Re: HVM migration

["Sam Fourman Jr." <sfourman%gmail.com@localhost>]

On Wed, Aug 26, 2009 at 1:51 PM, Christoph 
Egger<Christoph_Egger%gmx.de@localhost> wrote:
> Manuel Bouyer wrote:
>> On Wed, Aug 26, 2009 at 09:34:13AM +0000, Sam Fourman Jr. wrote:
>>> On Fri, Mar 6, 2009 at 2:18 PM, Christoph 
>>> Egger<Christoph_Egger%gmx.de@localhost> wrote:
>>>> Hi,
>>>>
>>>> I just tried to migrate a HVM guest with Xen 3.3 and -current amd64 Dom0.
>>>> It failed in tools/libxc/xc_domain_save.c, line 1175.
>>> Does anyone know if migration in any form works in NetBSD 5.x or current?
>>
>> I think save/restore and migration of linux domUs should work at last in
>> current. For NetBSD a few pieces are still missing.
>
> The question was about HVM guests, not for PV guests.
>
> When starting HVM guest migration, xc_save is used to save and transfer
> the host state.
> xc_save wants a suspend event channel which NetBSD Dom0
> doesn't provide yet. This lets xc_save fail.

are you aware of anyone working on this that may have a patch?

My Goal is to have several NetBSD based Dom0's and I want to be able to move
domu's between the Dom0's without shutting down the domu.


Sam Fourman Jr.