clovercake

Looks like this is the prob. Got 0 errors on the 3rd parity check.

> Parity swap copies parity to the larger disk then rebuilds the replaced data drive to that former parity drive. Is that what you actually did? Yes. Didn't realized there's a normal replace drive procedure, therefore went with the parity swap. Disk 1 (Old Parity) -> Data Drive Disk 2 (New Drive) -> Parity Disk 3 (New Drive) -> Data Drive

Sorry for the confusion. I bought two new drives (16TB). Replaced (Parity swapped) the parity drive (10TB -> 16TB) Then, added a new slot in the array for the second 16TB drive.

Added the first drive via the parity swap procedure (new drives are larger than the parity drive). Rebuilt parity. Then added in second drive. Rebuilt parity.

I did added 2 new drives on 7/15, but nothing between 7/17 ~ 8/16.

Had a unclean shutdown a few days ago, performed parity check and got 700m+ errors. Executed the parity check again, while expecting 0 errors, it still split out 400m+ errors at 80%. :( tower-diagnostics-20220807-2248.zip