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Re: [libvirt] [PATCH] Do not search xenstore for disk device IDs



On Tue, Feb 23, 2010 at 03:35:04PM -0700, Jim Fehlig wrote:
> Daniel P. Berrange wrote:
> > On Mon, Feb 22, 2010 at 02:50:07PM -0700, Jim Fehlig wrote:
> >   
> >> Disk devices can be referenced by name in Xen, e.g. when modifying
> >> their configuration or remvoving them.  As such, don't search
> >> xenstore for a device ID corresponding to the disk device.  Instead,
> >> search the disks contained in the domain definition and use the
> >> disk's target name if found.
> >>
> >> This approach allows removing a disk when domain is inactive.  We
> >> obviously can't search xenstore when the domain is inactive.
> >>     
> >
> > This sounds reasonable, but I'm wondering if old XenD support the
> > lookup-based on name ?
> >   
> 
> Yes, I had thought about this as well.  Guess it depends on how old we
> are talking about.  It exists in Xen 3.1.x and newer.  I wonder if we
> should even care about Xen 3.0.x.  The upstream tree hasn't been touched
> in 3 years.

  Well we still ship this, so it would be appreciated if it didn't
broke if libvirt got updated for some reasons ;-)

Daniel

-- 
Daniel Veillard      | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
daniel veillard com  | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library  http://libvirt.org/


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