On 10/31/2016 11:17 AM, Andrei Borzenkov wrote: > 31.10.2016 17:15, Ken Gaillot пишет: >> On 10/29/2016 07:55 AM, Ferenc Wágner wrote: >>> Ken Gaillot <kgail...@redhat.com> writes: >>> >>>> This spurred me to complete a long-planned overhaul of Pacemaker >>>> Explained's "Upgrading" appendix: >>>> >>>> http://clusterlabs.org/doc/en-US/Pacemaker/1.1-pcs/html/Pacemaker_Explained/_upgrading.html >>>> >>>> Feedback is welcome. >>> >>> Since you asked for it..:) >>> >>> 1. Table D.1.: why does a rolling upgrade imply any service outage? Always? >> >> Putting a node into standby will move all resources off it, so there's >> at least a brief outage. Although I suppose if all of your resources are >> live-migratable there wouldn't be. :) Probably worth a footnote to clarify. >> > > > What about stopping pacemaker leaving resources running, upgrading > pacemaker on the node, starting pacemaker? Is it technically possible?
Yes, that's the "detach-and-reattach" method described at the link above. _______________________________________________ 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
