diff --git a/cosmic-core/plugins/hypervisor/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java b/cosmic-core/plugins/hypervisor/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
index e1bd2896bb..cc105bc53d 100755
--- a/cosmic-core/plugins/hypervisor/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
+++ b/cosmic-core/plugins/hypervisor/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
@@ -1912,7 +1912,7 @@ public int compare(final DiskTO arg0, final DiskTO arg1) {
 
             if (data instanceof VolumeObjectTO) {
                 final VolumeObjectTO volumeObjectTo = (VolumeObjectTO) data;
-                disk.setSerial(diskUuidToSerial(volumeObjectTo.getUuid()));
+                disk.setSerial(volumeObjectTo.getDeviceId() + "-" + diskUuidToSerial(volumeObjectTo.getUuid()));
                 if (volumeObjectTo.getBytesReadRate() != null && volumeObjectTo.getBytesReadRate() > 0) {
                     disk.setBytesReadRate(volumeObjectTo.getBytesReadRate());
                 }
diff --git a/cosmic-core/plugins/hypervisor/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/KvmStorageProcessor.java b/cosmic-core/plugins/hypervisor/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/KvmStorageProcessor.java
index b83fe87f4c..426ef1eaa8 100644
--- a/cosmic-core/plugins/hypervisor/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/KvmStorageProcessor.java
+++ b/cosmic-core/plugins/hypervisor/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/KvmStorageProcessor.java
@@ -829,7 +829,7 @@ public Answer attachVolume(final AttachCommand cmd) {
         final VolumeObjectTO vol = (VolumeObjectTO) disk.getData();
         final PrimaryDataStoreTO primaryStore = (PrimaryDataStoreTO) vol.getDataStore();
         final String vmName = cmd.getVmName();
-        final String serial = resource.diskUuidToSerial(vol.getUuid());
+        final String serial = disk.getDiskSeq() + "-" + resource.diskUuidToSerial(vol.getUuid());
         try {
             final Connect conn = LibvirtConnection.getConnectionByVmName(vmName);