On Fri, Sep 15, 2006 at 10:07:56AM -0400, Ronald Perez wrote:
> Gareth S Bestor/Beaverton/IBM wrote on 09/15/2006 09:57:44 AM:
>
> > certainly the CIM model supports the notion of 'recursive'
> virtualization hosting.
> > However, I'm unclear how much of that we want to try and slap into the
> API for
> > xend; in particular, are you thinking the host system will now running
> multipe
> > xend's, in different Domains?
> >
> > - G
> >
>
>
> You're correct to point out the differences between the CIM modeling goals
> and the Xen API (thanks, at this early stage, I often confuse the two).
>
> I guess I'm saying that the Xen API should not preclude such a direct
> mapping from model -> implementation. In practical terms, this could
> include the existence of multiple xend's (or equivalent) on a platform.
> This could be for the parent -> child scenario I mentioned before, or it
> could just be a high availability issue (e.g., sort of a dom0 hot
> back-up). Granted, there's a lot of clever engineering needed to make any
> of these scenarios a reality :-)
>
> So in summary, I tend to agree more with John's and Dan's approach (but
> I'd like to see some details in regard to the capabilities Dan mentions).
That's the $1,000,000 question :-) Just what capabilities do we need to
represent to meet the needs of management applications using the API ?
So far this thread has mentioned what lifecycle states are possible for
a given domain, and what resource adjustments can be made to a domain.
Its probably unrealistic to come up with a complete set ahead of time, so
we probably need an initial basic set which is expanded over time.
Dan.
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