Estou executando o GlusterFS usando 2 servidores (ST0 e ST1) e 1 cliente (STC), e o nome do volume é rep-volume.
Eu naveguei na Internet e li todos os artigos explicando como corrigir problemas de montagem, mas infelizmente nada poderia me ajudar.
A primeira vez que usei o seguinte comando, funcionou perfeitamente e eu tinha acesso de gravação:
$ mount.glusterfs ST0:/rep-volume /mnt/replica/
Mas depois de reiniciar o cliente, não consigo montá-lo novamente, aqui está o resultado:
$ mount.glusterfs ST0:/rep-volume /mnt/replica/
Mount failed. Please check the log file for more details.
O arquivo de log é mostrado abaixo:
$ cat /var/log/glusterfs/mnt-replica.log
[2016-09-25 04:54:12.438020] I [MSGID: 100030] [glusterfsd.c:2408:main] 0-/usr/sbin/glusterfs: Started running /usr/sbin/glusterfs version 3.8.4 (args: /usr/sbin/glusterfs --volfile-server=ST0 --volfile-id=/rep-volume /mnt/replica)
[2016-09-25 04:54:12.444256] I [MSGID: 101190] [event-epoll.c:628:event_dispatch_epoll_worker] 0-epoll: Started thread with index 1
[2016-09-25 04:54:12.449300] I [MSGID: 101190] [event-epoll.c:628:event_dispatch_epoll_worker] 0-epoll: Started thread with index 2
[2016-09-25 04:54:12.449704] I [MSGID: 114020] [client.c:2356:notify] 0-rep-volume-client-0: parent translators are ready, attempting connect on transport
[2016-09-25 04:54:12.451504] I [MSGID: 114020] [client.c:2356:notify] 0-rep-volume-client-1: parent translators are ready, attempting connect on transport
[2016-09-25 04:54:12.451861] I [rpc-clnt.c:1947:rpc_clnt_reconfig] 0-rep-volume-client-0: changing port to 49152 (from 0)
Final graph:
+------------------------------------------------------------------------------+
1: volume rep-volume-client-0
2: type protocol/client
3: option ping-timeout 42
4: option remote-host ST0
5: option remote-subvolume /replica1
6: option transport-type socket
7: option transport.address-family inet
8: option send-gids true
9: end-volume
10:
11: volume rep-volume-client-1
12: type protocol/client
13: option ping-timeout 42
14: option remote-host ST1
15: option remote-subvolume /replica2
16: option transport-type socket
17: option transport.address-family inet
18: option send-gids true
19: end-volume
20:
21: volume rep-volume-replicate-0
22: type cluster/replicate
23: subvolumes rep-volume-client-0 rep-volume-client-1
24: end-volume
25:
26: volume rep-volume-dht
27: type cluster/distribute
28: option lock-migration off
29: subvolumes rep-volume-replicate-0
30: end-volume
31:
32: volume rep-volume-write-behind
33: type performance/write-behind
34: subvolumes rep-volume-dht
35: end-volume
36:
37: volume rep-volume-read-ahead
38: type performance/read-ahead
39: subvolumes rep-volume-write-behind
40: end-volume
41:
42: volume rep-volume-readdir-ahead
43: type performance/readdir-ahead
44: subvolumes rep-volume-read-ahead
45: end-volume
46:
47: volume rep-volume-io-cache
48: type performance/io-cache
49: subvolumes rep-volume-readdir-ahead
50: end-volume
51:
52: volume rep-volume-quick-read
53: type performance/quick-read
54: subvolumes rep-volume-io-cache
55: end-volume
56:
57: volume rep-volume-open-behind
58: type performance/open-behind
59: subvolumes rep-volume-quick-read
60: end-volume
61:
62: volume rep-volume-md-cache
63: type performance/md-cache
64: subvolumes rep-volume-open-behind
65: end-volume
66:
67: volume rep-volume
68: type debug/io-stats
69: option log-level INFO
70: option latency-measurement off
71: option count-fop-hits off
72: subvolumes rep-volume-md-cache
73: end-volume
74:
75: volume meta-autoload
76: type meta
77: subvolumes rep-volume
78: end-volume
79:
+------------------------------------------------------------------------------+
[2016-09-25 04:54:12.453806] I [rpc-clnt.c:1947:rpc_clnt_reconfig] 0-rep-volume-client-1: changing port to 49152 (from 0)
[2016-09-25 04:54:12.455009] I [MSGID: 114057] [client-handshake.c:1446:select_server_supported_programs] 0-rep-volume-client-0: Using Program GlusterFS 3.3, Num (1298437), Version (330)
[2016-09-25 04:54:12.455225] W [MSGID: 114043] [client-handshake.c:1111:client_setvolume_cbk] 0-rep-volume-client-0: failed to set the volume [Permission denied]
[2016-09-25 04:54:12.455239] W [MSGID: 114007] [client-handshake.c:1140:client_setvolume_cbk] 0-rep-volume-client-0: failed to get 'process-uuid' from reply dict [Invalid argument]
[2016-09-25 04:54:12.455243] E [MSGID: 114044] [client-handshake.c:1146:client_setvolume_cbk] 0-rep-volume-client-0: SETVOLUME on remote-host failed [Permission denied]
[2016-09-25 04:54:12.455256] I [MSGID: 114049] [client-handshake.c:1249:client_setvolume_cbk] 0-rep-volume-client-0: sending AUTH_FAILED event
[2016-09-25 04:54:12.455270] E [fuse-bridge.c:5318:notify] 0-fuse: Server authenication failed. Shutting down.
[2016-09-25 04:54:12.455278] I [fuse-bridge.c:5793:fini] 0-fuse: Unmounting '/mnt/replica'.
[2016-09-25 04:54:12.456149] W [glusterfsd.c:1286:cleanup_and_exit] (-->/lib64/libpthread.so.0(+0x7dc5) [0x7f039192adc5] -->/usr/sbin/glusterfs(glusterfs_sigwaiter+0xe5) [0x7f0392fbec45] -->/usr/sbin/glusterfs(cleanup_and_exit+0x6b) [0x7f0392fbeabb] ) 0-: received signum (15), shutting down
Aqui está a informação do volume gluster no Servidor1 (ST0):
ST0: ~ root # gluster volume info
Volume Name: rep-volume
Type: Replicate
Volume ID: 566324fc-668b-48cb-a3ee-0f9830cb03e0
Status: Started
Snapshot Count: 0
Number of Bricks: 1 x 2 = 2
Transport-type: tcp
Bricks:
Brick1: ST0:/replica1
Brick2: ST1:/replica2
Options Reconfigured:
nfs.disable: on
performance.readdir-ahead: on
transport.address-family: inet
auth.allow: STC
Ficarei muito grato se alguém puder me ajudar. Obrigado.
ATUALIZAÇÃO:
A resposta do @FarazX foi realmente útil e resolveu meu problema, mas ainda estou interessado em descobrir o motivo pelo qual essa condição funcionou enquanto eu fazia o mesmo no servidor do Cliente (sem sucesso) ? Eu li muitas coisas no bugzilla.redhat.com, mas o motivo ainda é um pouco vago para mim.