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How long should I keep my local and off-site backups? (lemmy.dbzer0.com)

submitted 2 years ago* (last edited 2 years ago) by [email protected] to c/[email protected]

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I'm currently using BackInTime and TimeShift to create local backups of my system and personal data. I configured both to keep 7 daily, 4 weekly and 6 monthly backups. I use this setup on my Desktop-PC as well as on my laptop.
Now I also use BorgBackup to create an additional backup of my local backups and right now use the same retention policy, so keeping 7 daily, 4 weekly, 6 monthly and 1 yearly backup.
This turned out to be a lot of data and my 1 TB off-site storage solution is currently using 953 GB of storage.
Now I was wondering if my double retention policy is even making sense and what others are using. So how long do you usually keep backups? How many backups do you keep and what would you suggest for my setup?

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[–] [email protected] 1 points 2 years ago (1 children)

Thanks, but that's not really helping me. I hoped for maybe advice to change my retention policy..

[–] [email protected] 2 points 2 years ago

Sorry! Was drinking! It was probably lost in the wall of text.

I only got up to 3 months, with a retention policy of 7day, 4weeks, 3months as the dedupe is very good. If I didn't have dedupe it would be only up to 4 weeks.

The reasons are, I notice if I've lost a file in <3months and if I lose a drive the latest backup would be the one I restore from. (Yesterday in this case).
Why would I ever need the 1 year old backup?

Hope that makes more sense.