Full/Differential Pattern

Full/Differential Pattern

Another way of performing backups is to take full backups and differential backups, with incremental backups in between.

In this pattern:

This process reduces the number of tapes to manage because you can discard the incremental tapes once you have done a differential. You still have to manage the incremental tapes prior to the differential backup, however.

This way of performing backups implies:

Figure 2. Tape Usage in Full-Differential Backup Patterns

The advantage of the Full/Differential pattern over a Full/Incremental pattern is that a restore will use Full + Differential + Incremental backups which would require less tapes (see Example).

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