>>> "Lentes, Bernd" <[email protected]> schrieb am 13.08.2019 um 10:54 in Nachricht <848962511.1856599.1565686469666.javamail.zim...@helmholtz-muenchen.de>:
> > ‑‑‑‑‑ On Aug 13, 2019, at 9:00 AM, Ulrich Windl [email protected]‑regensburg.de > wrote: > >> Personally I feel more save with updates when the whole cluster node is >> offline, not standby. When you are going to boot anyway, it won't make much > of >> a difference. Also you don't have to remember to put the node back online in >> the configuration. > > OK. > >> For your case: After Rebooting the first node, the second one was DC. If you >> reboot that, the first node becomes DC, but when booting node 2 it still > have >> the old config saying it it the DC. So both nodes have to agree on that. > Maybe >> that's why the cluster is "unclean" for a while. Did it "go away" after some >> time? > > For debugging, e.g. after fencing: is there something in the logs form where > i recognize which one was DC and which not ? E.g. some differences in the > pacemaker.log ? In SLES12 it's in /var/log/pacemaker.log: Look for strings like "Set DC to " and "Unset DC. Was ", or "I_ELECTION_DC" and "I_NOT_DC". > > What is about changes of the CIB and the following actions ? If after a diff > in the CIB pengine is doing s.th., > this must be the DC i guess. Correct. > > > Bernd > > > Helmholtz Zentrum Muenchen > Deutsches Forschungszentrum fuer Gesundheit und Umwelt (GmbH) > Ingolstaedter Landstr. 1 > 85764 Neuherberg > www.helmholtz‑muenchen.de > Aufsichtsratsvorsitzende: MinDir'in Prof. Dr. Veronika von Messling > Geschaeftsfuehrung: Prof. Dr. med. Dr. h.c. Matthias Tschoep, Heinrich > Bassler, Kerstin Guenther > Registergericht: Amtsgericht Muenchen HRB 6466 > USt‑IdNr: DE 129521671 > > _______________________________________________ > Manage your subscription: > https://lists.clusterlabs.org/mailman/listinfo/users > > ClusterLabs home: https://www.clusterlabs.org/ _______________________________________________ Manage your subscription: https://lists.clusterlabs.org/mailman/listinfo/users ClusterLabs home: https://www.clusterlabs.org/
