[Pacemaker] Centos 6.2 corosync errors after reboot prevent joining

[Martin de Koning]

Hi all,

Reasonably new to pacemaker and having some issues with corosync loading
the pacemaker plugin after a reboot of the node. It looks like similar
issues have been posted before but I haven't found a relavent fix.

The Centos 6.2 node was online before the reboot and restarting the
corosync and pacemaker services caused no issues. Since the reboot and
subsequent reboots, I am unable to get pacemaker to join the cluster.

After the reboot corosync now reports the following:
Jul  2 17:56:22 sessredis-03 corosync[1644]:   [pcmk  ] WARN:
route_ais_message: Sending message to local.cib failed: ipc delivery failed
(rc=-2)
Jul  2 17:56:22 sessredis-03 corosync[1644]:   [pcmk  ] WARN:
route_ais_message: Sending message to local.cib failed: ipc delivery failed
(rc=-2)
Jul  2 17:56:22 sessredis-03 corosync[1644]:   [pcmk  ] WARN:
route_ais_message: Sending message to local.cib failed: ipc delivery failed
(rc=-2)
Jul  2 17:56:22 sessredis-03 corosync[1644]:   [pcmk  ] WARN:
route_ais_message: Sending message to local.cib failed: ipc delivery failed
(rc=-2)
Jul  2 17:56:22 sessredis-03 corosync[1644]:   [pcmk  ] WARN:
route_ais_message: Sending message to local.cib failed: ipc delivery failed
(rc=-2)
Jul  2 17:56:22 sessredis-03 corosync[1644]:   [pcmk  ] WARN:
route_ais_message: Sending message to local.crmd failed: ipc delivery
failed (rc=-2)

The full syslog is here:
http://pastebin.com/raw.php?i=f9eBuqUh

corosync-1.4.1-4.el6_2.3.x86_64
pacemaker-1.1.6-3.el6.x86_64

I have checked the the obvious such as inter-cluster communication and
firewall rules. It appears to me that there may be an issue with the with
Pacemaker cluster information base and not corosync. Any ideas? Can I clear
the CIB manually somehow to resolve this?

Cheers
Martin
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