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Keep getting random read errors on multiple drives even after running extended test on all drives

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Hello

I have been strugging with read errors on multiple drives, even after running extended SMART test, some of these are brand new 8TB drives. 
This happens while moving data from my old Windows-server to the new Unraid-server. 
See attached diagnostics, I don't even know where to start to look from here...

2 drives are now disabled, currently running a parity check. image.thumb.png.9caa0cd2451a28c6f524150e050e18cb.png

regulus-diagnostics-20231112-1252.zip

Edited by PsykoRage
Additional info

  • Community Expert

Looks like a controller issue, disks are dropping two by two.

  • Author

That was my suspicion aswell, I had 2 of the same controllers and already returned one because it was DOA. Guess I'll just have to wait and see what the result of that is first. 

  • Community Expert

Another possibility might be power issues.   This could be a PSU problem, but can also occur if you use power splitters to get the number of connections you need.

  • Author
6 hours ago, itimpi said:

Another possibility might be power issues.   This could be a PSU problem, but can also occur if you use power splitters to get the number of connections you need.

Yea, I'm gonna test that when the parity check is done again.

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