On 28/06/16 11:53 AM, Pavlov, Vladimir wrote: > Hello! > > We have Pacemaker cluster of two node Active/Backup (OS Centos 6.7), > with resources IPaddr2 and ldirectord. > > Cluster Properties: > > cluster-infrastructure: cman > > dc-version: 1.1.11-97629de > > no-quorum-policy: ignore > > stonith-enabled: false
You need fencing to be enabled and configured. This is always true, but particularly so on RHEL 6 because it uses the cman plugin. Please configure and test stonith, and then repeat your tests to see if the behavior is more predictable. > The cluster has been configured for this documentation: > http://clusterlabs.org/quickstart-redhat-6.html > > Recently, there was a communication failure between cluster nodes and > the behavior was like this: > > - During a network failure, each server has become the Master. > > - After the restoration of the network, one node killing services > of Pacemaker on the second node. > > - The second node was not available for the cluster, but all > resources remain active (Ldirectord,ipvs,ip address). That is, both > nodes continue to be active. > > We decided to create a test stand and play the situation, but with > current version of Pacemaker in CentOS repos, сluster behaves differently: > > - During a network failure, each server has become the Master. > > - After the restoration of the network, all resources are stopped. > > - Then the resources are run only on one node. - This behavior > seems to be more logical. > > Current Cluster Properties on test stand: > > cluster-infrastructure: cman > > dc-version: 1.1.14-8.el6-70404b0 > > have-watchdog: false > > no-quorum-policy: ignore > > stonith-enabled: false > > Changed the behavior of the cluster in the new version or accident is > not fully emulated? > > Thank you. > > > > > > Kind regards, > > > > *Vladimir Pavlov* > > > > > > _______________________________________________ > Users mailing list: Users@clusterlabs.org > http://clusterlabs.org/mailman/listinfo/users > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org > -- Digimer Papers and Projects: https://alteeve.ca/w/ What if the cure for cancer is trapped in the mind of a person without access to education? _______________________________________________ Users mailing list: Users@clusterlabs.org http://clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org