#!/bin/bash

exec >/var/lib/nethserver/backup/disk_usage

df=`df -Ph /mnt/backup/ 2>/dev/null | tail -1`
if [ -z "$df" ]; then exit 0; fi

read fs size used avail percent mp <<<$df
echo "Disk usage:"
echo "Size: $size"
echo "Used: $used"
echo "Avail: $avail"
echo "Use%: $percent"