...
+------------------------------------------------------------------------------+
[2018-09-11 11:12:23.660837] I [MSGID: 114046] [client-handshake.c:1213:client_setvolume_cbk] 0-engine-client-0: Connected to engine-client-0, attached to remote volume '/gluster/engine/brick'.
[2018-09-11 11:12:23.660847] I [MSGID: 114047] [client-handshake.c:1224:client_setvolume_cbk] 0-engine-client-0: Server and Client lk-version numbers are not same, reopening the fds
[2018-09-11 11:12:23.660901] I [MSGID: 108005] [afr-common.c:4007:afr_notify] 0-engine-replicate-0: Subvolume 'engine-client-0' came back up; going online.
[2018-09-11 11:12:23.660950] I [MSGID: 114035] [client-handshake.c:193:client_set_lk_version_cbk] 0-engine-client-0: Server lk version = 1
[2018-09-11 11:12:23.661295] I [rpc-clnt.c:1868:rpc_clnt_reconfig] 0-engine-client-2: changing port to 49152 (from 0)
[2018-09-11 11:12:23.663593] I [MSGID: 114057] [client-handshake.c:1437:select_server_supported_programs] 0-engine-client-1: Using Program GlusterFS 3.3, Num (1298437), Version (330)
[2018-09-11 11:12:23.663932] I [MSGID: 114046] [client-handshake.c:1213:client_setvolume_cbk] 0-engine-client-1: Connected to engine-client-1, attached to remote volume '/gluster/engine/brick'.
[2018-09-11 11:12:23.663944] I [MSGID: 114047] [client-handshake.c:1224:client_setvolume_cbk] 0-engine-client-1: Server and Client lk-version numbers are not same, reopening the fds
[2018-09-11 11:12:23.664098] I [MSGID: 114035] [client-handshake.c:193:client_set_lk_version_cbk] 0-engine-client-1: Server lk version = 1
[2018-09-11 11:12:23.665595] I [MSGID: 114057] [client-handshake.c:1437:select_server_supported_programs] 0-engine-client-2: Using Program GlusterFS 3.3, Num (1298437), Version (330)
[2018-09-11 11:12:23.666015] I [MSGID: 114046] [client-handshake.c:1213:client_setvolume_cbk] 0-engine-client-2: Connected to engine-client-2, attached to remote volume '/gluster/engine/brick'.
[2018-09-11 11:12:23.666026] I [MSGID: 114047] [client-handshake.c:1224:client_setvolume_cbk] 0-engine-client-2: Server and Client lk-version numbers are not same, reopening the fds
[2018-09-11 11:12:23.669658] I [fuse-bridge.c:5156:fuse_graph_setup] 0-fuse: switched to graph 0
[2018-09-11 11:12:23.669730] I [MSGID: 114035] [client-handshake.c:193:client_set_lk_version_cbk] 0-engine-client-2: Server lk version = 1
[2018-09-11 11:12:23.669877] I [fuse-bridge.c:4067:fuse_init] 0-glusterfs-fuse: FUSE inited with protocol versions: glusterfs 7.22 kernel 7.22
[2018-09-11 11:12:23.671052] I [MSGID: 108031] [afr-common.c:1900:afr_local_discovery_cbk] 0-engine-replicate-0: selecting local read_child engine-client-0
[2018-09-11 11:12:58.290960] I [fuse-bridge.c:4997:fuse_thread_proc] 0-fuse: unmounting /rhev/data-center/mnt/glusterSD/glustermount.asterix:_engine
[2018-09-11 11:12:58.291759] W [glusterfsd.c:1251:cleanup_and_exit] (-->/lib64/libpthread.so.0(+0x7dc5) [0x7fccc7e8bdc5] -->/usr/sbin/glusterfs(glusterfs_sigwaiter+0xe5) [0x7fccc94f68b5] -->/usr/sbin/glusterfs(cleanup_and_exit+0x69) [0x7fccc94f6739] ) 0-: received signum (15), shutting down
[2018-09-11 11:12:58.291779] I [fuse-bridge.c:5704:fini] 0-fuse: Unmounting '/rhev/data-center/mnt/glusterSD/glustermount.asterix:_engine'.
[2018-09-11 11:12:58.916221] I [MSGID: 100030] [glusterfsd.c:2332:main] 0-/usr/sbin/glusterfs: Started running /usr/sbin/glusterfs version 3.7.11 (args: /usr/sbin/glusterfs --volfile-server=glustermount.asterix --volfile-server=glustermount.obelix --volfile-server=glustermount.getafix --volfile-id=/engine /rhev/data-center/mnt/glusterSD/glustermount.asterix:_engine)
[2018-09-11 11:12:58.924453] I [MSGID: 101190] [event-epoll.c:632:event_dispatch_epoll_worker] 0-epoll: Started thread with index 1
[2018-09-11 11:12:58.932135] I [MSGID: 101190] [event-epoll.c:632:event_dispatch_epoll_worker] 0-epoll: Started thread with index 2
[2018-09-11 11:12:58.932749] I [MSGID: 114020] [client.c:2106:notify] 0-engine-client-0: parent translators are ready, attempting connect on transport
[2018-09-11 11:12:58.934853] I [MSGID: 114020] [client.c:2106:notify] 0-engine-client-1: parent translators are ready, attempting connect on transport
[2018-09-11 11:12:58.935059] I [rpc-clnt.c:1868:rpc_clnt_reconfig] 0-engine-client-0: changing port to 49152 (from 0)
[2018-09-11 11:12:58.936823] I [MSGID: 114020] [client.c:2106:notify] 0-engine-client-2: parent translators are ready, attempting connect on transport
[2018-09-11 11:12:58.938984] I [MSGID: 114057] [client-handshake.c:1437:select_server_supported_programs] 0-engine-client-0: Using Program GlusterFS 3.3, Num (1298437), Version (330)
[2018-09-11 11:12:58.939206] I [rpc-clnt.c:1868:rpc_clnt_reconfig] 0-engine-client-1: changing port to 49152 (from 0)
Final graph:
+------------------------------------------------------------------------------+
  1: volume engine-client-0
  2:     type protocol/client
  3:     option clnt-lk-version 1
  4:     option volfile-checksum 0
  5:     option volfile-key /engine
  6:     option client-version 3.7.11
  7:     option process-uuid asterix.csirt.ac.za-106770-2018/09/11-11:12:58:912410-engine-client-0-0-0
  8:     option fops-version 1298437
  9:     option ping-timeout 10
 10:     option remote-host glustermount.asterix
 11:     option remote-subvolume /gluster/engine/brick
 12:     option transport-type socket
 13:     option username d919e79e-3fa0-44e9-a5fa-ee8ffc3857e7
 14:     option password 167e6a8c-3913-438c-8ca0-2fe07c051150
 15:     option filter-O_DIRECT enable
 16:     option send-gids true
 17: end-volume
 18:
 19: volume engine-client-1
 20:     type protocol/client
 21:     option ping-timeout 10
 22:     option remote-host glustermount.obelix
 23:     option remote-subvolume /gluster/engine/brick
 24:     option transport-type socket
 25:     option username d919e79e-3fa0-44e9-a5fa-ee8ffc3857e7
 26:     option password 167e6a8c-3913-438c-8ca0-2fe07c051150
 27:     option filter-O_DIRECT enable
 28:     option send-gids true
 29: end-volume
 30:
 31: volume engine-client-2
 32:     type protocol/client
 33:     option ping-timeout 10
 34:     option remote-host glustermount.getafix
 35:     option remote-subvolume /gluster/engine/brick
 36:     option transport-type socket
 37:     option username d919e79e-3fa0-44e9-a5fa-ee8ffc3857e7
 38:     option password 167e6a8c-3913-438c-8ca0-2fe07c051150
 39:     option filter-O_DIRECT enable
 40:     option send-gids true
 41: end-volume
 42:
 43: volume engine-replicate-0
 44:     type cluster/replicate
 45:     option eager-lock enable
 46:     option quorum-type auto
 47:     subvolumes engine-client-0 engine-client-1 engine-client-2
 48: end-volume
 49:
 50: volume engine-dht
 51:     type cluster/distribute
 52:     subvolumes engine-replicate-0
 53: end-volume
 54:
 55: volume engine-write-behind
 56:     type performance/write-behind
 57:     subvolumes engine-dht
 58: end-volume
 59:
 60: volume engine-readdir-ahead
 61:     type performance/readdir-ahead
 62:     subvolumes engine-write-behind
 63: end-volume
 64:
 65: volume engine-open-behind
 66:     type performance/open-behind
 67:     subvolumes engine-readdir-ahead
 68: end-volume
 69:
 70: volume engine
 71:     type debug/io-stats
 72:     option log-level INFO
 73:     option latency-measurement off
 74:     option count-fop-hits off
 75:     subvolumes engine-open-behind
 76: end-volume
 77:
 78: volume meta-autoload
 79:     type meta
 80:     subvolumes engine
 81: end-volume
 82:
+------------------------------------------------------------------------------+
...