diff --git a/zonebackuptozone.sh b/zonebackuptozone.sh
old mode 100644
new mode 100755
index 652ea02..5bb5b8a
--- a/zonebackuptozone.sh
+++ b/zonebackuptozone.sh
@@ -6,29 +6,6 @@ usage()
     exit 1
 }
 
-check_err()
-{
-    STATUS=$?
-    if [ ${STATUS} -ne 0 ]; then
-        echo "Unexpected error: ${STATUS}"
-        exit ${STATUS}
-    fi
-}
-
-check_snap()
-{
-    ZONE=$1
-    zfs list -t snapshot zones/${ZONE}@`date +%Y%m%d` 2&>/dev/null 1>&2
-}
-
-create_snap()
-{
-    ZONE=$1
-    echo "Creating snapshot of ${ZONE}..."
-    zfs snapshot zones/${ZONE}@`date +%Y%m%d`
-    check_err
-    echo "done."
-}
 
 while getopts ":s:z:b:i:" opt;
 do
@@ -65,8 +42,46 @@ if [ -z ${SOURCEGZ} ] || [ -z "${UUID}" ] || [ -z ${BACKUPZ} ] || [ -z ${IDBACKU
     usage
 fi
 
-echo "Checking for snapshot of ${UUID}"
+# functions
+
+check_err()
+{
+    STATUS=$?
+    if [ ${STATUS} -ne 0 ]; then
+        echo "Unexpected error: ${STATUS}"
+        exit ${STATUS}
+    fi
+}
+
+check_snap()
+{
+    ZONE=$1
+    echo "Checking for snapshot of ${UUID}"
+    zfs list -t snapshot zones/${ZONE}@`date +%Y%m%d` 2&>/dev/null 1>&2
+}
+
+create_snap()
+{
+    DS=$1
+    echo "Creating snapshot of ${DS}..."
+    zfs snapshot zones/${DS}@`date +%Y%m%d`
+    check_err
+    echo "done."
+}
+
+send_snap ()
+{
+    DATASET=$1
+    echo "Sending snapshot to ${BACKUPZ}..."
+    zfs send zones/${DATASET}@`date +%Y%m%d` | ssh -i /usbkey/ssh/id_rsa -p 2221 $BACKUPZ zfs receive zones/${IDBACKUPZ}/data/${SOURCEGZ}/${DATASET}
+    check_err
+    echo "done."
+}
+
+# main
+
 check_snap ${UUID}
+
 if [ $? -ne 0 ]; then
     create_snap ${UUID}
 else
@@ -74,10 +89,27 @@ else
     echo "done."
 fi
 
-echo "Sending snapshot to ${BACKUPZ}..."
-zfs send zones/${UUID}@`date +%Y%m%d` | ssh -i /usbkey/ssh/id_rsa -p 2221 $BACKUPZ zfs receive zones/${IDBACKUPZ}/data/${SOURCEGZ}/${UUID}
-check_err
-echo "done."
+send_snap ${UUID}
+
+# we check this UUID for additional datasets
+
+echo "Look for addtional datasets..."
+DATASET=`vmadm get ${UUID} | json datasets.0 | tr -d '\n'`
+
+if [ -n "${DATASET}" ]; then
+    check_snap ${DATASET}
+fi
+
+if [ $? -ne 0 ]; then
+    create_snap ${DATASET}
+else
+    echo "Snapshot of ${DATASET} already available..."
+    echo "done."
+fi
+
+send_snap ${DATASET}
+
+# we send the config
 
 echo "Sending config to ${BACKUPZ}..."
 zonecfg -z ${UUID} export | ssh -i /usbkey/ssh/id_rsa -p 2221 $BACKUPZ "cat >/data/${SOURCEGZ}/${UUID}.cfg"