On 2017-07-23 08:27 AM, Dmitri Maziuk wrote: > So yesterday I ran yum update that puled in the new pacemaker and tried > to restart it. The node went into its usual "can't unmount drbd because > kernel is using it" and got stonith'ed in the middle of yum transaction. > The end result: DRBD reports split brain, HA daemons don't start on > boot, RPM database is FUBAR. I've had enough. I'm rebuilding this > cluster as centos 6 + heartbeat R1. > > Centos 7 + DRBD 8.4 + pacemaker + NFS server: FAIL. You have been warned. > > Dima
Is DRBD set to 'fencing resource-and-stonith'? If so, then the only way to get a split-brain is if something is configured wrong in pacemaker or if something caused crm-fence-peer.sh to report success when it didn't actually succeed... -- Digimer Papers and Projects: https://alteeve.com/w/ "I am, somehow, less interested in the weight and convolutions of Einstein’s brain than in the near certainty that people of equal talent have lived and died in cotton fields and sweatshops." - Stephen Jay Gould _______________________________________________ Users mailing list: Users@clusterlabs.org 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