From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75476C43381 for ; Thu, 21 Mar 2019 15:50:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4CCE020828 for ; Thu, 21 Mar 2019 15:50:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728088AbfCUPu5 (ORCPT ); Thu, 21 Mar 2019 11:50:57 -0400 Received: from mail-qk1-f196.google.com ([209.85.222.196]:39358 "EHLO mail-qk1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727857AbfCUPu4 (ORCPT ); Thu, 21 Mar 2019 11:50:56 -0400 Received: by mail-qk1-f196.google.com with SMTP id c189so16591626qke.6 for ; Thu, 21 Mar 2019 08:50:56 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=t5tC9zK6e4MdJt1+GTqKbh63owrSCxX6ReNsw/rDYW0=; b=cpXl1KL+TDSNQhsSfALuTx1uaN/nzz/3gvbXpv4cRCkQ8nJ5vYdAgi3V6rjx3NirVy 1GY8+f9Ics+B/c4z0MoiNjt68JWkc80nZn0A5nmqkyGXrrE0UTmgVLnrvzQej9GzomPA lRsvhlJT10h86To7n7baIhOZRRTH6/+UUMEmgBbY84kIjOmTpJ0N2Wh1XM1yPze7uz1O +X3bc/O8O9Iv5wd3TOIUdQlqQhEtiW0LKSKPt65iFVoemezlWuIPV1vIv435KGuiWzYy 7Z4IxvdpZCUmdRAGdCtK+73uBGesb6Wt45UYYJ5+1r8y6jOfnnQHi4u7ryW0PZP/ji3p +k1A== X-Gm-Message-State: APjAAAUpcHw4yRKheal3hGQEoGRo6NZKuiFiw49CQfuU4UfZ0LMXo9BO pjVVTpq/NKDkNg43f0cZp11Y3g== X-Google-Smtp-Source: APXvYqzKxUmMWo4L46LYqqr2M1iCyn4AzNkwZ1TUrzjf2YMO8Z6uGIHI8beSJuXF0pvLK7Fo3XZcoA== X-Received: by 2002:a37:b2c5:: with SMTP id b188mr3212752qkf.120.1553183455664; Thu, 21 Mar 2019 08:50:55 -0700 (PDT) Received: from redhat.com ([195.39.71.253]) by smtp.gmail.com with ESMTPSA id k68sm3120968qkf.16.2019.03.21.08.50.51 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 21 Mar 2019 08:50:54 -0700 (PDT) Date: Thu, 21 Mar 2019 11:50:48 -0400 From: "Michael S. Tsirkin" To: Stephen Hemminger Cc: Liran Alon , Si-Wei Liu , Sridhar Samudrala , Alexander Duyck , Jakub Kicinski , Jiri Pirko , David Miller , Netdev , virtualization@lists.linux-foundation.org, boris.ostrovsky@oracle.com, vijay.balakrishna@oracle.com, jfreimann@redhat.com, ogerlitz@mellanox.com, vuhuong@mellanox.com Subject: Re: [summary] virtio network device failover writeup Message-ID: <20190321114557-mutt-send-email-mst@kernel.org> References: <36772E22-7A8F-4C42-A731-398E3204B418@oracle.com> <20190320180641-mutt-send-email-mst@kernel.org> <20190321044920-mutt-send-email-mst@kernel.org> <20190321082532-mutt-send-email-mst@kernel.org> <20190321085159-mutt-send-email-mst@kernel.org> <2939FB15-720A-4C9E-92B7-2DBA139DDE0F@oracle.com> <20190321084517.773a65fa@shemminger-XPS-13-9360> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20190321084517.773a65fa@shemminger-XPS-13-9360> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Mar 21, 2019 at 08:45:17AM -0700, Stephen Hemminger wrote: > On Thu, 21 Mar 2019 15:04:37 +0200 > Liran Alon wrote: > > > > > > > OK. Now what happens if master is moved to another namespace? Do we need > > > to move the slaves too? > > > > No. Why would we move the slaves? The whole point is to make most customer ignore the net-failover slaves and remain them “hidden” in their dedicated netns. > > We won’t prevent customer from explicitly moving the net-failover slaves out of this netns, but we will not move them out of there automatically. > > > The 2-device netvsc already handles case where master changes namespace. Is it by moving slave with it? -- MST