paul at city-fan.org
Wed Sep 13 16:06:48 UTC 2006
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 ?
You could read back the data from the CD device using dd and then
compare what you get back with the original ISO.
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