现象: 部分vm read only ,其上应用无法访问
1 、 glusterfs 客户端 /var/log/gluster/mnt-instances.log
[client-handshake.c:1411:client_setvolume_cbk] 2-vol2-client-0: Connected to 172.18.16.201:49171, attached to remote volume
client-handshake.c:126:rpc_client_ping_timer_expired] 2-vol2-client-0: server 172.18.16.201:49171 has not responded in the last 42 seconds, disconnecting.
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2、在计算节点 mount -a
3、重启上述出问题vm,解决问题。