Comment 5 for bug 1348839

There was a rabbitmq cluster issues also
2014-07-30T03:25:46.822889 node-4 ./node-4.test.domain.local/rabbitmq-server.log:2014-07-30T03:25:46.822889+01:00 err: ERROR: Resetting node 'rabbit
@node-4' ... Error: {corrupt_or_missing_cluster_files,{error,enoent},{error,enoent}}
2014-07-30T03:25:46.824226 node-4 ./node-4.test.domain.local/rabbitmq-server.log:2014-07-30T03:25:46.824226+01:00 err: ERROR: Forcefully resetting n
ode 'rabbit@node-4' ... Error: {corrupt_or_missing_cluster_files,{error,enoent},{error,enoent}}
2014-07-30T03:25:46.824226 node-4 ./node-4.test.domain.local/rabbitmq-server.log:2014-07-30T03:25:46.824226+01:00 err: ERROR: Mnesia couldn't cleane
d, even by force-reset command.

rca looks like a c nnectivity issues at corosync layer of logic due to its high cpu load?
Here could be a good job for fencing :)