This post is to assist in the setup of a BackupPC system able to backup in use files by using MS volume snapshots. It also has the benefit of only having the RSync daemon running during the backup which increases security.

Recently I discovered our Moodle gradebook was playing up and not correctly recording marks from assignments as well as been unable to assign categories from quizes.
I tracked the problem down to the Moodle database losing all its default entries for its tables.