[virt-tools-list] [PATCH 10/10] Add desktop profile for Windows

[Daniel P. Berrange]

On Sun, Jul 01, 2012 at 04:36:20PM -0300, Fabiano Fidêncio wrote:
> On Wed, Jun 13, 2012 at 4:47 PM, Zeeshan Ali (Khattak)
> <zeeshanak at gnome.org> wrote:
> > On Wed, Jun 13, 2012 at 6:49 PM, Daniel P. Berrange <berrange at redhat.com> wrote:
> >> On Wed, Jun 13, 2012 at 06:44:29PM +0300, Zeeshan Ali (Khattak) wrote:
> >>>
> >>> >  <install-script id='http://microsoft.com/windows/sif'>
> >>> >    <profile>desktop</profile>
> >>> >
> >>> >    <assets>
> >>> >       <disk media='floppy'/>
> >>> ..
> >>> >  <install-script id='http://fedoraproject.org/kickstart'>
> >>> >    <profile>desktop</profile>
> >>> >
> >>> >    <assets>
> >>> >       <disk media='harddisk'/>
> >>>
> >>> How do we make sure that we assume the correct device name/number/path
> >>> in the scripts? Why not have these as configuration parameters as well
> >>> so that app tells us where to find these? Some parameters could be
> >>> mandatory: app gets error if it doesn't set these params.
> >>
> >> I'd say the rule is that the disk external "data" disk should be the
> >> first available unit number, after the primary VM disks. As written
> >> the install scripts assume only a single primary VM disk is used.
> >> If we wanted to allow more, we'd have to add a new parameter to the
> >> install script API to allow the app to specify how many disks it is
> >> attaching.
> >
> > How does libosinfo knows what is the primary disk? Let me explain by
> > example: For fedora (or linux in general) the path to primary target
> > disk could be either /dev/vda or /dev/sda, depending on whether virtio
> > is being used or not. This will also impact the name/path of the
> > unattended disk: /dev/sda or /dev/sdb depending on whether /dev/sda is
> > being used for primary disk or not.
> 
> To be honest, it doesn't matter.
> IIUC, Boxes will support only "newer" distros (Fedora 15+, for example).
> And these distros, always, have support to virtio. So, we don't need
> to worry about it.
> Our first disk will always be /dev/vda and the disk with the image
> will always be /dev/sda.
> 
> Daniel, Zeeshan, it makes sense for you?

No, we can't assume that we'll only need to handle "new" distros. One of
the major selling points of virt is that you can utilization legacy
distros. Perhaps it might not be the top priority of Boxes, but users
will certainly expect to use old distros.


Daniel
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