#!/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 --delete --exclude-from /root/.backup_excludes naz:/mnt/md1/ /mnt/usb/