June 17, 20224 yr My current parity drives are 12TB and I've got two 14TB on the way. I'll be swapping the 14TB drives in as parity, removing two 4TB drives and replacing them with the 12TB drives that are currently parity. What is the easiest/fastest order of operations that I can achieve this? Right now I'm thinking it will take 4 parity rebuilds to pull this off, which will take a very long time.
June 17, 20224 yr Community Expert Solution You could upgrade the two parity disks at the same time then upgrade the two data disks also together, just two rebuilds total, of course there's also more risk than doing one at a time, recommendation will depend on the backup situation, etc.
June 17, 20224 yr Author Rebuilding both parity at the same time makes sense, but wouldn't replacing both data disks at the same time cause data loss? I thought if I lose/remove more than 1 data drive at once then I lose data?
June 17, 20224 yr Community Expert 2 minutes ago, glave said: but wouldn't replacing both data disks at the same time cause data loss? Why? That's what dual parity is for.
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