[libvirt] Finding Primary or Bootable disk

[Daniel P. Berrange]

On Tue, Nov 19, 2013 at 10:25:09AM +0500, Umar Draz wrote:
> Hi Daniel
> 
> I think I was'nt posted my question correctly, here is my senario I have a
> virtual machine with 3 drives
> 
> vda, vdb, sda
> 
> I want to hide the *DELETE* button against the primary disk of virtual
> machine, that was my question how to determine which is the primary disk of
> the VM.

My response below still answers this. You have to either consider the
order of the disks in the XML, or look at the boot order values - which
ever is relevant for the guest config in question.

> On Mon, Nov 18, 2013 at 7:15 PM, Daniel P. Berrange <berrange at redhat.com>wrote:
> 
> > On Fri, Nov 15, 2013 at 01:02:10AM +0500, Umar Draz wrote:
> > > Hi
> > >
> > > I am working with php-libvirt,
> > >
> > > How I can find the primary or bootable disk device of a virtual machine?
> >
> > This can be determined from the XML config. Either there will be a
> > <boot dev='cdrom|disk|floppy'> device type listed under <os> in which
> > case it'll use the first matching devices of that type, or there will
> > be explicit <boot order="NNN"/> ordering listed under the specific device

Regards,
Daniel
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