On Tue, Oct 25, 2011 at 8:06 PM, Roland Goetz <roland.go...@web.de> wrote: > Hello all, > > I have a 2-node cluster running with Pacemaker/Corosync since a year. > Now I had to change the IPs of the two nodes because we have moved the > cluster onto another network. > Since that change the cluster is no longer running. > > There was no change on the corosync link itself, corosync is starting well. > I got an error like "Cannot communicate with cib" when I do a "crm status". > > As a workaround I switched off corosync on both nodes, powered down one > node and mounted the volumes manually and have started the applications > also manually. > > That means that the users can work but not with the advantage of HA > > Can you please tell me what went wrong? > Is there a place where Pacemaker stores the IP ?
Not directly, but by default corosync uses it to calculate the nodeid which pacemaker does use and keep in the cib. You'll want to remove the "old" <node> entries from the cib. > > Installed version: > corosynclib-1.2.1-1.el5 Wed 14 Apr 2010 04:28:06 PM CEST > corosync-1.2.1-1.el5 Wed 14 Apr 2010 04:28:07 PM CEST > resource-agents-1.0.3-1.el5 Mon 19 Apr 2010 02:18:20 PM CEST > cluster-glue-libs-1.0.4-1.el5 Mon 19 Apr 2010 02:19:15 PM CEST > cluster-glue-1.0.4-1.el5 Mon 19 Apr 2010 02:19:16 PM CEST > heartbeat-libs-3.0.3-1.el5 Mon 19 Apr 2010 02:19:45 PM CEST > pacemaker-libs-1.0.8-5.el5 Mon 19 Apr 2010 02:19:46 PM CEST > heartbeat-3.0.3-1.el5 Mon 19 Apr 2010 02:19:47 PM CEST > pacemaker-1.0.8-5.el5 Mon 19 Apr 2010 02:19:48 PM CEST > openaislib-1.1.0-1.el5 Tue 20 Apr 2010 02:26:20 PM CEST > openais-1.1.0-1.el5 Tue 20 Apr 2010 02:26:21 PM CEST > graphviz-2.12-8.el5 Thu 22 Apr 2010 11:18:31 AM CEST > > > > Kind regards, > > Roland Goetz > > > _______________________________________________ > 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 > _______________________________________________ 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
