This file is used (amongst others) to check the integrity
of the hard disc when doing a backup to lari.

Don't change this file or the backup will not be invoked.

Steps:
- md5sum on this file will be calculated
- if it matches stored md5sum then we assume that harddisc is still ok
- if not, then we do not backup anything as the harddisc might be
  corrupt and corrupt out backup server as well
