Cluster node was upgraded to 5.3 to do a rolling upgrade. Rebooted the<br />
node after upgrade then try to join the 5.2 cluster.<br />
<br />
The 5.3 node will join and then it will leave the cluster after it joins.<br />
<br />
Since openais has died then everything else fails such as fenced,<br />
groupd. They will get failed to communicate or "cman_init" errors.<br />
<br />
See upstream bugs:<br />
<br />
<a href="https://bugzilla.redhat.com/show_bug.cgi?id=487214">https://bugzilla.redhat.com/show_bug.cgi?id=487214</a> [<a href="https://bugzilla.redhat.com/show_bug.cgi?id=487214" target="_blank">^</a>]<br />
<a href="https://bugzilla.redhat.com/show_bug.cgi?id=490307">https://bugzilla.redhat.com/show_bug.cgi?id=490307</a> [<a href="https://bugzilla.redhat.com/show_bug.cgi?id=490307" target="_blank">^</a>]
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