When ha-idg-1 started Pacemaker around 17:43, it did not see ha-idg-2, for
example,
Aug 09 17:43:05 [6318] ha-idg-1 pacemakerd: info: pcmk_quorum_notification:
Quorum retained | membership=1320 members=1
after ~20s (dc-deadtime parameter), ha-idg-2 is marked 'unclean' and STONITHed
as part of startup fencing.
There is nothing in ha-idg-2's HA logs around 17:43 indicating that it saw
ha-idg-1 either, so it appears that there was no communication at all between
the two nodes.
I'm not sure exactly why the nodes did not see one another, but there are
indications of network issues around this time
2019-08-09T17:42:16.427947+02:00 ha-idg-2 kernel: [ 1229.245533] bond1: now
running without any active interface!
so perhaps that's related.
HTH,
Chris
On 8/12/19, 12:09 PM, "Users on behalf of Lentes, Bernd"
<users-boun...@clusterlabs.org on behalf of bernd.len...@helmholtz-muenchen.de>
wrote:
Hi,
last Friday (9th of August) i had to install patches on my two-node cluster.
I put one of the nodes (ha-idg-2) into standby (crm node standby ha-idg-2),
patched it, rebooted,
started the cluster (systemctl start pacemaker) again, put the node again
online, everything fine.
Then i wanted to do the same procedure with the other node (ha-idg-1).
I put it in standby, patched it, rebooted, started pacemaker again.
But then ha-idg-1 fenced ha-idg-2, it said the node is unclean.
I know that nodes which are unclean need to be shutdown, that's logical.
But i don't know from where the conclusion comes that the node is unclean
respectively why it is unclean,
i searched in the logs and didn't find any hint.
I put the syslog and the pacemaker log on a seafile share, i'd be very
thankful if you'll have a look.
https://hmgubox.helmholtz-muenchen.de/d/53a10960932445fb9cfe/
Here the cli history of the commands:
17:03:04 crm node standby ha-idg-2
17:07:15 zypper up (install Updates on ha-idg-2)
17:17:30 systemctl reboot
17:25:21 systemctl start pacemaker.service
17:25:47 crm node online ha-idg-2
17:26:35 crm node standby ha-idg1-
17:30:21 zypper up (install Updates on ha-idg-1)
17:37:32 systemctl reboot
17:43:04 systemctl start pacemaker.service
17:44:00 ha-idg-1 is fenced
Thanks.
Bernd
OS is SLES 12 SP4, pacemaker 1.1.19, corosync 2.3.6-9.13.1
--
Bernd Lentes
Systemadministration
Institut für Entwicklungsgenetik
Gebäude 35.34 - Raum 208
HelmholtzZentrum münchen
bernd.len...@helmholtz-muenchen.de
phone: +49 89 3187 1241
phone: +49 89 3187 3827
fax: +49 89 3187 2294
http://www.helmholtz-muenchen.de/idg
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