[gentoo-user] Re: Reading a DVD as an ISO image

[Grant Edwards <grant.b.edwards@gmail.com>]

On 2009-11-17, Jos? Romildo Malaquias <j.romildo@gmail.com> wrote:

> Once I have written a dvd ISO image to a dvd-r disk and then I have
> deleted the image from the hard disk. Now I need the image again, but
> reading the image from disk does not give me an identical image to the
> original one.
>
> I have used the commands
>
> $ readcd -vvv dev=/dev/dvd f=image.iso
>
> and
>
> $ dd if=/dev/dvd of=image.iso
>
> With both commands, the resulting image is 99.9% identical to the
> original one.

If you deleted the original, how do you know? the one you're
creating from the DVD isn't identical?

> Is there anything I can do to get an image identical to the
> original one?

Since you still seem to have a copy of the original ISO, just
use it.

-- 
Grant Edwards                   grante             Yow! I'm also pre-POURED
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