XCP 1.6 discotinued.... but XenServer 6.2 remove VMPP (Virtual Machine Protection Poricy) substitute cron script Example Using # crontab -l 0 * * * * ~/snapshot.sh hourly 0 2 * * * ~/snapshot.sh daily 0 2 * * 0 ~/snapshot.sh weekly

snapshot.cron

#!/bin/bash

mode=${1-none}

HOURLYBACKUP_TAG="hourlybackup"
DAYLYBACKUP_TAG="dailybackup"
WEEKLYBACKUP_TAG="weeklybackup"

HOURLYBACKUP_LIFETIME="24"
DAYLYBACKUP_LIFETIME="30"
WEEKLYBACKUP_LIFETIME="1"

if [ "$mode" = "hourly" ]; then
  hbvms=$(for i in $(xe vm-list is-control-domain=false power-state=running --minimal tags:contains=$HOURLYBACKUP_TAG|sed 's/,/ /g'); do xe vm-param-get param-name=name-label uuid=$i; done)
#Hourly
 for vm in $hbvms; do
   label=hourly-$vm-$(date +%H)
   oldlabel=hourly-$vm-$(date +%H --date "$HOURLYBACKUP_LIFETIME hours ago")
   oldsnapshot=`xe snapshot-list name-label=$label --minimal`
   echo yes | xe snapshot-uninstall snapshot-uuid=$oldsnapshot
   xe vm-snapshot vm=$vm new-name-label=$label
 done

elif [ "$mode" = "daily" ]; then
  dbvms=$(for i in $(xe vm-list is-control-domain=false power-state=running --minimal tags:contains=$DAYLYBACKUP_TAG |sed 's/,/ /g'); do xe vm-param-get param-name=name-label uuid=$i; done)
 #Dayly
 for vm in $dbvms; do
   label=daily-$vm-$(date +%d)
   oldlabel=daily-$vm-$(date +%d --date "$DAYLYBACKUP_LIFETIME days ago")
   oldsnapshot=`xe snapshot-list name-label=$label --minimal`
   echo yes | xe snapshot-uninstall snapshot-uuid=$oldsnapshot
   xe vm-snapshot vm=$vm new-name-label=$label
 done

elif [ "$mode" = "weekly" ]; then
  wbvms=$(for i in $(xe vm-list is-control-domain=false power-state=running --minimal tags:contains=$WEEKLYBACKUP_TAG|sed 's/,/ /g'); do xe vm-param-get param-name=name-label uuid=$i; done)
 #Weekly
 for vm in $wbvms; do
   label=weekly-$vm-$(date +%d)
   oldlabel=weekly-$vm-$(date +%d --date "$WEEKLYBACKUP_LIFETIME weeks ago")
   oldsnapshot=`xe snapshot-list name-label=$label --minimal`
   echo yes | xe snapshot-uninstall snapshot-uuid=$oldsnapshot
   xe vm-snapshot vm=$vm new-name-label=$label
 done

fi