On 12/05/2016 01:22 PM, Tim wrote:
Allegedly, on or about 05 December 2016, John Pilkington sent:
I don't really understand the wish to use dd for this.
Because it used to work...
I burn dvds from iso several times a week, using k3b in verify mode.
FWIW the growisofs command it uses is apparently:
In essence I agree that all that's required is for their to be some
suitable command line instruction for doing the job.
However, some of the tools are meant for creating the image that will be
burnt from ordinary files. In other words, the tools add in the headers
needed to use the disc (make it bootable, make it recognised as a file
system, etc.).
But in some cases, the thing that you want to burn is already
fully-prepared (such as system install ISOs), and adding another wrapper
around that causes problems (if its not smart enough to avoid doing
that). Giving you the ever-annoying situation where the DVD has one
file burnt on it, the original ISO image as one large unusable file.
That's why you use the correct tools for what you want to do. wodim
(cdrecord) just writes ISO images or audio tracks. growisofs can either
write a prepared image or can run mkisofs for you and then write the result.
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