[virt-tools-list] RFC: use virDomainMigrate3 in virt-manager
crobinso at redhat.com
Thu Sep 8 18:34:40 UTC 2016
On 09/07/2016 12:52 AM, Jim Fehlig wrote:
> On 09/02/2016 04:38 PM, Cole Robinson wrote:
>> On 08/31/2016 02:04 PM, Jim Fehlig wrote:
>>> Hi All,
>>> I received a bug report (apologies for no link, but it's not publicly
>>> accessible) about migration failing with virt-manager between Xen hosts. It's
>>> rather embarrassing to admit, but I've never tried migration with virt-manager
>>> and Xen :-/.
>>> The libvirt libxl driver for Xen only supports the extensible params version of
>>> the migration V3 API. virt-manager currently uses the virDomainMigrate API,
>>> which can accommodate migration protocol versions 1, 2 and 3, but doesn't
>>> support the extensible params variant of the V3 protocol. The virDomainMigrate3
>>> API does support the extensible params variant. Switching virt-manager to use
>>> virDomainMigrate3 would allow virt-manager's migrate functionality to work with
>>> hypervisors only supporting the newer migrate APIs.
>>> Any opinions on changing virt-manager to use virDomainMigrate3? Attached is an
>>> initial attempt at doing so.
>> Sounds good to me... I didn't realize Migrate3 was an actual public entry
>> point, I thought it was just an internal detail.
>> Is that patch fine to push or is there more to it? I see the 'Subject' has
>> 'PATCH 1/2' in it.
> It, along with another patch, fix migration with virt-manager between two
> libxl-based Xen hosts. Before sending the two as a series, it occurred to me
> that they are unrelated and should be discussed/sent separately.. IMO, this
> patch could be pushed as is. I've tested it with basic migration scenarios under
> KVM. I've also tested under Xen + the mysterious 'PATCH 2/2', which I'll send
> separately in a few minutes.
Sounds good, pushed this now
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