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Buffer I/O Errors when adding drive to array

bobokun
in General Support

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When adding a drive to Unraid it clears the drive before adding it to the array. I'm seeing a few Buffer I/O Errors in the log while it is clearing. Is it still safe to add to the array? Prior to adding this drive I did a SMART extended self-test that resulted in no errors.

 

Example errors: 

Oct  3 07:19:11 unNAS kernel: Buffer I/O error on dev md5, logical block 0, async page read
Oct  3 07:19:13 unNAS kernel: Buffer I/O error on dev md5, logical block 1953506608, async page read

 

Please see attached diagnostics. Thank you!

unnas-diagnostics-20191003-2315.zip

  • Quote

    Those errors are normal for some time now during a clear, you can ignore them.

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