Issue

• All resources in the cluster appears in state Stopped and it's not possible to start them up via pcs resource enable.
• Restarting the cluster does not help.
• It's not possible to move the resources between the cluster nodes either.
• The following messages are seen in the logs:

fvm-rhel-7-5-95 fence_mpath: Failed: device " /dev/mapper/mpathb" does not exist
fvm-rhel-7-5-95 fence_mpath: Failed: device " /dev/mapper/mpathb" does not exist
fvm-rhel-7-5-95 fence_mpath: Please use '-h' for usage
fvm-rhel-7-5-95 fence_mpath: Please use '-h' for usage
fvm-rhel-7-5-95 stonith-ng[9466]: warning: fence_mpath[19896] stderr: [ WARNING:root:Parse error: Ignoring unknown option 'port=fvm-rhel-7-5-95' ]
fvm-rhel-7-5-95 stonith-ng[9466]: warning: fence_mpath[19896] stderr: [  ]
fvm-rhel-7-5-95 stonith-ng[9466]: warning: fence_mpath[19896] stderr: [ ERROR:root:Failed: device " /dev/mapper/mpathb" does not exist ]
fvm-rhel-7-5-95 stonith-ng[9466]: warning: fence_mpath[19896] stderr: [  ]
fvm-rhel-7-5-95 stonith-ng[9466]: warning: fence_mpath[19896] stderr: [ Failed: device " /dev/mapper/mpathb" does not exist ]
fvm-rhel-7-5-95 stonith-ng[9466]: warning: fence_mpath[19896] stderr: [  ]
fvm-rhel-7-5-95 stonith-ng[9466]: warning: fence_mpath[19896] stderr: [ ERROR:root:Please use '-h' for usage ]
fvm-rhel-7-5-95 stonith-ng[9466]: warning: fence_mpath[19896] stderr: [  ]
fvm-rhel-7-5-95 stonith-ng[9466]: warning: fence_mpath[19896] stderr: [ Please use '-h' for usage ]
fvm-rhel-7-5-95 stonith-ng[9466]: warning: fence_mpath[19896] stderr: [  ]