July 26, 20187 yr My unRAID system was originally built out with 6tb data and single parity drives. A while back I upgraded the parity to a 8TB drive and started adding additional 8TB data drives to the system. Now I'd like to move to using dual parity. Can I add a second 10 TB parity drive with my current 8 TB parity drive? Then as funds become available, I would later replace/upgrade my first parity drive so they'd both be 10TB. Can I use two non-size matching parity drives? Or do both parity drives need to match size? 7 x 6 TB WD Red 2 x 8 TB WD Red 1 x 8 TB WD Red Pro Parity
July 26, 20187 yr Community Expert They don't have to be the same size, but each parity drive must be at least as large as the largest single data drive.
July 26, 20187 yr Author Perfect. Thanks. That what I had thought. But my searching couldn't find the answer.
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