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A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.

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How should I do backups? (sh.itjust.works)

submitted 7 months ago* (last edited 7 months ago) by [email protected] to c/[email protected]

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I have a server running Debian with 24 TB of storage. I would ideally like to back up all of it, though much of it is torrents, so only the ones with low seeders really need backed up. I know about the 321 rule but it sounds like it would be expensive. What do you do for backups? Also if anyone uses tape drives for backups I am kinda curious about that potentially for offsite backups in a safe deposit box or something.

TLDR: title.

Edit: You have mentioned borg and rsync, and while borg looks good, I want to go with rsync as it seems to be more actively maintained. I would like to also have my backups encrypted, but rsync doesn't seem to have that built in. Does anyone know what to do for encrypted backups?

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[–] [email protected] 3 points 7 months ago (2 children)

How do you handle the cache invalidation issue with Borg when backing up multiple systems to one repo? For me if I access a Borg repository from multiple computers (and write from each) it has to rebuild the cache each time which can take a long time.

[–] [email protected] 3 points 7 months ago* (last edited 7 months ago) (1 children)

I seperate them by archive name prefix and never had the issue you describe.

Edit: it seems I just never noticed it, but the docu suggest you're right. Now I am confused myself lol.

https://borgbackup.readthedocs.io/en/stable/faq.html#can-i-backup-from-multiple-servers-into-a-single-repository

[–] [email protected] 2 points 7 months ago

big reason why i switched to kopia, borg just doesnt cut it anymore..

[–] [email protected] 0 points 7 months ago

Easy: I make a Borg repository not only for a single server but for each directory. In this way if I need a file from nextcloud with an extremely generic name like "config" I only search in there and not sift between 100k similarly named files