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Extremely slow parity sync

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I had a 2TB drive that was reporting errors, so I replaced it with another 2TB, but the parity sync is now going extremely slowly,  ~250 KB/sec.. 

 

I looked through the syslog and didn't see anything that jumped out at me.. diagnostics are attached. Any ideas greatly appreciated. 

 

publik-unraid-diagnostics-20220506-0036.zip

Solved by JorgeB

  • Community Expert

Onboard SATA is set to IDE, change to AHCI and try again.

  • Author

Thanks.. don't know how I didn't notice it was set that way. I just changed it to AHCI though, and the sync performance is the same.

 

Going to check again that the cables are good, etc and will report back.

  • Community Expert
  • Solution

If it's still slow also a good idea to run a test with the diskspeed docker to make sure all disks are performing normally.

  • Author

Update on this.. turns out the "new" drive (actually not-so-new) was no good. Put in a different one, and it's currently syncing at ~30MB/sec

 

Thanks for the help

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