That just displays in a nicer form the same logs that can be read with smartctl.
The progress displayed is somewhat illusory, because the estimated time until finish that is provided by the HDDs is unreliable. It is frequently wrong for the long test by even 20% to 50%, which means a difference of several hours.
The progress displayed is somewhat illusory, because the estimated time until finish that is provided by the HDDs is unreliable. It is frequently wrong for the long test by even 20% to 50%, which means a difference of several hours.