December 17, 20214 yr (Ryzen- Current Server) x2 Parity:: x2 WD Red 8TB || x5* Data Disks:: x2 WD Red 8TB, x2 WD Red 5TB, x1* WD Red 6TB ( Intel-New Server) x2 Parity:: x2 WD Red 18TB || x3 Data Disks:: x1 WD Red 18TB, x2 8TB I'm planning to move to a new server with my data intact and a new data disk configuration (see above) & turn my current server into a off site backup with the remaining drives. Currently my 6TB hdd is dead in my current server (sounds like a record player when it powers on and won't show in BIOs). So currently one of my parity drives is emulating the content that was on the 6TB. What is the best/safest way to go about handling the migration? Do I first replace (inside the current server) 1 parity disk at a time until both are replaced with the 18TBs. Pre-clear the freed up 2x8TB and have one be the rebuild for the failed 6TB & the other replace one of the 5TB? Then ??somehow?? consolidate the data from the "now" 1x5TB,4x8TB,1x18TB to 1x18TB & 2x8TB? Then move my Unraid USB and drives into the new server? Thoughts? Ideas?
December 17, 20214 yr Community Expert Solution You could use Parity Swap to upgrade one of the parity and rebuild the data disk to that former parity.
December 19, 20214 yr Author Yes after reading up on the parity swap technique I believe this will be the solution to get my system stable. Once I preform this step I will work replacing the other parity drive and then shrink my array. Basically get my array in order in the old hardware before I migrate over to the new hardware.
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