this post was submitted on 22 Mar 2024
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Basically title. Is it common to use some kind of RAID for backing up other RAIDs or do people just go with single drives?

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[–] [email protected] 1 points 7 months ago

I use a RAID for the data but the backups go to simple single disks. My reasoning is, I already have a RAID and redundancy. And I don't have an unlimited budged. It'd already need 2 disks to fail to wreck the RAID and then also the backup has to fail with that solution. That's probably a fire or ransomware or a deliberate effort. Adding one more disk of redundancy would probably not change much. But It'd cost and add complexity.

Also this way I don't need to care about buying disks of a certain size and go through painful migration processes more than necessary. I can re-use the drives with mismatched sizes and swap them in to the backup pool.