On 02/19/2016 09:50 AM, Richard Stevenson wrote: > Hi, > > I'm having trouble updating pacemaker on a small 3 node cluster. All nodes > are running Centos 7, and I'm upgrading via a simple `yum upgrade`. > Whenever I attempt to do this the node is fenced when yum attempts to clean > up the old pacemaker package - restarted by STONITH in this case. > > Updating pacemaker is a common requirement, is there a recommended process > to upgrade pacemaker without taking out the node, or should I remove the > node before upgrading HA components? > > Thanks, > Richard Stevenson
In most cases, you should stop the cluster on a node before upgrading it ("pcs cluster stop" on Fedora/RHEL/CentOS). The document below describes various approaches to updates: http://clusterlabs.org/doc/en-US/Pacemaker/1.1-pcs/html-single/Pacemaker_Explained/index.html#ap-upgrade This reminds me of a new feature that I'll post about separately ... _______________________________________________ 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