>>> Eric Robinson <eric.robin...@psmnv.com> schrieb am 09.10.2016 um 05:25 in Nachricht <dm5pr03mb2729771f3e4e94c4c49bf159fa...@dm5pr03mb2729.namprd03.prod.outlook.com>
> In a 2-node cluster where each node has two NICs connected to disjoint > networks, and thus 2 corosync rings, why would loss of communication on one > ring cause cluster failover? > > We have the following setup... > > > LAN A > /====SWITCH====SWITCH====\ > / \ > > NODE_A NODE_B > > \ / > \====SWITCH====SWITCH====/ > LAN B > > > Everything on LAN A is physically separate from LAN B, different switches, > cables, power, etc. For some reason, when either LAN A or LAN B suffers a > failure, the cluster fails over. What would cause that? Without logs that's hard to say. We are running a similar configuration (SLES11) without such problems. > > This happened yesterday at 2:05 pm Pacific time. I have the corosync and > pacemaker logs from both nodes during that timeframe, but they are 20,000+ > lines. I can see the failover happening (because everything was going along > normally, then the logs went nuts) but I don't understand why. Can someone > tell me what clues I should be looking for? > > -- > Eric Robinson > > > _______________________________________________ > Users mailing list: Users@clusterlabs.org > http://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: Users@clusterlabs.org http://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
