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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] QEMU/pc and scsi disks
Date: Fri, 2 Mar 2007 15:42:42 +0000
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To: qemu-devel@nongnu.org
Cc: Laurent Vivier <Laurent.Vivier@bull.net>

> > > There's also no reason to limit to 7 disks, and we should support scsi
> > > cdroms.
> >
> > The reason for 7 is the number of available id on the scsi bus.
>
> For wide scsi it is 15.

I wouldn't bet on wide scsi working.
For PCI based systems you can add more host adapters to get more devices. I 
haven't actually tested this, but it should work.

Paul