On 12/05/2016 10:13 AM, Samuel Sieb wrote:
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.
/It NEVER used to require ANY such thing./
Why has dd been wrecked?
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