[root@pancakeFence1 ~]# pcs config
Cluster Name: PacketFenceCluster
Corosync Nodes:
 pancakeFence1.dwlfrth pancakeFence2.dwlfrth
Pacemaker Nodes:
 pancakeFence1.dwlfrth pancakeFence2.dwlfrth

Resources:
 Master: DRBD_ms
  Meta Attrs: master-node-max=1 clone-max=2 notify=true master-max=1 clone-node-max=1
  Resource: DRBD (class=ocf provider=linbit type=drbd)
   Attributes: drbd_resource=database
   Operations: demote interval=0s timeout=90 (DRBD-demote-interval-0s)
               monitor interval=20 role=Slave timeout=20 (DRBD-monitor-interval-20)
               monitor interval=10 role=Master timeout=20 (DRBD-monitor-interval-10)
               promote interval=0s timeout=90 (DRBD-promote-interval-0s)
               start interval=0s timeout=240 (DRBD-start-interval-0s)
               stop interval=0s timeout=100 (DRBD-stop-interval-0s)
 Group: Cluster
  Resource: DRBD_fs (class=ocf provider=heartbeat type=Filesystem)
   Attributes: device=/dev/drbd0 directory=/var/lib/mysql fstype=ext4
   Operations: monitor interval=20 timeout=40 (DRBD_fs-monitor-interval-20)
               start interval=0s timeout=60 (DRBD_fs-start-interval-0s)
               stop interval=0s timeout=60 (DRBD_fs-stop-interval-0s)
  Resource: postfix (class=systemd type=postfix)
   Operations: monitor interval=60 timeout=100 (postfix-monitor-interval-60)
               start interval=0s timeout=100 (postfix-start-interval-0s)
               stop interval=0s timeout=100 (postfix-stop-interval-0s)

Stonith Devices:
Fencing Levels:

Location Constraints:
Ordering Constraints:
  promote DRBD_ms then start DRBD_fs (kind:Mandatory)
Colocation Constraints:
  DRBD_fs with DRBD_ms (score:INFINITY) (with-rsc-role:Master)
Ticket Constraints:

Alerts:
 No alerts defined

Resources Defaults:
 resource-stickiness: 200
Operations Defaults:
 No defaults set

Cluster Properties:
 cluster-infrastructure: corosync
 cluster-name: PacketFenceCluster
 dc-version: 1.1.16-12.el7_4.4-94ff4df
 have-watchdog: false
 last-lrm-refresh: 1510095826
 stonith-enabled: false

Quorum:
  Options: