diff --git a/scripts/vm/hypervisor/xenserver/vmopsSnapshot b/scripts/vm/hypervisor/xenserver/vmopsSnapshot
index 891257fb4a9..e4b62b3b160 100755
--- a/scripts/vm/hypervisor/xenserver/vmopsSnapshot
+++ b/scripts/vm/hypervisor/xenserver/vmopsSnapshot
@@ -458,12 +458,16 @@ def getIsTrueString(stringValue):
     return booleanValue 
 
 def makeUnavailable(uuid, primarySRPath, isISCSI):
+    if not isISCSI:
+        return
     VHD = getVHD(uuid, isISCSI)
     path = os.path.join(primarySRPath, VHD)
     manageAvailability(path, '-an')
     return
 
 def manageAvailability(path, value):
+    if path.__contains__("/var/run/sr-mount"):
+        return
     util.SMlog("Setting availability of " + path + " to " + value)
     try:
         cmd = ['/usr/sbin/lvchange', value, path]