Change hardcoded xvda1's to value of diskU
Change hardcoded xvda1's to value of diskU

git-svn-id: bf82309ee31681273af20a825c7064ea7c5af838@1033683 13f79535-47bb-0310-9956-ffa450edef68

apache/tashi,apache/tashi,stroucki/tashi,apache/tashi,apache/tashi,stroucki/tashi,stroucki/tashi