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Parity-Check Estimated Finish 450+ Days

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My server has been running really slow lately and I wasn't sure why. There have been some reboots done and an unclean shutdown due to power outage, but now, restarting the server, it is taking about 450+ days to do the parity-check. It wasn't always this way. Anyone know why?

badwolf-diagnostics-20260804-2300.zip

  • Community Expert

Check/replace cables for disk2, then post new diags after starting a new check.

  • Author

Thank you for this information. I have now shutdown the server and will check/replace cables after work. Will post new diags once completed.

  • Author
On 8/4/2026 at 11:42 PM, JorgeB said:

Check/replace cables for disk2, then post new diags after starting a new check.

Replaced the cables and looks like parity check is now around 18 hours.

badwolf-diagnostics-20260807-1313.zip

  • Community Expert
8 hours ago, OrphanFruiteh said:

Replaced the cables and looks like parity check is now around 18 hours.

badwolf-diagnostics-20260807-1313.zip

Rule of thumb is about 1.5 hours /TB based on the largest disk you have

My 12TB disk takes about 22-25 hours

  • Community Expert

Looks good so far, no ATA errors.

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