diff --git a/de/heat-templates/scripts/instance_boot.sh b/de/heat-templates/scripts/instance_boot.sh
index c6e5006..180659d 100644
--- a/de/heat-templates/scripts/instance_boot.sh
+++ b/de/heat-templates/scripts/instance_boot.sh
@@ -234,8 +234,8 @@
         local device_num=$1
         local device_size=$2
         local vg_name=$3
-        if losetup -l | grep /dev/loop${device_num}; then
-        echo "Volume /dev/loop${device_num} is already initialize"
+        if vgdisplay | grep ${vg_name}; then
+        echo "Volume group ${vg_name} is already initialize"
         else
             #configure lvm only on compute nodes
             if [[ ${NODE_METADATA} == *"openstack-compute-node"* ]]; then
@@ -267,10 +267,10 @@
     }
 
     if [[ "${LVM_LOOP_DEVICE_SIZE}" -gt 0 ]]; then
-        _setup_lvm 0 ${LVM_LOOP_DEVICE_SIZE} nova-vol
+        _setup_lvm 10 ${LVM_LOOP_DEVICE_SIZE} nova-vol
     fi
     if [[ "${CINDER_LVM_LOOP_DEVICE_SIZE}" -gt 0 ]]; then
-        _setup_lvm 1 ${CINDER_LVM_LOOP_DEVICE_SIZE} cinder-vol
+        _setup_lvm 11 ${CINDER_LVM_LOOP_DEVICE_SIZE} cinder-vol
     fi
 
 }