>>> Klaus Wenninger <[email protected]> schrieb am 04.12.2017 um 16:20 in Nachricht <[email protected]>: > On 12/04/2017 04:02 PM, Kristoffer Grönlund wrote: >> Tomas Jelinek <[email protected]> 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? If all nodes are set to standby in one transaction, there is no switching, just a stop of all resources. > > Regards, > Klaus > > _______________________________________________ > 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
