diff --git a/backupnaz.sh b/backupnaz.sh
new file mode 100755
index 0000000..c26861a
--- /dev/null
+++ b/backupnaz.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+# Monthly backup script for my NAS
+
+DEVICE=`readlink -f /dev/disk/by-id/usb-ST3000DM_001-1CH166_000000000000-0:0-part1`
+
+if grep $DEVICE /proc/mounts >/dev/null
+then
+	echo "external drive ($DEVICE) seems to be mounted. good."
+else
+	if sudo mount $DEVICE /mnt/usb/
+	then 
+		echo "external drive ($DEVICE) successfuly mounted."
+	else
+		echo "FATAL: unable to mount"
+		exit 1
+	fi 
+fi
+
+time ionice -c 2 sudo rsync --info=progress2 -av --exclude-from /root/.backup_excludes naz:/mnt/md1/ /mnt/usb/