* [Qemu-devel] qemu rdma live migration
@ 2014-12-03 12:36 Vasiliy Tolstov
2014-12-03 13:38 ` Dr. David Alan Gilbert
0 siblings, 1 reply; 5+ messages in thread
From: Vasiliy Tolstov @ 2014-12-03 12:36 UTC (permalink / raw)
To: qemu-devel
Hello. I don't find info about how qemu doing live migration via RDAM
- my specific qeustion - does it need ethernet connection for some
info, or can use native RDMA and resolve nodes via GUIDs ?
--
Vasiliy Tolstov,
e-mail: v.tolstov@selfip.ru
jabber: vase@selfip.ru
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Qemu-devel] qemu rdma live migration
2014-12-03 12:36 [Qemu-devel] qemu rdma live migration Vasiliy Tolstov
@ 2014-12-03 13:38 ` Dr. David Alan Gilbert
2014-12-03 13:48 ` Vasiliy Tolstov
0 siblings, 1 reply; 5+ messages in thread
From: Dr. David Alan Gilbert @ 2014-12-03 13:38 UTC (permalink / raw)
To: Vasiliy Tolstov; +Cc: qemu-devel
* Vasiliy Tolstov (v.tolstov@selfip.ru) wrote:
> Hello. I don't find info about how qemu doing live migration via RDAM
> - my specific qeustion - does it need ethernet connection for some
> info, or can use native RDMA and resolve nodes via GUIDs ?
The entire migration stream is passed over the RDMA; however
I'm not clear how the address lookup works, what you pass to the
migration command is the IP associated with the interface.
Dave
>
> --
> Vasiliy Tolstov,
> e-mail: v.tolstov@selfip.ru
> jabber: vase@selfip.ru
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Qemu-devel] qemu rdma live migration
2014-12-03 13:38 ` Dr. David Alan Gilbert
@ 2014-12-03 13:48 ` Vasiliy Tolstov
2014-12-03 13:55 ` Dr. David Alan Gilbert
0 siblings, 1 reply; 5+ messages in thread
From: Vasiliy Tolstov @ 2014-12-03 13:48 UTC (permalink / raw)
To: Dr. David Alan Gilbert; +Cc: qemu-devel
2014-12-03 16:38 GMT+03:00 Dr. David Alan Gilbert <dgilbert@redhat.com>:
> The entire migration stream is passed over the RDMA; however
> I'm not clear how the address lookup works, what you pass to the
> migration command is the IP associated with the interface.
>
> Dave
Yes i see this. So as i understand working ethernet connection between
nodes needs to be established before live migration. Thanks
--
Vasiliy Tolstov,
e-mail: v.tolstov@selfip.ru
jabber: vase@selfip.ru
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Qemu-devel] qemu rdma live migration
2014-12-03 13:48 ` Vasiliy Tolstov
@ 2014-12-03 13:55 ` Dr. David Alan Gilbert
2014-12-03 14:24 ` Vasiliy Tolstov
0 siblings, 1 reply; 5+ messages in thread
From: Dr. David Alan Gilbert @ 2014-12-03 13:55 UTC (permalink / raw)
To: Vasiliy Tolstov; +Cc: qemu-devel
* Vasiliy Tolstov (v.tolstov@selfip.ru) wrote:
> 2014-12-03 16:38 GMT+03:00 Dr. David Alan Gilbert <dgilbert@redhat.com>:
> > The entire migration stream is passed over the RDMA; however
> > I'm not clear how the address lookup works, what you pass to the
> > migration command is the IP associated with the interface.
> >
> > Dave
>
>
> Yes i see this. So as i understand working ethernet connection between
> nodes needs to be established before live migration. Thanks
I don't think it needs ethernet; it needs an IP address but that
can be IPoIB.
Dave
>
> --
> Vasiliy Tolstov,
> e-mail: v.tolstov@selfip.ru
> jabber: vase@selfip.ru
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2014-12-03 14:24 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2014-12-03 12:36 [Qemu-devel] qemu rdma live migration Vasiliy Tolstov
2014-12-03 13:38 ` Dr. David Alan Gilbert
2014-12-03 13:48 ` Vasiliy Tolstov
2014-12-03 13:55 ` Dr. David Alan Gilbert
2014-12-03 14:24 ` Vasiliy Tolstov
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