On Mon, 24 Mar 2014 19:41:16 +0800 邓尧 <tors...@gmail.com> wrote: > I'm configuring a 2-node cluster on CentOS 6 with corosync + > pacemaker + cman. Everything works well except fencing. > > I'm using IPMI as the fencing device, I know it's not the best fencing > device, but this is the only option I have. > Manual fencing a node (pcs stonith fence <node>) works well: peer > node goes offline, resources migrate as expected. However, if network > traffic between the two nodes is blocked by iptables, both nodes will > try to fence each other, and both would success, which result in both > nodes offline. > > How to avoid such problem ?
You'll need to have one node take priority, by setting different delays on the two nodes so that one of them will fence before the other (see the "delay" parameter). -- // Kristoffer Grönlund // kgronl...@suse.com _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
