TheSnuke Posted March 29 Share Posted March 29 I recently purchased 3 6tb WD Red Plus drives. I've added them to the array and am moving data with unbalanced from my old drives to the new ones with the intention of shrinking the array to just these 3. Two of the disks are working fine but disk 9 keeps throwing disk read errors as soon as I try to move anything to it. It passed an extended SMART test. Any ideas? server-smart-20240329-1810.zip server-diagnostics-20240329-1807.zip Quote Link to comment
TheSnuke Posted March 30 Author Share Posted March 30 I didn't run pre-clear, I know Unraid cleared the disks before they were added to the array, my assumption was that was good enough. Do you recommend UD preclear? Quote Link to comment
ChatNoir Posted March 30 Share Posted March 30 4 hours ago, foo_fighter said: Were they all pre-cleared? Preclear is one option to stresstest a disk but is not mandatory. @TheSnuke, it seems to pass the Extended test, but still has a lot of errors. ID# ATTRIBUTE_NAME FLAGS VALUE WORST THRESH FAIL RAW_VALUE 1 Raw_Read_Error_Rate POSR-K 177 135 051 - 1025 That's not good, in your place I would have the disk replaced or reimbursed by the seller. Quote Link to comment
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