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Re: [libvirt] [PATCH 0/1] enospace disk error policy



On Fri, Apr 09, 2010 at 11:44:30AM +0300, Dan Kenigsberg wrote:
> On Thu, Apr 08, 2010 at 04:11:32PM -0400, David Allan wrote:
> > Dan Kenigsberg requested that we add an option to explicitly request enospace as the disk error policy.
> > 
> 
> Well, to be more exact, I asked if leaving it out was intentional ;-)
> (But I do think that alowing explicity here is a good idea, thanks)
> 
> I do have one issue with error_policy: for qemu-0.12 (with -drive and
> id=) libvirt creates a command line such as
> 
> qemu-kvm -drive file=/tmp/1.qcow2,format=qcow2,if=none,werror=stop,id=drive-ide0-0-0
> 
> Which qemu does not like ("werror is no supported by this format"). This
> error goes away if the "if=none" clause is dropped. I'm not sure if it
> is not a qemu bug, though.

Yeah its a QEMU bug - there's a BZ open about this.  Basically they have
a bogus checking on IF_NONE that doesn't take account of the new style
options using -device


Daniel
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