Re: [Qemu-devel] [RFC][PATCH v6 00/23] virtagent: host/guest RPC communication agent

[Jes Sorensen]

On 02/21/11 14:36, Michael Roth wrote:
> On 02/21/2011 02:32 AM, Jes Sorensen wrote:
>> Well that isn't really different from the current setup - if QEMU
>> migrates, the admin tool has to connect to the new QEMU process and
>> issue the fsthaw command there instead.
>>
> 
> Another thing to consider is that virtagent is bi-directional, and may
> be tracking the state of state-full RPCs on behalf of the guest client,
> just as the guest daemon may be tracking the state of stateful RPCs on
> behalf of the host client. We cannot maintain consistent state without
> migrating the host-side state information along with the guest.

What kinda of usages do you expect to need to preserve state like this?
It seems a bad solution to me for the guest to be able to rely on state
in the host like this.

Cheers,
Jes