Hi guys, I'm having a hard time finding the info I need to configure pacemaker from an input file. I've been using Zookeeper a lot in our application tier, so I'm familiar with clusters, however I'm struggling to adapt that knowledge to the pacemaker configuration.
Here is an overview of our cluster. OS: Ubuntu 10.10 Server 64 bit Environment: Amazon EC2 Pacemaker Stack: heartbeat using unicast and pacemaker from the Ubuntu package 1 Online node, 2 Standby nodes. All nodes are true peers, so there is no weight should be given to any nodes. I have heartbeat up and running. This is the output from my crm_mon -1 command. ============ Last updated: Thu Jan 13 22:00:55 2011 Stack: Heartbeat Current DC: ip-10-160-58-200 (79170a75-1b64-43c8-80a1-ff4f490149e5) - partition with quorum Version: 1.0.8-042548a451fce8400660f6031f4da6f0223dd5dd 3 Nodes configured, unknown expected votes 0 Resources configured. ============ Online: [ ip-10-160-138-192 ip-10-160-233-27 ip-10-160-58-200 ] Now I need to perform the following. Only 1 node is running these services at a time, the other two do not have these services running. I need to check our public IP, which can be configured from chef. On Start start haproxy start stunnel execute custom script to switch our amazon ec2 ip to the node running on stop stop haproxy stop stunnel Another caveat. I've read the cluster_from_scratch several times. It uses the interactive command line to configure pacemaker. I need to create an xml file directly using my chef recipes. I have no ability to know each node's UUID, only the hostname. Can anyone provide me with an example of how I can configure pacemaker from an xml file to execute several scripts? Thanks, Todd
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