[fedora-virt] F12 feature: Host information

Richard W.M. Jones rjones at redhat.com
Tue Jun 16 16:32:21 UTC 2009

On Tue, Jun 16, 2009 at 05:20:08PM +0100, Daniel P. Berrange wrote:
> On Tue, Jun 16, 2009 at 12:14:59PM -0400, James Hubbard wrote:
> > On Tue, Jun 16, 2009 at 12:08 PM, Richard W.M. Jones<rjones at redhat.com> wrote:
> > > On Tue, Jun 16, 2009 at 02:40:34PM +0100, Anand Kumria wrote:
> > >> For the guest side, it sounds like you will be inventing a text based
> > >> protocol to ask for statistical information about the host -- I just wonder
> > >> if such a protocol already exists. And if there is already a client for
> > >> that, then the guest side would just be the channel hookup, rather than any
> > >> client dev.
> > >
> > > I'm not aware of an existing protocol for that.  Does anyone
> > > have any suggestions?
> > 
> > Can't the data be published via SNMP and the admin could configure
> > what ever method to expose that to potential users?
> It is not explicit in Richard's feature page, but a core goal of this
> hostinfo service is to avoid any use of networking. We don't want to
> presume that a guest has a NIC, nor that the host has a configured
> NIC on the same LAN as the guest. 

Indeed - it's quite common for guests to have no common network with
the host.  In oVirt for example you have two physical network cards.


Richard Jones, Emerging Technologies, Red Hat  http://et.redhat.com/~rjones
Read my programming blog: http://rwmj.wordpress.com
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