Disk error

[Russell Miller]

g wrote:
>
> in trying to follow along with what poc has gone thru with you and
> getting back to check sums, i am a little lost. i think. not sure. so
> excuse me if i repeat something.
>
> in reading check sums and having 2 dvd drives:
>
> on which drive did you run sha1sum? running 'sha1sum /dev/sr0' on both
> drives and both giving same results as when you checked iso file, will
> verify both drives, if they match value from sha1sum file. have you
> tried this? also, sha1sum will give you indication of drive ability to
> read entire dvd.
>   
Don't forget that some DVDs (particularly ones made by Sony) have some 
deliberately corrupted sectors in them that will cause IO errors on 
anything but an approved DVD player (they know to skip past them).

--Russell