On Apr 22, 2010, at 1:24 PM, Stephen wrote:

> Anyone have any really good documentation on heartbeat, and how it
> works at hand, stuff they found particularly good reading?

http://people.linbit.com/~florian/heartbeat-users-guide/
http://www.linux-ha.org/
http://www.linux-ha.org/HaNFS (Since you mention storage, this is a  
good tutorial on providing NFS as an HA resource.)
http://www.clusterlabs.org/doc/en-US/Pacemaker/1.0/html/Pacemaker_Explained/

alex