dd errors with certain DVDs

[Paul Smith]

On 3/28/07, Tony Nelson <tonynelson at georgeanelson.com> wrote:
> >> dd if=/dev/dvd bs=2048 count=$(isosize -d 2048 /dev/dvd) | sha1sum
> >
> >Does the above work in the case of CDs? Can one correctly create an
> >iso of a CD with
> >
> >dd if=/dev/dvd bs=2048 count=$(isosize -d 2048 /dev/dvd)
> >
> >?
> >
> >Paul
>
> dd if=/dev/cdrom bs=2048 count=$(isosize -d 2048 /dev/dvd)
>
> An ISO9660 filesystem is the same on CDs and DVDs.

Thanks again, Tony.

Paul