The figure below visualizes a differential backup: ![]() This would help in avoiding tape changes (multiple tapes required for a restore), which is another relic from the disk-to-tape era. A restore would have a full backup tape and a second tape with all changes in the form of a differential backup. A differential backup is somewhat of a carry-over from the disk-to-tape era where there is a full backup with a comprehensive collection of the changes. In this post, I’ll explain these differences and show what Veeam does and why the options are what they are today.įirst, there are no differential backups with Veeam. ![]() ![]() In addition, there are frequent questions about the differences between incremental and differential backups. Many times when I explain how Veeam backups work, people have questions about how data is moved for incremental backups.
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