Received: by 10.213.65.68 with SMTP id h4csp42390imn; Fri, 30 Mar 2018 00:08:08 -0700 (PDT) X-Google-Smtp-Source: AIpwx4/suOeYv3JwHjTi7Ry09ATo5xVwmsKP4Nq6DAhHL9iuCIIJlWTRg75SrgfJEO1zKvazC/1z X-Received: by 2002:a17:902:9308:: with SMTP id bc8-v6mr11788160plb.189.1522393688139; Fri, 30 Mar 2018 00:08:08 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1522393688; cv=none; d=google.com; s=arc-20160816; b=ANlb3OE5xoJuCiQPi7AX+1MV1ncub572r0qIMaVIJquGvaNUgOe5HK4tskCJLKUo1z o4PCKrYXujlCoVBs2Lk9TU5GvBEUgni2fLw/hVm5pzma7Y8gSLSNmgDhQERxD0/mp5Bl 8vxhp+X5KzcJVoCcugu1oHIdqN+/hajw0xEJFLLIk97dUMqiTqcY7S4qiJKLIiolNfPz YhtsvJ8JEbgB+zc9rXWYOcJIPeVIRmZsi4Ca8xXh+tUs6lPFH8Q6sTec6a0kQ1tm7AWB KpzbVSZmZgbVVbKRNL5Nbnp83UdxjEyjP3qNrDM9X8Q3x/+54EBNyPALp+WL0x4/fwo+ EBiA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=IC0Z3e/KqswfOxzWZtZrrmsJ7NF7xWKYfQU1GEtxpN4=; b=rWIChMF4gTnOoXstMw3XBSagItXnMBTeXrjsViYOYq3o5fY+jucIpgWa/VyK/myQeO V0mfBoTOaBwzCO8p4DJNAesALN0pV+JUYt4ZMTvh64gNc22qBhCrbJOfj5fEpFlGr3Yi 2LvL0qW9IMfYrMsDYCfmnyRAckSiE7zmubo7PfpWsoFvSuiqy9Cjwwb+0n7T9Y+/IJ2D I/VALtU2lyxZjcgoJzbhxImhC6D6xnvTiNTNGIT41hh/tnxIua0r8VrxoMKfObki0NOW pg4ojmbiSQqOjXliKZ+fxBcCwWf29uXV74uenTxlHiz1FtIuKzugvnHgVBZwdEYcH8wP RWCQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id d12-v6si4275123plr.634.2018.03.30.00.07.54; Fri, 30 Mar 2018 00:08:08 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750967AbeC3HGx (ORCPT + 99 others); Fri, 30 Mar 2018 03:06:53 -0400 Received: from verein.lst.de ([213.95.11.211]:53845 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750741AbeC3HGw (ORCPT ); Fri, 30 Mar 2018 03:06:52 -0400 Received: by newverein.lst.de (Postfix, from userid 2407) id 717A768D40; Fri, 30 Mar 2018 09:06:51 +0200 (CEST) Date: Fri, 30 Mar 2018 09:06:51 +0200 From: Christoph Hellwig To: Baegjae Sung Cc: Keith Busch , Christoph Hellwig , axboe@fb.com, sagi@grimberg.me, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, Eric Chang Subject: Re: [PATCH] nvme-multipath: implement active-active round-robin path selector Message-ID: <20180330070651.GA17095@lst.de> References: <20180327043851.6640-1-baegjae@gmail.com> <20180328080646.GB20373@lst.de> <20180328194741.GJ13039@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 30, 2018 at 01:57:25PM +0900, Baegjae Sung wrote: > Our prototype uses dual-ported PCIe NVMe connected to a single host. The > host's HBA is connected to two switches, What "HBA"? We are talking about NVMe here..