SMART test aborted with "Fatal or unknown error"

[AANever]

Hi All,

    I started to use UnRaid few months ago, I do love it. But yesterday, when I did regular disks SMART extended self-test, one of my data disk shows "Fatal or unknown error". However this disks is a quite new disk and looks pretty healthy(from SMART attributes read value). I did few trials but all end up showing same errors. All other my three disks(another 2 data disk and one parity disk) run through SMART test fine. Same cables used for the four disks.

Below is a screenshot for what I saw:

 

I attached the full SMART report and ask for help from you. Need to know what is going on and if the disk is really failing....

 

Thanks in advance!

yngg-nas-smart-20200625-2124.zip

[JorgeB]

Disk looks OK but it's not good that it can't complete a SMART test, if it's in warranty replace it, if not run a parity check or preclear read test to see if there are any read errors.