Hi! Have you tried studying the logs? Usually you get useful information from there (to share!).
Regards, Ulrich >>> Edwin Török <[email protected]> schrieb am 14.08.2017 um 11:51 in Nachricht <[email protected]>: > Hi, > > > When setting up a cluster with just 1 node with auto-tie-breaker and > DLM, and incrementally adding more I got some unexpected fencing if the > 2nd node doesn't join the cluster soon enough. > > What I also found surprising is that if the cluster has ever seen 2 > nodes, then turning off the 2nd node works fine and doesn't cause > fencing (using auto-tie-breaker). > > > I have a hardware watchdog, and can reproduce the problem with these (or > older) versions and sequence of steps: > > corosync-2.4.0-9.el7.x86_64 > pacemaker-1.1.16-12.el7.x86_64 > sbd-1.3.0-3.el7.x86_64 > pcs-0.9.158-6.el7.x86_64 > > pcs cluster destroy > rm /var/lib/corosync/* -f > pcs cluster auth -u hacluster cluster1 cluster2 > pcs cluster setup --name cluster cluster1 --auto_tie_breaker=1 > pcs stonith sbd enable > pcs cluster start --all > pcs property set no-quorum-policy=ignore > # or pcs property set no-quorum-policy=freeze > # or pcs property set no-quorum-policy=suicide > pcs resource create dlm ocf:pacemaker:controld op monitor interval=30s > on-fail=fence clone interleave=true ordered=true > while ! dlm_tool join testls; do sleep 1; done > crm_mon -1 > pcs cluster node add cluster2& > journalctl --follow > > > What am I doing wrong, and how can I avoid fencing? > I thought that setting no-quorum-policy to ignore would prevent this (if > I have just 1 node I don't really need fencing until the 2nd node is > actually up), but if there are any active DLM lockspaces that doesn't > seem to be the case. > > Thanks, > --Edwin > > _______________________________________________ > Users mailing list: [email protected] > http://lists.clusterlabs.org/mailman/listinfo/users > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: http://bugs.clusterlabs.org _______________________________________________ Users mailing list: [email protected] http://lists.clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
