On Thu, 07/05/2012 06:25 PM, Errol Neal wrote: > Hi again. I was hoping to get some insight into why two nodes get rebooted in my cluster when I halt one of of them. > > I'm running corosync 1.1.4 and pacemaker-1.1.6 on CentOS 6.2. I've put my configuration up on pastebin if anyone would like to take a look > > http://pastebin.com/raw.php?i=6cAkJ3Qk > > Could this be related? > > ERROR: native_create_actions: Resource st-xenapi-nas1-dev3-fence (stonith::fence_xenapi) is active on 2 nodes attempting recovery > > I noticed that during such times, multiple nodes are running the same resource. Incidentally, even if this isn't the cause, Is there a way to prevent this? > > Thanks in advance.. > > -Errol > Figured out my issue. My stonith configuration was incorrect. With the proper stonith configuration, I now have n+1 redundancy.