The Father/son media
rotation strategy requires the following:
Table: Father/son media rotation strategy
Number of media required
Overwrite protection period
The Father/Son media
rotation strategy uses a combination of full and differential or
incremental backups for a two-week schedule.
In the Father/Son
scenario, four media are used Monday through Thursday for
differential or incremental backups. The other two media containing
full backups are rotated out and stored offsite every Friday.
The Father/Son strategy
is easy to administer and allows you to keep data longer than the
Son strategy, but it is not suitable for the stringent data
protection needs of most network environments.
Figure: Father/Son Backup Strategy
When this backup strategy
is first implemented, you must start with a full backup.