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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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[–] countstex@feddit.dk 2 points 3 months ago (2 children)

I use backblaze too, started with the personal back up, but swapped to the B2 solution as it was supported by my NAS. The cost of the actual storage isn't much, most of the cost is in access, so for data that doesn't alter much it worked out just as cheap, and easier to do things that way.

[–] irmadlad@lemmy.world 2 points 3 months ago

and easier to do things that way.

I'm cheap and my labor is free. LOL But you do have a point.

[–] FreedomAdvocate@lemmy.net.au 1 points 3 months ago

The cost of B2 storage is very high, what are you talking about? USD$6 per terabyte per month would be like $4k a year for me.