jbuszkie Posted March 11, 2020 Share Posted March 11, 2020 Some history... I had a 8T drive fail (red ball) recently in slot will call it A. I had a spare 8T unassigned device so I swapped it in and rebuilt fine. I ran pre-clear on the "failed" drive in slot A and it failed in the zeroing phase.. Ok maybe it was a bad drive. So I bought another 8T drive to keep as a spare. I shucked it and threw it into slot B. Slot B had an old 4T drive that I took out of service for some reason. I ran pre-clear on the new 8T drive in slot B and it ran fine. No issues other than a couple UDMA CRC errors. It was only like 4 or 5.. So I scratched my head and continued. I want to remove 3 2T disks so I put my "spare" in slot B in the array. I took all the stuff on one of the 2T disks and put it on the 8T drive in slot B. That ran fine an came up maybe with one or two more CRC errors. I zeroed out the 2T drive and emptied the 2nd 2T drive on the 8T in slot B. That went fine... but a couple more CRC errors. So I'm thinking maybe slot B has some issues with the cable? The first 2T was ready to be removed from the system So I removed it and created a new config and trusted parity. That went fine. I started a parity check and that was working fine so I stopped it. I shutdown the array and was going to try the new disk in a different slot. I moved the new 8T into slot A and removed the "failed" 8T I started the system and copied more files from the 2nd 2T disk that I wanted to empty. After that was done I noticed that the new disk in Slot A red balled!!! It had a bunch of errors (like 6k) Shoot! WTF! So now I put the new 8T back in Slot B. And it's currently being re-built! It's moving along at 7% with no disk errors. It's up to 14 CRC errors. but I think that's what it started with at the start of the re-build. So do I have a bad drive or bad slot(s). The slots are in 2 different 5 bay norco drive cages. Trying to figure out how to proceed.. Look to the experts here.. Quote Link to comment
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