Re: [ILUG] Cd copier Multiplexing

From: Vincent Cunniffe (vincent at domain beacon.ie)
Date: Mon 31 May 1999 - 12:07:45 IST


Owen Kelly wrote:
>
> Hey Guys,
>
> See if you can answer me this. Theres a music studio in Bandon trying
> to set up a multiple cd copying box, in Linux if they can. Theyre
> looking for software that will burn 7 copies simultaneously via SCSI.
> Anyone know of good multiplexing software for Linux?

You shouldn't need any multiplexing software at all...

Just take the CD to be copied, and read it to an image, and start the 7
CD writing processes running.

Even assuming 4x CD Writers, that's still only 7x600k = 4.2MB/s
throughput on the SCSI bus, with minimal CPU overhead and very little
disk reading, because it'll cache everything after the first read.

Vin



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