On 09/08/11 20:59, Brad Johnson wrote: > We have a 2 node cluster with a single resource. The resource must run > on only a single node at one time. Using the pacemaker:ocf:ping RA we > are pinging a WAN gateway and a LAN host on each node so the resource > runs on the node with the greatest connectivity. The problem is when a > ping host goes down (so both nodes lose connectivity to it), the > resource moves to the other node due to timing differences in how fast > they update the score attribute. The dampening value has no effect, > since it delays both nodes by the same amount. These unnecessary > fail-overs aren't acceptable since they are disruptive to the network > for no reason. > Is there a way to dampen the ping update by different amounts on the > active and passive nodes? Or some other way to configure the cluster to > try to keep the resource where it is during these tie score scenarios? > > We are running Pacemaker 1.0.10 with Heartbeat 3.0.5. Here are our > current resource and constraints sections:
Just those two aren't enormously helpful; as the current state of your node attributes isn't evident from them. If you could just dump your full CIB and upload them to pastebin/pastie/fpaste etc., it would be easier to make recommendations. Cheers, Florian
signature.asc
Description: OpenPGP digital signature
_______________________________________________ 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://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker