March 12, 20242 yr Hey, Replacing 2 8TB Parity Drives with 2 18TB Parity Drives so I can start upgrading the drives in my system. Parity2 rebuilt just fine. Parity1 keeps getting disabled like it's erroring out. I bought 4 - 18tb Drives and I've tried 3 as Parity1 and all 3 are failing yet all 3 pass their smart test. Not sure what's going on. I've attached the Logs if anyone can figure it out. Also Disk9 has errors.. my Plan was to replace the 2 8TB Parity Drives with the 18tb ones and then upgrade 2 of the drives (one being disk9) with the remaining 2 - 18tb drives plex-diagnostics-20240311-2132.zip Edited March 12, 20242 yr by rdubose
March 12, 20242 yr Community Expert Not sure what is going wrong - looks like it could be a cabling and/or power issue. Since the drive started throwing errors so quickly I would lead towards it being a power issue. You mention having 4 x 18TB drives. At the moment there are only 2 plugged in and neither has had a SMART test run on them although you implied you had done so. The extended SMART test tends to be the best check on the health of a drive.
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