diff --git a/libvirt-zsh-backup.sh b/libvirt-zsh-backup.sh
index 39c6512..efd58a2 100644
--- a/libvirt-zsh-backup.sh
+++ b/libvirt-zsh-backup.sh
@@ -29,7 +29,7 @@ then
    helpFunction
 fi
 
-DATE=$(date "+%Y%m%d")
+DATE=$(date "+%Y%m%d%H%M")
 DATE30=$(date -d "-30day" "+%Y%m%d")
 SNAPNAME="backup_$DATE"
 
@@ -40,6 +40,9 @@ do
     DISKSPEC+="--diskspec $disk,file=/srv/snapshots/$VM/$VM-$disk-$SNAPNAME.qcow2,snapshot=external "
 done
 
+# create snapshot dataset
+zfs create tank/snapshots/$VM
+
 virsh snapshot-create-as --domain $VM --name $SNAPNAME --quiesce --atomic --disk-only $DISKSPEC > /dev/null
 if [ $? -ne 0 ]
 then
@@ -68,5 +71,17 @@ do
     fi
 done
 
-zfs send "$SRCZFS"@"$SNAPNAME" | pv -L 500M | ssh $DESTHOST sudo zfs recv -F $DESTZFS
+virsh snapshot-delete $VM $SNAPNAME --metadata
 
+zfs send "$SRCZFS"@"$SNAPNAME" | pv -L 500M | ssh $DESTHOST sudo zfs recv -F $DESTZFS
+if [ $? -eq 0 ]
+then
+    zfs set backup:success="true" $SRCZFS
+    zfs set backup:date="$DATE" $SRCZFS
+else
+    zfs set backup:success="false" $SRCZFS
+    zfs set backup:failed="$DATE" $SRCZFS
+fi
+
+
+zfs destroy tank/snapshots/$VM