On Mon, 2011-04-04 at 13:38 -0500, Neil Aggarwal wrote:

> 
> crm configure primitive ClusterIP ocf:heartbeat:IPaddr2 \
> params ip=192.168.9.101 cidr_netmask=32 \
> op monitor interval=30s
> 
> Does that mean heartbeat is being used to detect
> when to move the IP address to the standby server?

Heartbeat is only used to detect situations that require a complete
failover of all resources, i.e. to make sure the other node(s) is still
up and running the cluster software. It is Pacemaker's job to monitor
individual resources and move/restart them if necessary.

This may be a bit oversimplified and I'm sure the cluster guys will jump
in and correct this if I said something wrong.

--Greg



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