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URGENT: Array has 2 disks with read errors

Featured Replies

Today I woke up with this error, I immediately disabled docker and the vm, I cannot get to the web ui, as usual when there are problems, I cannot restart nginx from terminal, but I can run diagnostics, hope two disk didn't exploded simultaneosly, I have only one parity

Diagnostics are generating for the past 20 minutes, when I have them I'll send, for now I can send logs
Please help me

sanitized_unraid_logs.txt

Solved by JorgeB

  • Community Expert
  • Solution

Looks like a power/connection issue; check/replace cables for both disks, especially if they share something like a power splitter, then post new diags after array start.

  • Author

im waiting for extended smart and diagnostic but they're taking a long time

  • Community Expert
2 hours ago, PilaScat said:

extended smart

This can take a long time. Typically something of the order of 1-1.5 hours per TB of the drive being tested.

  • Author
1 hour ago, itimpi said:

This can take a long time. Typically something of the order of 1-1.5 hours per TB of the drive being tested.

I see, probably I'll shut down

  • Author

rebooted, welcomed with
unRAID: Notice [UNRAID] - array turned good

Array has 0 disks with read errors
Should I start the array?
unraid-diagnostics-20251025-1814.zip

  • Community Expert

Looks good so far. Assuming you have already checked/replaced the cables for those drives, just keep monitoring.

  • Author
25 minutes ago, JorgeB said:

Looks good so far. Assuming you have already checked/replaced the cables for those drives, just keep monitoring.

I replaced sata cables, now I'm doing a parity check, 5 hours to go, if it fails what I need to do? Or it fixes the files automatically? I never got in this situation

  • Community Expert

Post new diags if there are more errors.

  • Author

Parity finished, no errors, started the array and dockers, I may now breathe a sigh of relief, thanks

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