[TriLUG] Anyone using rdiff-backup?

Brian Bouterse via TriLUG trilug at trilug.org
Sat Feb 25 09:25:29 EST 2023


It's a differential backup so each backup can be restored as a point in
time snapshot but it minimizes storage by only storing the diffs in between
each one. Typically with regular differential backups the full copy is kept
as the first backup and all subsequent back ups are diffs. With a reverse
differential the latest backup is always the full copy.

What's really nice about that is the latest backup is usually much more
useful than the first backup. By being stored in this way you don't need
any reassembly to access the latest backup files.

On Sat, Feb 25, 2023, 2:15 AM Steve Litt via TriLUG <trilug at trilug.org>
wrote:

> Brian Bouterse said on Tue, 21 Feb 2023 10:26:16 -0500
>
> >I use rdiff backup. It works well. If the requirement is reverse
> >differential backups then it's the right tool. I also use rsync, but it
> >does not support reverse differential as far as I know.
>
> What are reverse differential backups?
>
> SteveT
>
> Steve Litt
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