红帽集群套件RHCS四部曲（测试篇）

作者佚名技术来源 Linux系统浏览发布时间 2012-03-30

EM] position [3] member 192.168.12.240:
Aug 24 01:10:51 web1 openais[2755]: [TOTEM] previous ring seq 3016 rep 192.168.12.240
Aug 24 01:10:51 web1 openais[2755]: [TOTEM] aru c high delivered c received flag 1
Aug 24 01:10:51 web1 openais[2755]: [TOTEM] Did not need to originate any messages in recovery.
Aug 24 01:10:51 web1 openais[2755]: [TOTEM] Sending initial ORF token
Aug 24 01:10:51 web1 openais[2755]: [CLM ] CLM CONFIGURATION CHANGE
Aug 24 01:10:51 web1 openais[2755]: [CLM ] New Configuration:
Aug 24 01:10:51 web1 openais[2755]: [CLM ] r(0) ip(192.168.12.230)
Aug 24 01:10:51 web1 openais[2755]: [CLM ] r(0) ip(192.168.12.231)
Aug 24 01:10:51 web1 openais[2755]: [CLM ] r(0) ip(192.168.12.232)
Aug 24 01:10:51 web1 openais[2755]: [CLM ] Members Left:
Aug 24 01:10:51 web1 openais[2755]: [CLM ] Members Joined:
Aug 24 01:10:51 web1 openais[2755]: [CLM ] CLM CONFIGURATION CHANGE
Aug 24 01:10:51 web1 openais[2755]: [CLM ] New Configuration:
Aug 24 01:10:51 web1 openais[2755]: [CLM ] r(0) ip(192.168.12.230)
Aug 24 01:10:51 web1 openais[2755]: [CLM ] r(0) ip(192.168.12.231)
Aug 24 01:10:51 web1 openais[2755]: [CLM ] r(0) ip(192.168.12.232)
Aug 24 01:10:51 web1 openais[2755]: [CLM ] r(0) ip(192.168.12.240)
Aug 24 01:10:51 web1 openais[2755]: [CLM ] Members Left:
Aug 24 01:10:51 web1 openais[2755]: [CLM ] Members Joined:
Aug 24 01:10:51 web1 openais[2755]: [CLM ] r(0) ip(192.168.12.240)
Aug 24 01:10:51 web1 openais[2755]: [SYNC ] This node is within the primary component and will provide service.
Aug 24 01:10:51 web1 openais[2755]: [TOTEM] entering OPERATIONAL state.
Aug 24 01:10:51 web1 openais[2755]: [CLM ] got nodejoin message 192.168.12.230
Aug 24 01:10:51 web1 openais[2755]: [CLM ] got nodejoin message 192.168.12.231
Aug 24 01:10:51 web1 openais[2755]: [CLM ] got nodejoin message 192.168.12.232
Aug 24 01:10:51 web1 openais[2755]: [CLM ] got nodejoin message 192.168.12.240
Aug 24 01:10:51 web1 openais[2755]: [CPG ] got joinlist message from node 3
Aug 24 01:10:51 web1 openais[2755]: [CPG ] got joinlist message from node 4
Aug 24 01:10:51 web1 openais[2755]: [CPG ] got joinlist message from node 2
Aug 24 01:10:55 web1 kernel: dlm: connecting to 1
从输出可知,重新启动节点web2后,openais底层通信进程检测到web2节点已经激活,并且将web2重新加入集群中,请重点查看日志中斜体部分.

（2）节点web2异常宕机
在节点web2上执行如下命令,让内核崩溃：
[root@web2 ~]#echo c>/proc/sysrq-trigger
然后在节点Mysql1上查看/var/log/messages日志,信息如下：
Aug 24 02:26:16 Mysql1 openais[2649]: [TOTEM] entering GATHER state from 12.
Aug 24 02:26:28 Mysql1 qdiskd[2672]: <notice> Node 1 evicted
Aug 24 02:26:36 Mysql1 openais[2649]: [TOTEM] entering GATHER state from 11.
Aug 24 02:26:36 Mysql1 openais[2649]: [TOTEM] Saving state aru 78 high seq received 78
Aug 24 02:26:36 Mysql1 openais[2649]: [TOTEM] Storing new sequence id for ring bd0
Aug 24

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