Re: How to burn DVD to multiple drives?

[Joerg Schilling <schilling@fokus.fraunhofer.de>]

Volker Kuhlmann <hidden@paradise.net.nz> wrote:

> > mkisofs -o some_file .....
> > 
> > cdrecord dev=1,2,0 -dao -v some_file &
> > cdrecord dev=1,3,0 -dao -v some_file &
> > cdrecord dev=2,0,0 -dao -v some_file &
>
> That's the obvious, but has the downside that each burning process reads
> the file, potentially wasting a lot of I/O bandwidth.

On a decently designed OS, there is no waste of IO bandwidth as
the OS will cache the data that has already been read.

Jörg

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