diff -uNr a/heartbeat/vdo-vol b/heartbeat/vdo-vol

--- a/heartbeat/vdo-vol	2018-11-07 09:11:23.037835110 +0100

+++ b/heartbeat/vdo-vol	2018-11-07 09:12:41.322373901 +0100

@@ -145,7 +145,7 @@

 vdo_monitor(){

 	status=$(vdo status $OPTIONS 2>&1)

-	MODE=$(vdostats vdo_vol --verbose | grep "operating mode" | awk '{print $NF}')

+	MODE=$(vdostats --verbose ${OCF_RESKEY_volume} | grep "operating mode" | awk '{print $NF}')

 	case "$status" in

 		*"Device mapper status: not available"*)