Set r/w permissions for uid=189, gid=189 on /var/log/pacemaker.log
Mar 28 07:20:18 [32189] overcloud-controller-0 pacemakerd:     info: crm_log_init:	Changed active directory to /var/lib/pacemaker/cores
Mar 28 07:20:18 [32189] overcloud-controller-0 pacemakerd:     info: get_cluster_type:	Detected an active 'corosync' cluster
Mar 28 07:20:18 [32189] overcloud-controller-0 pacemakerd:     info: mcp_read_config:	Reading configure for stack: corosync
Mar 28 07:20:18 [32189] overcloud-controller-0 pacemakerd:   notice: crm_add_logfile:	Switching to /var/log/cluster/corosync.log