----- On Feb 7, 2022, at 2:36 PM, Ulrich Windl ulrich.wi...@rz.uni-regensburg.de wrote:
> > Bernd, > > what if you set the node affected to standby, or shut down the cluster > services? Or all all nodes powered by the same UPS? All nodes are powered by the same UPS. > > >> >> And what is if both nodes are running ? Can i do that simultaneously on both > >> nodes ? > > I guess that should work. > >> My OS is SLES 12 SP5, pacemaker is 1.1.23, corosync is 2.3.6-9.13.1 > > Your action plan depends on what the VMNs are doing: basically every HA > resource should survive a hard restart without much damange. Well, some vm's have databases, i'd like to shutdown these cleanly. > So maybe an option could be: Do nothing, or do an emergency shutdown of the > node without properly migrating all the VMs elsewhere. The VM's don't need to be migrated, the whole cluster should stop in a reasonable time and manner. > You cannot make an application HA by putting it in a VM; at least not in > general. I know. But the time gap between one node having problems and booting the vm on the other node is ok for us. Bernd
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