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Date: Wed, 30 Nov 2011 12:51:23 +0000
From: "Daniel P. Berrange" <berrange@redhat.com>
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Subject: Re: [Qemu-devel] Using AHCI drives in qemu
Reply-To: "Daniel P. Berrange" <berrange@redhat.com>
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To: Chris Webb <chris@arachsys.com>
Cc: qemu-devel@nongnu.org

On Wed, Nov 30, 2011 at 12:42:56PM +0000, Chris Webb wrote:
> Thanks for the swift reply!
> 
> "Daniel P. Berrange" <berrange@redhat.com> writes:
> 
> > Using  -drive with an if=XXX which is anything other than 'none' is the
> > deprecated / legacy syntax. The way libvirt does AHCI is to use the more
> > verbose/modern syntax:
> > 
> >     -device ahci,id=ahci0
> >     -drive  if=none,file=/var/lib/libvirt/images/test/disk0.raw,format=raw,id=drive-sata0-0-0
> >     -device ide-drive,bus=ahci0.0,drive=drive-sata0-0-0,id=sata0-0-0
> 
> Gosh, this is incredibly verbose for normal command line use. Whilst I can
> see it's nice to have fine control over the detail (and bus/device ids) when
> you need it, having to write out a command line of that length just to
> attach a drive is a real pity.
> 
> I could cook up a patch to do something sane with -drive if=ahci as a more
> manageable command-line alternative, but is there any chance of this being
> accepted if that you're describing the compact syntax as deprecated?

I'm fairly sure such a patch would still be accepted.

Regards,
Daniel
-- 
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