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Hot RAID swapping? (lemmy.world)

submitted 1 year ago by [email protected] to c/[email protected]

17 comments fedilink hide all child comments

I'd like to swap my spinning disks with SSD drives. I have the new disks and they're just larger than the old ones. My configuration is a RAID-5 with 3 disks (and one hot spare). Can I hot swap a single disk (HDD to SSD), wait for the new disk to rebuild, then repeat?

I'm thinking that I'd mark down the hot spare, replace it with an SSD, mark the SSD as hot spare, mark HDD 1 as "bad" causing the hot spare to activate, then repeat for the other 2 HDDs. I don't have a lot of experience with RAID, but did perform a single disk swap once with success.

If this is a bad idea, why? What's the best way to upgrade?

I'm not sure if this is the right community for this question. If not, please guide me to the right one.

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[–] [email protected] 1 points 1 year ago

I don't really need it online all the time, but I don't expect that I'll find time to do it all at once and I thought swapping may be a way to break up the job into interruptible segments.