June 26, 20206 yr 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
June 26, 20206 yr Community Expert 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.
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