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  3. April 2025

Re: strategy to prove backups are good

Hello Jim,

Am 21.04.2025 um 21:41 schrieb Jim Oberholtzer <midrangel@xxxxxxxxxxxxxxxxx>:

Cumulative vs. incremental makes a big difference. The terminology (potentially) gets in the way.

Cumulative is all the changes since the last full save, so to restore I need the full, then the last cumulative.

Hm. I know this as "differential".

Incremental I would need the full save, then every incremental since then, validating your point.

So if it’s a cumulative, no worries.

Depends.

You do a full save on Sunday,
then you create a source member somewhere on Monday, which is saved Tuesday night.
At Thursday you decide to scrap it and delete the member.
Next Wednesday you want it back. But the Tuesday backup has already been expired…

:wq! PoC


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