On 12/04/2017 04:02 PM, Kristoffer Grönlund wrote: > Tomas Jelinek <tojel...@redhat.com> writes: > >>> * how is it shutting down the cluster when issuing "pcs cluster stop --all"? >> First, it sends a request to each node to stop pacemaker. The requests >> are sent in parallel which prevents resources from being moved from node >> to node. Once pacemaker stops on all nodes, corosync is stopped on all >> nodes in the same manner. >> >>> * any race condition possible where the cib will record only one node up >>> before >>> the last one shut down? >>> * will the cluster start safely? > That definitely sounds racy to me. The best idea I can think of would be > to set all nodes except one in standby, and then shutdown pacemaker > everywhere...
Really mean standby or rather maintenance to keep resources from switching to the still alive nodes during shutdown? Regards, Klaus _______________________________________________ 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
