[SATLUG] simultaneously burning multiple DVDs

Bruce Dubbs bruce.dubbs at gmail.com
Wed Dec 31 12:23:06 CST 2014

Borries Demeler wrote:
> Just to be clear:
> Each writing process would be done with its *own* software instance. So
> if I had 4 drives I would start 4 instances of the writing software
> (each reading from the same RAM drive source), and each dedicated only
> to a *single* drive.  None of the software instances would be required
> to pass data to multiple drives and multiplex several data streams,
> *except* of course the Linux kernel.
> I believe Brad pointed out that the driver (part of the Linux kernel)
> may have a limitation of only being able to buffer a small amount of
> data, insufficient for supplying each cdrecord instance with sufficient
> data to keep the writing process going smoothly? So, do I understand
> correctly that the problem is not with the writing software (cdrecord),
> but a fundamental limitation in the Linux kernel's DVD driver module?

Did you see this:


I haven't read through it all, but it may be helpful.

   -- Bruce

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