this post was submitted on 02 Dec 2024
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I have a 2 bay NAS, and I was planning on using 2x 18tb HDDs in raid 1. I was planning on purchasing 3 of these drives so when one fails I have the replacement. (I am aware that you should purchase at different times to reduce risk of them all failing at the same time)

Then I setup restic.

It makes backups so easy that I am wondering if I should even bother with raid.

Currently I have ~1TB of backups, and with restics snapshots, it won't grow to be that big anyways.

Either way, I will be storing the backups in aws S3. So is it still worth it to use raid? (I also will be storing backups at my parents)

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[–] Mikelius@lemmy.ml 6 points 2 weeks ago (1 children)

Raid 1 has saved my server a couple of times over from disaster. I make weekly cold backups, but I didn't have to worry about it when my alert came in notifying me which drive went dead - just swap, rebuild, move along. So yeah I'd say it's definitely worth it. Just don't treat raid as a backup solution - and yes, continue to use an external cold storage backup solution as you mentioned. Fires, exploding power supplies, ransomware, etc don't care if you're using raid or not.

[–] possiblylinux127@lemmy.zip 1 points 2 weeks ago

It is also useful to stop silent corruption