[H-GEN] verifying Burnt CDs

Brenton Bills billsb at optushome.com.au
Mon Dec 23 22:48:15 EST 2002


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Greetings Matthew,

On Tue, Dec 24, 2002 at 01:46:24PM +1000, Matthew Taylor wrote:

> This should produce a md5sum to match the md5sum of the original iso image.
> 
> I could swear previous CD's burnt using this method validated OK, 
> recently this does not appear to be the case, despite slower CD burn 
> rates and various CD blanks in a new CD Burner.
> 
You could also try mounting the iso image on the loopback or how ever
you do it (I know freebsd method, never tried in linux) and check that
the individual files have the same md5sums to that of the files on the
cd.

Something like,

find . /cdmountpoint -exec md5sum {} \; > output
find . /isomountpoint -exec md5sum {} \; > output2

diff output output2

Might work.

Regards,
Brenton Bills.

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