On Wed, 2010-08-11 at 17:52 -0400, Peter Sylvester wrote: > I do have to agree. I've actually been working for almost 4 business days > now on trying to get Heartbeat and Pacemaker working together
It took me six months to build a decent cluster, starting as one who was very experienced with heartbeat v1 master-hotspare pairs. But to be fair, heartbeat and pacemaker were not the only things I was learning, I also built the DRBD volumes on top of LVM volumes, then put LVM volumes on top of the DRBD volumes. That was very complicated to get working, but provides huge flexibility in that I can increase the size of DRBD volumes or individual file systems mounted on the DRBD volumes without major reconfiguration. Then it's on to Xen, heartbeat, and pacemaker. Eventually I spent quite a bit of time writing myself a management program that makes it easy to do things like add a new virtual machine (takes care of running the CRM shell to add the necessary config lines and that sort of thing). But it was incredibly difficult to get this working. Failing to configure a single resource properly can start a stonith death match and bring down the entire cluster. I do see the advantages of the extra flexibility, and I have begun using some of it. But there are a lot of use cases where a simple heartbeat v1 configuration is just fine and far easier to understand and implement. --Greg _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
