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How to troubleshooting "Node has core file"

Question asked by viadea on Feb 25, 2012
Latest reply on Feb 26, 2012 by viadea
My cluster(Redhat EL5) reported "NODE_ALARM_CORE_PRESENT raised, for node mdw, Node has core file(s)".

I've checked /var/crash and there is no cores.

Is there any logs to indicate the reason  of the core and where is the core?
Anything we can do to troubleshooting it?