On Thursday, August 4, 2022, Lentes, Bernd < [email protected]> wrote: > ----- On 4 Aug, 2022, at 19:46, Reid Wahl [email protected] wrote: > >>> It shuts down ha-idg-2: >>> 2022-08-03T01:19:51.866200+02:00 ha-idg-2 systemd-logind[1535]: Power key >>> pressed. >>> 2022-08-03T01:19:52.048335+02:00 ha-idg-2 systemd-logind[1535]: System is >>> powering down. >>> 2022-08-03T01:19:52.051815+02:00 ha-idg-2 systemd[1]: Stopped target >>> resource-agents dependencies. >>> ... >> >> Yes, but it thought it was shutting down ha-idg-1. >> >>> >>> Then it stops cluster software on ha-idg-1: >>> Aug 03 01:19:58 [19361] ha-idg-1 pacemakerd: warning: pcmk_child_exit: Shutting >>> cluster down because crmd[19368] had fatal failure >>> Aug 03 01:19:58 [19361] ha-idg-1 pacemakerd: notice: pcmk_shutdown_worker: >>> Shutting down Pacemaker >>> Aug 03 01:19:58 [19361] ha-idg-1 pacemakerd: notice: stop_child: Stopping >>> pengine | sent signal 15 to process 19367 >>> ... >> >> Node ha-idg-1 received a notification from the fencer that said "hey, >> we just fenced ha-idg-1!" Then it said "oh no, that's me! I'll shut >> myself down now." >> >> That can be helpful if we're using fabric fencing. That's not supposed >> to happen with power fencing. The shutdown on ha-idg-1 didn't hurt >> anything, but it should have gotten powered off (instead of powering >> off ha-idg-2. >> > What is "fabric" fencing and "power" fencing ? > Fabric something like ILO or IPMI ? And power fencing is cutting off power by controllable > UPS or power switches ?
Fabric fencing is cutting off access to storage or the network. Power fencing is cutting off power, whether via iLO or UPS or whatever. > > Bernd -- Regards, Reid Wahl (He/Him) Senior Software Engineer, Red Hat RHEL High Availability - Pacemaker
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