On 12/05/2016 04:18 AM, Tim wrote:
Allegedly, on or about 04 December 2016, Samuel Sieb sent:
I haven't tried using dd to write an optical disk. I would not expect
it work and it shouldn't work.
I haven't, either. But I'd be inclined to think that it would. If your
ISO file is simply an image of what is going to burnt to disc, in
essence what will be streamed to the laser, then you shouldn't have to
do much beyond sending the data towards the optical device.
The fly in the ointment would be whether a optical burner begins burning
when data is sent to it, or whether commands need issuing to it first
(and it could well be that dd isn't completely dumb, nor the device
handlers).
dd is "dumb" in that way, but it's possible the device driver might have
some sort of handling. But my understanding is that there's a certain
amount of device setup required which depends on which format you're
writing the data in. And I think there's some sort of redundancy info
that needs to be generated as well.
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