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. 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