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RAID is not a backup: the 3-2-1 rule, honestly (chartmann1590.github.io)

submitted 1 day ago by homelabtherightway@lemmy.world to c/homelab@lemmy.ml

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What actually counts as a copy under the 3-2-1 rule, why a RAID mirror or a snapshot only protects against one kind of failure, and the one-page inventory that exposes the gaps.

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Disclosure: this is my own article (Charles Hartmann, Homelab the Right Way). Written with AI help and edited by me; the setup described is mine.

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[–] Player2@sopuli.xyz 2 points 1 day ago

I agree. This is also nice because if you need more space in the future you can always add 8TB drives in pairs.