volume files in gluster

===================================
# ls /var/lib/glusterd/vols/tv1/*.vol -l
/var/lib/glusterd/vols/tv1/trusted-tv1.tcp-fuse.vol     //client volume file (1)

/var/lib/glusterd/vols/tv1/tv1.tcp-fuse.vol     //client volume file

/var/lib/glusterd/vols/tv1/tv1.gfvm3.opt-volume_test-tv_1-b1.vol        //server volume file (2)

/var/lib/glusterd/vols/tv1/tv1.gfvm3.opt-volume_test-tv_1-b2.vol        //server volume file

/var/lib/glusterd/vols/tv1/tv1-rebalance.vol    //rebalance volume file (3)
===================================
(1)

/var/lib/glusterd/vols/tv1/trusted-tv1.tcp-fuse.vol
/var/lib/glusterd/vols/tv1/tv1.tcp-fuse.vol
 ==> both are quite similar except username and password present in trusted.


volume tv1-client-0
    type protocol/client
    option send-gids true
    option password c841565a-f1fc-4ffb-bb1c-2f5a0939c434
    option username f15ceb70-85fd-4be6-a084-757131d3bb0a
    option transport-type tcp
    option remote-subvolume /opt/volume_test/tv_1/b1
    option remote-host gfvm3
    option ping-timeout 42
end-volume

volume tv1-client-1
    type protocol/client
    option send-gids true
    option password c841565a-f1fc-4ffb-bb1c-2f5a0939c434
    option username f15ceb70-85fd-4be6-a084-757131d3bb0a
    option transport-type tcp
    option remote-subvolume /opt/volume_test/tv_1/b2
    option remote-host gfvm3
    option ping-timeout 42
end-volume

volume tv1-dht
    type cluster/distribute
    subvolumes tv1-client-0 tv1-client-1
end-volume

volume tv1-write-behind
    type performance/write-behind
    subvolumes tv1-dht
end-volume

volume tv1-read-ahead
    type performance/read-ahead
    subvolumes tv1-write-behind
end-volume

volume tv1-readdir-ahead
    type performance/readdir-ahead
    subvolumes tv1-read-ahead
end-volume

volume tv1-io-cache
    type performance/io-cache
    subvolumes tv1-readdir-ahead
end-volume

volume tv1-quick-read
    type performance/quick-read
    subvolumes tv1-io-cache
end-volume

volume tv1-open-behind
    type performance/open-behind
    subvolumes tv1-quick-read
end-volume

volume tv1-md-cache
    type performance/md-cache
    subvolumes tv1-open-behind
end-volume

volume tv1
    type debug/io-stats
    option count-fop-hits off
    option latency-measurement off
    option log-level INFO
    subvolumes tv1-md-cache
end-volume

-----------------------------------
(2) SERVER volume file

/var/lib/glusterd/vols/tv1/tv1.gfvm3.opt-volume_test-tv_1-b1.vol

[root@gfvm3 glusterfs]# cat /var/lib/glusterd/vols/tv1/tv1.gfvm3.opt-volume_test-tv_1-b1.vol
volume tv1-posix
    type storage/posix
    option volume-id 16a23423-2748-4541-9b17-787609bf72fb
    option directory /opt/volume_test/tv_1/b1
end-volume

volume tv1-trash
    type features/trash
    option trash-internal-op off
    option brick-path /opt/volume_test/tv_1/b1
    option trash-dir .trashcan
    subvolumes tv1-posix
end-volume

volume tv1-changetimerecorder
    type features/changetimerecorder
    option sql-db-wal-autocheckpoint 1000
    option sql-db-cachesize 1000
    option ctr-record-metadata-heat off
    option record-counters off
    option ctr-enabled off
    option record-entry on
    option ctr_lookupheal_inode_timeout 300
    option ctr_lookupheal_link_timeout 300
    option ctr_link_consistency off
    option record-exit off
    option db-path /opt/volume_test/tv_1/b1/.glusterfs/
    option db-name b1.db
    option hot-brick off
    option db-type sqlite3
    subvolumes tv1-trash
end-volume

volume tv1-changelog
    type features/changelog
    option changelog-barrier-timeout 120
    option changelog-dir /opt/volume_test/tv_1/b1/.glusterfs/changelogs
    option changelog-brick /opt/volume_test/tv_1/b1
    subvolumes tv1-changetimerecorder
end-volume

volume tv1-bitrot-stub
    type features/bitrot-stub
    option export /opt/volume_test/tv_1/b1
    subvolumes tv1-changelog
end-volume

volume tv1-access-control
    type features/access-control
    subvolumes tv1-bitrot-stub
end-volume

volume tv1-locks
    type features/locks
    subvolumes tv1-access-control
end-volume

volume tv1-upcall
    type features/upcall
    option cache-invalidation off
    subvolumes tv1-locks
end-volume

volume tv1-io-threads
    type performance/io-threads
    subvolumes tv1-upcall
end-volume

volume tv1-marker
    type features/marker
    option inode-quota off
    option quota off
    option gsync-force-xtime off
    option xtime off
    option quota-version 0
    option timestamp-file /var/lib/glusterd/vols/tv1/marker.tstamp
    option volume-uuid 16a23423-2748-4541-9b17-787609bf72fb
    subvolumes tv1-io-threads
end-volume

volume tv1-barrier
    type features/barrier
    option barrier-timeout 120
    option barrier disable
    subvolumes tv1-marker
end-volume

volume tv1-index
    type features/index
    option index-base /opt/volume_test/tv_1/b1/.glusterfs/indices
    subvolumes tv1-barrier
end-volume

volume tv1-quota
    type features/quota
    option deem-statfs off
    option timeout 0
    option server-quota off
    option volume-uuid tv1
    subvolumes tv1-index
end-volume

volume tv1-worm
    type features/worm
    option worm off
    subvolumes tv1-quota
end-volume

volume tv1-read-only
    type features/read-only
    option read-only off
    subvolumes tv1-worm
end-volume

volume /opt/volume_test/tv_1/b1
    type debug/io-stats
    option count-fop-hits off
    option latency-measurement off
    option log-level INFO
    subvolumes tv1-read-only
end-volume

volume tv1-server
    type protocol/server
    option auth.addr./opt/volume_test/tv_1/b1.allow *
    option auth.login.f15ceb70-85fd-4be6-a084-757131d3bb0a.password c841565a-f1fc-4ffb-bb1c-2f5a0939c434
    option auth.login./opt/volume_test/tv_1/b1.allow f15ceb70-85fd-4be6-a084-757131d3bb0a
    option transport-type tcp
    subvolumes /opt/volume_test/tv_1/b1
end-volume
[root@gfvm3 glusterfs]#

-----------------------------------
SERVER again
/var/lib/glusterd/vols/tv1/tv1.gfvm3.opt-volume_test-tv_1-b2.vol

-- Similar to above.
-----------------------------------
REBALANCE

/var/lib/glusterd/vols/tv1/tv1-rebalance.vol
[root@gfvm3 glusterfs]# cat /var/lib/glusterd/vols/tv1/tv1-rebalance.vol
volume tv1-client-0
    type protocol/client
    option password c841565a-f1fc-4ffb-bb1c-2f5a0939c434
    option username f15ceb70-85fd-4be6-a084-757131d3bb0a
    option transport-type tcp
    option remote-subvolume /opt/volume_test/tv_1/b1
    option remote-host gfvm3
    option ping-timeout 42
end-volume

volume tv1-client-1
    type protocol/client
    option password c841565a-f1fc-4ffb-bb1c-2f5a0939c434
    option username f15ceb70-85fd-4be6-a084-757131d3bb0a
    option transport-type tcp
    option remote-subvolume /opt/volume_test/tv_1/b2
    option remote-host gfvm3
    option ping-timeout 42
end-volume

volume tv1-dht
    type cluster/distribute
    subvolumes tv1-client-0 tv1-client-1
end-volume

volume tv1
    type debug/io-stats
    option count-fop-hits off
    option latency-measurement off
    option log-level INFO
    subvolumes tv1-dht
end-volume
[root@gfvm3 glusterfs]#
-----------------------------------
-----------------------------------------------------------------------
[root@gfvm3 glusterfs]# gluster volume info tv1

Volume Name: tv1
Type: Distribute
Volume ID: 16a23423-2748-4541-9b17-787609bf72fb
Status: Started
Number of Bricks: 2
Transport-type: tcp
Bricks:
Brick1: gfvm3:/opt/volume_test/tv_1/b1
Brick2: gfvm3:/opt/volume_test/tv_1/b2
Options Reconfigured:
performance.readdir-ahead: on
[root@gfvm3 glusterfs]#
-----------------------------------------------------------------------
[root@gfvm3 glusterfs]#
[root@gfvm3 glusterfs]# gluster volume status tv1
Status of volume: tv1
Gluster process                             TCP Port  RDMA Port  Online  Pid
------------------------------------------------------------------------------
Brick gfvm3:/opt/volume_test/tv_1/b1        49152     0          Y       1733
Brick gfvm3:/opt/volume_test/tv_1/b2        49153     0          Y       1753
NFS Server on localhost                     N/A       N/A        N       N/A 

Task Status of Volume tv1
------------------------------------------------------------------------------
There are no active volume tasks

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[root@gfvm3 glusterfs]# mount | grep tv1
gfvm3:/tv1 on /mnt/master type fuse.glusterfs (rw,relatime,user_id=0,group_id=0,default_permissions,allow_other,max_read=131072)
[root@gfvm3 glusterfs]#
-------------------------------------------------------------------------
[root@gfvm3 ~]# cat /usr/local/etc/glusterfs/glusterd.vol
volume management
    type mgmt/glusterd
    option working-directory /var/lib/glusterd
    option transport-type socket,rdma
    option transport.socket.keepalive-time 10
    option transport.socket.keepalive-interval 2
    option transport.socket.read-fail-log off
    option ping-timeout 0
    option event-threads 1
#   option base-port 49152
end-volume
[root@gfvm3 ~]#
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