> On 25 Oct 2014, at 12:38 am, Andrei Borzenkov <arvidj...@gmail.com> wrote: > > On Fri, Oct 24, 2014 at 9:17 AM, Andrew Beekhof <and...@beekhof.net> wrote: >> >>> On 16 Oct 2014, at 9:31 pm, Andrei Borzenkov <arvidj...@gmail.com> wrote: >>> >>> The primary goal is to transparently update software in cluster. I >>> just did HA suite update using simple RPM and observed that RPM >>> attempts to restart stack (rcopenais try-restart). So >>> >>> a) if it worked, it would mean resources had been migrated from this >>> node - interruption >>> >>> b) it did not work - apparently new versions of installed utils were >>> incompatible with running pacemaker so request to shutdown crm fails >>> and openais hung forever. >>> >>> The usual workflow with one cluster products I worked before was - >>> stop cluster processes without stopping resources; update; restart >>> cluster processes. They would detect that resources are started and >>> return to the same state as before stopping. Is something like this >>> possible with pacemaker? >> >> absolutely. this should be of some help: >> >> http://clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Pacemaker_Explained/_disconnect_and_reattach.html >> > > Did not work. It ended up moving master to another node and leaving > slave on original node stopped after that.
When you stopped the cluster or when you started it after an upgrade? > I have crm_report if this > is not expected ... > > pacemaker Version: 1.1.11-3ca8c3b > > _______________________________________________ > 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 _______________________________________________ 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