#!/bin/bash
mount /mnt/back
if [ $? -gt 0 ]
then
  echo "mount failed at `date`"|mail -s "backup failure" root
  kill $$
fi
rsync -av --exclude /mnt --exclude /proc --exclude /sys \
 --stats --delete / /mnt/back >/root/backup.log 2>&1
if [ $? -gt 0 ]
then
  echo "rsync failed at `date`" >/root/backup.err
  cat /root/backup.err /root/backup.log|mail -s "backup failure" root
fi
umount /mnt/back 2>&1
if [ $? -gt 0 ]
then
  echo "umount failed at `date`"|mail -s "backup failure" root
fi