On Mon, Mar 10, 2003 at 11:38:21PM -0700, al davis wrote:
>
> > On Thu, 6 Mar 2003 04:22, Ray wrote:
> > >?how do i verify that the burned cd is correctly burned?
> > >
> > >?i burned a set of Debian 3.0r1 cds and have md5sums of the
> > > isos, but they don't match the output of
> > >?md5sum -b /dev/cdrom
>
> In my experience, the actual burn is often a little longer
> than the .iso it comes from. It is padded with something that
> might as well be garbage.
>
> If you only read the first N bytes, where N is the length of
> the .iso you used, it should work.
>
> How about ....
> head --bytes=426893452 /dev/cdrom | md5sum
Yes. It should work if you can read it all. My post on this thread
verified same thing using "dd" command.
Problem is that Linux errors when it encounters end of burn and drops
chunk of data causing lost tail end.
See more on the other post.
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