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Full Discussion: VCS heartbeat
Operating Systems Solaris VCS heartbeat Post 302331282 by incredible on Sunday 5th of July 2009 11:24:17 AM
Old 07-05-2009
A week back one of the nodes dropped to single user all of a sudden. No helpful messages or logs were captured. esc case to Sun, Veritas but they informed they could find nothing wrong. At that time, I did not check on the heartbeat. Only came across when I had to do patching activity on the nodes yesterday. That's why Im suspecting whether this was the reason that caused the one of the node to go down....
 

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CRM_UUID(8)							  [FIXME: manual]						       CRM_UUID(8)

NAME
crm_uuid - get a node's UUID SYNOPSIS
crm_uuid [-w|-r] DESCRIPTION
UUIDs are used to identify cluster nodes to ensure that they can always be uniquely identified. The crm_uuid command displays and modifies the UUID of the node on which it is run. When Heartbeat is first started on a node, it creates a UUID (in binary form) in /var/lib/heartbeat/hb_uuid. This file can be read and written by means of crm_uuid. Note There are very rare circumstances when crm_uuid should be used to modify the UUID file. The most common is when it is necessary to set a node's UUID to a known value when creating a new cluster. OPTIONS
--write, -w Write a UUID value to the /var/lib/heartbeat/hb_uuid file. Warning Use the -w option with care, because it creates a new UUID value for the node on which it is run. Various scripts across the cluster might still use the old value, causing the cluster to fail because the node is no longer associated with the old UUID value. Do not change the UUID unless you changed all references to it as well. --read, -r Read the UUID value and print it to stdout. SEE ALSO
/var/lib/heartbeat/hb_uuid AUTHOR
crm_uuid was written by Andrew Beekhof. [FIXME: source] 07/05/2010 CRM_UUID(8)
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