From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Xu <peterx@redhat.com>
Subject: Re: [PATCH 0/4 for 2.3] vhost-user live migration support
Date: Mon, 14 Dec 2015 18:09:38 +0800
Message-ID: <20151214100938.GD18437@pxdev.xzpeter.org>
References: <000001d133ed$b2446eb0$16cd4c10$@samsung.com>
 <20151211094934.GX29571@yliu-dev.sh.intel.com>
 <001c01d133fd$d3a7d870$7af78950$@samsung.com>
 <20151214035842.GB18437@pxdev.xzpeter.org>
 <00c401d13641$5e53cf20$1afb6d60$@samsung.com>
 <20151214090406.GC18437@pxdev.xzpeter.org>
 <00ec01d13654$5f904c20$1eb0e460$@samsung.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Cc: dev@dpdk.org
To: Pavel Fedin <p.fedin@samsung.com>
Return-path: <dev-bounces@dpdk.org>
Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28])
 by dpdk.org (Postfix) with ESMTP id C351C370
 for <dev@dpdk.org>; Mon, 14 Dec 2015 11:09:47 +0100 (CET)
Content-Disposition: inline
In-Reply-To: <00ec01d13654$5f904c20$1eb0e460$@samsung.com>
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

On Mon, Dec 14, 2015 at 12:46:57PM +0300, Pavel Fedin wrote:
> > Regarding to "with the same IPs on host side": do you mean that you
> > configured the same IP on two hosts in the intranet?
> 
>  No intranet. You can think of it as an isolated network between the host and guest, and that's all. I just assigned an IP to ovs' LOCAL interface on both hosts, and these ovs instances knew nothing about each other, neither they forwarded packets between each other. I didn't want to make things overcomplicated and decided not to mess with host's own connection to the intranet, just something that sits on the other side of vhost-user and replies to PINGs was perfectly OK for me.

I see.

> 
> > I think this
> > does not matter if we are testing it functionally (whether live
> > migration could work), However I would still perfer to try ping
> > another host (say, host3) inside the intranet. What do you think?
> 
>  Yes, perhaps this would be better test, may be next time i'll do it. Anyway, IIRC, PATCH v2 is coming.

Agreed.

Thanks!
Peter

> 
> Kind regards,
> Pavel Fedin
> Expert Engineer
> Samsung Electronics Research center Russia
> 
>