Re: CD/DVD Verify

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john bray a écrit :
> On Wed, 2006-09-13 at 16:47 +0100, Jonathan Allen wrote:
> 
>>Hi All,
>>
>>I'm looking to write CDs and DVDs with (relatively) important data on them.
>>I'm building a filetree, using 'mkisofs' to turn that into an ISO image and
>>then using cdrecord to burn it onto the appropriate media.
>>
>>So far, so good.  How can I verify that the media has recorded correctly ?
>>Do I have to mount the media and check each file, or is there some way to
>>verify the media itself against the ISO image file ?  I looked at 'readcd'
>>but it doesn't appear to do what I want - it actually seems to have some
>>difficulty reading the CD.  Any ideas ?
> 

Another idea (I use it to check the install disk of Fedora when the
check media utility fails):

mount your original image iso:

mount -o loop data.img /mnt

insert the CD/DVD you've burnt from it

Then: diff /mnt /media/dvd (whatever the name of your drive)
-- 
François Patte
UFR de mathématiques et informatique
Université Paris 5 - Paris
http://www.math-info.univ-paris5.fr/~patte


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