[libvirt] esx driver: XML format for guest OS type/variant

[Jake Xu]

Thanks everyone. It's time to go home now. I will finish reading the thread
and respond later.

Jake

On Wed, Jan 12, 2011 at 4:09 PM, Richard W.M. Jones <rjones at redhat.com>wrote:

> On Wed, Jan 12, 2011 at 03:16:00PM -0700, Eric Blake wrote:
> > It may be worth adding an optional XML element that records a string to
> > use for the guestOS argument.  In fact, the libguestfs tool suite
> > already has some pretty decent ways to guess the OS of an arbitrary VM
> > guest (even when using other hypervisors, like qemu-kvm, which don't
> > have any counterpart of a guestOS argument in native format), but it
> > takes several seconds to figure that out per domain.  libguestfs would
> > certainly be pleased with a way to annotate guestOS details into an XML
> > description, rather than having to relearn it every time.
>
> Well libguestfs itself likely needs to inspect the disk every time
> (eg. the operating system might have been upgraded since last time).
> Also we don't necessarily have libvirt around - we can be asked to
> inspect a raw disk image.
>
> However I know that there was someone asking me if the inspection data
> could be cached in the libvirt XML so that they could query it out
> quickly later on.  Unfortunately I forget now who asked me this and
> which project wanted it (maybe Chris Lalancette??).
>
> Rich.
>
> --
> Richard Jones, Virtualization Group, Red Hat
> http://people.redhat.com/~rjones
> virt-top is 'top' for virtual machines.  Tiny program with many
> powerful monitoring features, net stats, disk stats, logging, etc.
> http://et.redhat.com/~rjones/virt-top
>
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