HP D2D Manual page 28

8. Firstly we will create an annual full backup to run on the 1st January at 21:00, the protection
period for this backup is set to Permanent to ensure that it is never overwritten.
Configure monthly full backups to be overwritten every 12 months (52 weeks).
Configure weekly full backups to run at 21:00, which are overwritten every 4 weeks.
28 Configure a backup rotation scheme