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How do you effectively backup your high capacity (20+ TB) local NAS? (lemmy.world)

submitted 3 months ago* (last edited 3 months ago) by NekoKoneko@lemmy.world to c/selfhosted@lemmy.world

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I have a 56 TB local Unraid NAS that is parity protected against single drive failure, and while I think a single drive failing and being parity recovered covers data loss 95% of the time, I'm always concerned about two drives failing or a site-/system-wide disaster that takes out the whole NAS.

For other larger local hosters who are smarter and more prepared, what do you do? Do you sync it off site? How do you deal with cost and bandwidth needs if so? What other backup strategies do you use?

(Sorry if this standard scenario has been discussed - searching didn't turn up anything.)

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[–] Brkdncr@lemmy.world 15 points 3 months ago (1 children)

Backup to 2nd nas.

Important stuff gets backed up to cloud storage. Whatever is cheapest.

In my case Synology c2 cloud was cheapest.

[–] raicon@lemmy.world 1 points 3 months ago (1 children)

c2 seems expensive, I would go with hetzner storage box + restic

[–] Brkdncr@lemmy.world 1 points 3 months ago

It offers some other features like hybrid access to data,If my nas isn’t available I can access it from their cloud. There’s also some identity services.