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=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,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 545D8C43381 for ; Thu, 21 Mar 2019 15:45:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1F63A218A5 for ; Thu, 21 Mar 2019 15:45:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=networkplumber-org.20150623.gappssmtp.com header.i=@networkplumber-org.20150623.gappssmtp.com header.b="KVZg34k+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728316AbfCUPpW (ORCPT ); Thu, 21 Mar 2019 11:45:22 -0400 Received: from mail-pf1-f193.google.com ([209.85.210.193]:36465 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727823AbfCUPpW (ORCPT ); Thu, 21 Mar 2019 11:45:22 -0400 Received: by mail-pf1-f193.google.com with SMTP id p10so4562066pff.3 for ; Thu, 21 Mar 2019 08:45:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=pPsLm5XR2RpM9kHPzwjaoCcEngAnL+hZvBuj/tD1q5w=; b=KVZg34k+Qq3GRJlxc9mIMhZYPfRmdHcaNe8OVrhcqr4Z/LeA5uOqCOXeZGjZ424KDt qaZffoNkXhQuqnAccwzSpJ59aQrtwD9+tBilLHtxeThDRUeWi+VvfXnJrDObb6mCjJF9 +BEVQS6yNEoXSSBEHlzMvKyxSovbFf8B1Dc3FYzK+hFH7scPDduRFXhuc+/y73/t3Kss 3QNYdNtqJwQoJytFL8MDWVMH1B4ta16v4yatyh+V4esbaNOxAo6G2DqnWEgjKpHe5AgD p8P3vArneTgtRDLqXG33Dg7Kn9sPKEWXPXCwpIvwX/+caZzGRriT/spt4u2aGzANOD7V 9gDQ== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=pPsLm5XR2RpM9kHPzwjaoCcEngAnL+hZvBuj/tD1q5w=; b=p/lNidpQUEs+fdC3CnWPhdLePq8Weve0Rb893w4fHU3M4rwGpu/Iew+pcRFUJPqH9W 7+yo/BHjR63XPPDpsv+M7Xe5AT7JtJwBPK6wIKw8vchKGyRCf/tlZHlbj1POUHJHTGTf em1T+WGLAN4uZe5HeShkQBc8Ug6lRz6QVNawiOw16TdM9h02VjIorUCaJ8K/uvjkqRXK iST3V2AOxnzhgS84pA+jLNFL+u7/uwaIYOFqi1wT9Wn+C20q4KSt2RC2stEDbKrTsmoy TkwSp664lbaY5SbITRa2+LItCNqSYWigw99UfpWg7JOxe4iY31xjXVfMH5dhRRBxz2lW ZKAA== X-Gm-Message-State: APjAAAVMbaEG5nAY6J6jINSADr5THajgTKc8JDIgzpXybxqlKxVg6JYM ROMjIwjDVCu8Kjr1tpWO5UXXUQ== X-Google-Smtp-Source: APXvYqxGZ9UGIHMPaCifj+yobyKXPfnWUnxZ6Ek8C7aQxTejn4kaMMUkKmiRlzyZCEsxW3y+d20nfw== X-Received: by 2002:a63:e915:: with SMTP id i21mr3952344pgh.297.1553183121031; Thu, 21 Mar 2019 08:45:21 -0700 (PDT) Received: from shemminger-XPS-13-9360 (204-195-22-127.wavecable.com. [204.195.22.127]) by smtp.gmail.com with ESMTPSA id p3sm8322329pfp.136.2019.03.21.08.45.20 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 21 Mar 2019 08:45:20 -0700 (PDT) Date: Thu, 21 Mar 2019 08:45:17 -0700 From: Stephen Hemminger To: Liran Alon Cc: "Michael S. Tsirkin" , 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: <20190321084517.773a65fa@shemminger-XPS-13-9360> In-Reply-To: <2939FB15-720A-4C9E-92B7-2DBA139DDE0F@oracle.com> References: <20190320061632-mutt-send-email-mst@kernel.org> <20190320100747-mutt-send-email-mst@kernel.org> <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> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, 21 Mar 2019 15:04:37 +0200 Liran Alon wrote: > >=20 > > OK. Now what happens if master is moved to another namespace? Do we need > > to move the slaves too? =20 >=20 > No. Why would we move the slaves? The whole point is to make most custome= r ignore the net-failover slaves and remain them =E2=80=9Chidden=E2=80=9D i= n their dedicated netns. > We won=E2=80=99t prevent customer from explicitly moving the net-failover= slaves out of this netns, but we will not move them out of there automatic= ally. The 2-device netvsc already handles case where master changes namespace.