pcs cluster stop pcmk-1
to stop all cluster services on pcmk-1, failing over the cluster resources, but there is another way to safely simulate node failure.
[root@pcmk-1 ~]# pcs cluster standby pcmk-1 [root@pcmk-1 ~]# pcs status Cluster name: mycluster Stack: corosync Current DC: pcmk-2 (version 1.1.18-11.el7_5.3-2b07d5c5a9) - partition with quorum Last updated: Mon Sep 10 18:04:22 2018 Last change: Mon Sep 10 18:03:43 2018 by root via cibadmin on pcmk-1 2 nodes configured 5 resources configured Node pcmk-1: standby Online: [ pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2 WebSite (ocf::heartbeat:apache): Started pcmk-2 Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-2 ] Stopped: [ pcmk-1 ] WebFS (ocf::heartbeat:Filesystem): Started pcmk-2 Daemon Status: corosync: active/disabled pacemaker: active/disabled pcsd: active/enabled
[root@pcmk-1 ~]# pcs cluster unstandby pcmk-1 [root@pcmk-1 ~]# pcs status Cluster name: mycluster Stack: corosync Current DC: pcmk-2 (version 1.1.18-11.el7_5.3-2b07d5c5a9) - partition with quorum Last updated: Mon Sep 10 18:05:22 2018 Last change: Mon Sep 10 18:05:21 2018 by root via cibadmin on pcmk-1 2 nodes configured 5 resources configured Online: [ pcmk-1 pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2 WebSite (ocf::heartbeat:apache): Started pcmk-2 Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-2 ] Slaves: [ pcmk-1 ] WebFS (ocf::heartbeat:Filesystem): Started pcmk-2 Daemon Status: corosync: active/disabled pacemaker: active/disabled pcsd: active/enabled
Note
pcs node standby
and pcs node unstandby
.