On 8/12/19 9:24 PM, Klaus Wenninger wrote:
[...]
> If you shutdown solely pacemaker one-by-one on all nodes
> and these shutdowns are considered graceful then you are
> not gonna experience any reboots (e.g. 3 node cluster).
While revisit what you said, then run `systemctl stop pacemaker` one by one.
At this point corosync is still running on all nodes. ( NOTE: make sure
no "StopWhenUnneded=yes" in corosync.service to get hijacked when
stopping pacemaker. )
> Afterwards you can shutdown corosync one-by-one as well
> without experiencing reboots as without the cib-connection
> sbd isn't gonna check for quorum anymore (all resources
> down so no need to reboot in case of quorum-loss - extra
> care has to be taken care of with unmanaged resources but
> that isn't particular with sbd).
>
Then, `systemctl stop corosync` one by one. Nice! disk-less sbd does
play the trick as above. All nodes stay!
Thanks,
Roger
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