Does Amanda support differential backups?

This article is for Amanda Enterprise (AE)

Info Type: General

Info Description:

Differential backups contain all changes since last full backup.

Amanda terminology

Level 0 backup is full backup
Level 1 backup contains all changes since last level 0 backup.
Level 2 backup contains all changes since last level 1 backup.

Level n backup contains all changes since last level n-1 backup.

All amanda applications do not support all backup levels. Linux filesystem application (amgtar)
supports backup levels 0-399. All Amanda Enterprise applications support level 0 and 1
backup levels.

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