-dht: renaming
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r10.tmp
> (hash=storage2-readdir-ahead-2/cache=storage2-readdir-ahead-2) =>
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r10
> (hash=storage2-readdir-ahead-2/cache=<nul>)
> [2017-05-13 19:10:59.938286] I [MSGID: 114024]
> [client-helpers.c:99:this_fd_set_ctx] 0-storage2-client-0:
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r11
> (7dcd980b-4f8b-4e0c-8fb9-1732d24f30f7): trying duplicate remote fd set.
> [2017-05-13 19:10:59.938510] I [MSGID: 114024]
> [client-helpers.c:99:this_fd_set_ctx] 0-storage2-client-6:
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r11
> (7dcd980b-4f8b-4e0c-8fb9-1732d24f30f7): trying duplicate remote fd set.
> [2017-05-13 19:10:59.939004] I [MSGID: 114024]
> [client-helpers.c:99:this_fd_set_ctx] 0-storage2-client-1:
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r11
> (7dcd980b-4f8b-4e0c-8fb9-1732d24f30f7): trying duplicate remote fd set.
> [2017-05-13 19:10:59.939246] E [shard.c:426:shard_modify_size_and_block_count]
> (-->/usr/lib64/glusterfs/3.10.1/xlator/cluster/distribute.so(+0x65df0)
> [0x7f8c49869df0] -->/usr/lib64/glusterfs/3.10.1/xlator/features/shard.so(+0xba6e)
> [0x7f8c495eca6e] -->/usr/lib64/glusterfs/3.10.1/xlator/features/shard.so(+0xb29b)
> [0x7f8c495ec29b] ) 0-storage2-shard: Failed to get
> trusted.glusterfs.shard.file-size for 7dcd980b-4f8b-4e0c-8fb9-1732d24f30f7
> [2017-05-13 19:11:01.884482] I [MSGID: 114024]
> [client-helpers.c:99:this_fd_set_ctx] 0-storage2-client-1:
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r12
> (2b3e3ab2-ba6a-4ad3-af25-fb0205f5d99e): trying duplicate remote fd set.
> [2017-05-13 19:11:01.884482] I [MSGID: 114024]
> [client-helpers.c:99:this_fd_set_ctx] 0-storage2-client-0:
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r12
> (2b3e3ab2-ba6a-4ad3-af25-fb0205f5d99e): trying duplicate remote fd set.
> [2017-05-13 19:11:01.884557] I [MSGID: 114024]
> [client-helpers.c:99:this_fd_set_ctx] 0-storage2-client-6:
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r12
> (2b3e3ab2-ba6a-4ad3-af25-fb0205f5d99e): trying duplicate remote fd set.
> [2017-05-13 19:11:01.884918] E [shard.c:426:shard_modify_size_and_block_count]
> (-->/usr/lib64/glusterfs/3.10.1/xlator/cluster/distribute.so(+0x65df0)
> [0x7f8c49869df0] -->/usr/lib64/glusterfs/3.10.1/xlator/features/shard.so(+0xba6e)
> [0x7f8c495eca6e] -->/usr/lib64/glusterfs/3.10.1/xlator/features/shard.so(+0xb29b)
> [0x7f8c495ec29b] ) 0-storage2-shard: Failed to get
> trusted.glusterfs.shard.file-size for 2b3e3ab2-ba6a-4ad3-af25-fb0205f5d99e
> [2017-05-13 19:11:05.136517] I [MSGID: 114024]
> [client-helpers.c:99:this_fd_set_ctx] 0-storage2-client-0:
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r00
> (b2745d17-1972-4738-afa9-22e9597fa787): trying duplicate remote fd set.
> [2017-05-13 19:11:05.136518] I [MSGID: 114024]
> [client-helpers.c:99:this_fd_set_ctx] 0-storage2-client-1:
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r00
> (b2745d17-1972-4738-afa9-22e9597fa787): trying duplicate remote fd set.
> [2017-05-13 19:11:05.136648] I [MSGID: 114024]
> [client-helpers.c:99:this_fd_set_ctx] 0-storage2-client-6:
> /content/Downloads/incomplete/usenet/Attack.on.Titan.S02E05.
> 720p.WEB.x264-ANiURL.#27/aniurl-aot.s02e05.720p.web.r00
> (b2745d17-1972-4738-afa9-22e9597fa787): trying duplicate remote fd set.
> [2017-05-13 19:11:05.136871] E [shard.c:426:shard_modify_size_and_block_count]
> (-->/usr/lib64/glusterfs/3.10.1/xlator/cluster/distribute.so(+0x65df0)
> [0x7f8c49869df0] -->/usr/lib64/glusterfs/3.10.1/xlator/features/shard.so(+0xba6e)
> [0x7f8c495eca6e] -->/usr/lib64/glusterfs/3.10.1/xlator/features/shard.so(+0xb29b)
> [0x7f8c495ec29b] ) 0-storage2-shard: Failed to get
> trusted.glusterfs.shard.file-size for b2745d17-1972-4738-afa9-22e9597fa787
>
>
> -ben
>
> On Fri, May 12, 2017 at 11:46 PM, Benjamin Kingston <ben at nexusnebula.net>
> wrote:
>
>>
>> Hello all,
>>
>> I'm trying to take advantage of the shard xlator, however I've found it
>> causes a lot of issues that I hope is easily resolvable
>>
>> 1) large file operations work well (copy file from folder a to folder b
>> 2) seek operations and list operations frequently fail (ls directory,
>> read bytes xyz at offset 235567)
>> 3) Another issue is samba shares through samba-vfs show all files as 4MB,
>> I've also seen this when mounting with fuse, however nfs-ganesha reflects
>> correct file sizes always-
>>
>>
>> Turning off the shard feature resolves this issue for new files created
>> in the volume. mounted using the gluster fuse mount
>>
>> here's my volume settings, please let me know if there's some changes I
>> can make.
>>
>> Volume Name: storage2
>> Type: Distributed-Replicate
>> Volume ID: adaabca5-25ed-4e7f-ae86-2f20fc0143a8
>> Status: Started
>> Snapshot Count: 0
>> Number of Bricks: 3 x (2 + 1) = 9
>> Transport-type: tcp
>> Bricks:
>> Brick1: fd00:0:0:3::6:/mnt/gluster/storage/brick0/glusterfs2
>> Brick2: fd00:0:0:3::8:/mnt/gluster/storage/brick0/glusterfs2
>> Brick3: fd00:0:0:3::10:/mnt/gluster/storage/brick0/glusterfs (arbiter)
>> Brick4: fd00:0:0:3::6:/mnt/gluster/storage/brick1/glusterfs2
>> Brick5: fd00:0:0:3::8:/mnt/gluster/storage/brick1/glusterfs2
>> Brick6: fd00:0:0:3::10:/mnt/gluster/storage/brick1/glusterfs (arbiter)
>> Brick7: fd00:0:0:3::6:/mnt/gluster/storage/brick2/glusterfs2
>> Brick8: fd00:0:0:3::8:/mnt/gluster/storage/brick2/glusterfs2
>> Brick9: fd00:0:0:3::10:/mnt/gluster/storage/brick2/glusterfs (arbiter)
>> Options Reconfigured:
>> features.ctr-enabled: on
>> features.shard-block-size: 4MB
>> network.inode-lru-limit: 90000
>> features.cache-invalidation: on
>> performance.readdir-ahead: on
>> client.event-threads: 3
>> performance.cache-ima-xattrs: on
>> cluster.data-self-heal-algorithm: diff
>> network.remote-dio: disable
>> cluster.use-compound-fops: on
>> cluster.read-freq-threshold: 2
>> cluster.write-freq-threshold: 2
>> features.record-counters: on
>> disperse.shd-max-threads: 4
>> performance.parallel-readdir: on
>> performance.client-io-threads: on
>> server.event-threads: 3
>> cluster.lookup-optimize: on
>> performance.open-behind: on
>> performance.stat-prefetch: on
>> performance.quick-read: off
>> performance.io-cache: on
>> performance.read-ahead: off
>> performance.write-behind: on
>> features.scrub: Active
>> features.bitrot: on
>> features.leases: on
>> features.shard: off
>> transport.address-family: inet6
>> nfs.disable: on
>> server.allow-insecure: on
>> cluster.shd-max-threads: 8
>> performance.low-prio-threads: 32
>> cluster.locking-scheme: granular
>> cluster.shd-wait-qlength: 10000
>> user.cifs: off
>> cluster.eager-lock: enable
>> cluster.quorum-type: auto
>> cluster.server-quorum-type: server
>> cluster.tier-compact: on
>> storage.linux-aio: on
>> transport.keepalive: on
>> performance.write-behind-window-size: 2GB
>> performance.flush-behind: on
>> performance.cache-size: 1GB
>> cluster.choose-local: on
>> performance.io-thread-count: 64
>> cluster.brick-multiplex: off
>> cluster.enable-shared-storage: enable
>> nfs-ganesha: enable
>>
>
>
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