[Pkg-libvirt-maintainers] Bug#698093: Bug#698093: libvirt-bin: Enable Xen libxl backend

[Guido Günther]

On Sun, Jan 20, 2013 at 04:06:12AM -0500, 小龙 陈 wrote:
> > Date: Mon, 14 Jan 2013 08:14:46 +0100
> > From: agx at sigxcpu.org
> > To: chillermillerlong at hotmail.com; 698093 at bugs.debian.org
> > Subject: Re: [Pkg-libvirt-maintainers] Bug#698093: libvirt-bin: Enable Xen libxl backend
> > 
> > On Sun, Jan 13, 2013 at 07:05:12PM -0500, Xiao-Long Chen wrote:
> > > Package: libvirt-bin
> > > Version: 1.0.0-0ubuntu4ppa1~raring1
> > 
> > Please don't file bugs against Ubuntu versions.
> Sorry about that. I should have read the guidelines for bug reporting in Debian.
> > 
> > > Severity: normal
> > > 
> > > Please enable the libxl backend for Xen in libvirt. Version 1.0.0 and above
> > > support this backend. Xen is already deprecating the old xm/xend toolstack in
> > > Xen 4.2 and is moving to the xl toolstack.
> > 
> > It's not that simple. We need to offer a migration path for existing
> > configurations. Do you want to work on that?
> > Cheers,
> >  -- Guido
> > 
> 
> Would migration be necessary? As far as I know, libvirt will
> automaticallyfall back to the current xen driver if xend is running.
> It will only use xl ifxend is not started.  > Am I correct to assume
Did you try this? Last time I checked the libxml driver would take
precedence over xend.

> that any existing libvirt configuration for xen wouldhave xend started
> automatically as it is required?
No. Libvirt doesn't setup the hypervisor it "only" looks for available
ones.
Cheers,
 -- Guido

> Cheers,Xiao-Long Chen