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=-0.7 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 636ECC433E0 for ; Wed, 6 Jan 2021 08:21:34 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id F335F23105 for ; Wed, 6 Jan 2021 08:21:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F335F23105 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:To:Subject:Message-ID:Date:From:In-Reply-To: References:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=3LJGDkRS10530ykkfU7+EkG6JlW/Y+tpy78VhAt2j5g=; b=yyyum131cugt5A5NpDhstQDn0 eB9DzFdlEHJiQQzuwPpPxsZmLvyvq6VT5SPL4fxJPvCInyKdpUluAhzbroYyO6xiDo8WfsS53wKt3 GX7t8Nq7TigBYz8idV8yIC2zKLyYGl5Ksp3Y9maHAxIq85MI+5a+yYJsTvNcy/X81E5p8wN6shW3u fi+mMs0UKm9ZwFIVnOADn7A8sx4VVbDjxgMp+EKJCN75x8k7McbPTx3qYBwBQ1cqT3cXJdADyPdHW ZW6RTU6LHZQ8WXVAJCxJGkQ5d0GwDIoqkaYyDvrUo8Gn1TGOdzXOuNGChj0F19odVIPCsOciBQpMM rYrIFRhiw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kx44J-0001ev-0e; Wed, 06 Jan 2021 08:21:23 +0000 Received: from mail-ed1-x52e.google.com ([2a00:1450:4864:20::52e]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kx44E-0001dn-TS for Linux-nvme@lists.infradead.org; Wed, 06 Jan 2021 08:21:19 +0000 Received: by mail-ed1-x52e.google.com with SMTP id r5so3556629eda.12 for ; Wed, 06 Jan 2021 00:21:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=zs7ZbPd23GibHm7zDlwWFsES3tdAlQiEZOlKRWRgaa0=; b=jLIVF9dx+SeL/d9jNSy/YHCKSis9eRlMXeWuR/74ZWIMUB2mUE5d4OzFSRrkfOLlCo zNcw2xddp9I+VGfibIa9okNn6PLPSe/NV6MDqwOQ1i78omnBc2P850w+fD8qHrmfOiT1 4cyB/9+HMEozJgR98N0gCE86btEnDvXL1ikB15zSdt1Wd/o9+pQ0EVfFbxuoZAdyv0nE xjQxgf2P6ClgAPSwnRQo3P+wQWLVO+K48VaKrlYVbz6MwCdm/DBSyD8UwQnM1Y4cml61 zJdO7cgj275a2YSPfAlSPjtQCDB3vp9pzjnnjFyboEZWmWm0S2wqPbtlnKPF/o0W0B3T EToQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=zs7ZbPd23GibHm7zDlwWFsES3tdAlQiEZOlKRWRgaa0=; b=WsGH+zjmmRjyWaX6pVlcABDvLsmxuKYYPoLTigfSYi1W2WV8ZCmNCEQCTAr7PGzAYK kNepOni3FsqtE/6BE+/muCeuhuPPPdjCDNL8xKQoDugD+WLEhA1e6j4IWAYsuvdDtPGF qoyOYr2FURYZ+RoYgp5+NsTqYUJ5AKGze2pkPF1jgDn7O8SWpb3IpDqtLuidkLCwbs7B CkhBiWGr7tO4LH7bz6YdMvHP+Jq/0Em9NAC2Apg0WGkN7lWXulEXG4MYwSybiaqycU6r lN1EaNSdn+k2XeGsD8NURybs3P3h7wQboBK3KckiHuHbuv+C1LWZm0V+iOIqdN/v2rQj 9tvA== X-Gm-Message-State: AOAM533oYDlx9WQJ48/TdSzOh29gZJ4evto/tLGJwa8fb2Q/HJwxm7IH mTBiwBqoQHe2D6OaGcuXneOOjt8fJwGlQlSjaF1MKv1i X-Google-Smtp-Source: ABdhPJw9FlHRn7BIgXuv/QLKU91Ul/s/IiWHk6gQMJuPg5tdkO1sq+r4dpxEqthDFcIfFuemThI9TQ6HILohso7pGw4= X-Received: by 2002:a05:6402:30ac:: with SMTP id df12mr3350441edb.175.1609921275795; Wed, 06 Jan 2021 00:21:15 -0800 (PST) MIME-Version: 1.0 References: <2c0ff5ec-4ae2-ad29-67fb-4744514dab47@grimberg.me> <20201223084332.GA30502@infradead.org> <16d876c1-524a-38d3-3cff-99ec694464b2@grimberg.me> In-Reply-To: From: Hao Wang Date: Wed, 6 Jan 2021 00:21:04 -0800 Message-ID: Subject: Re: Data corruption when using multiple devices with NVMEoF TCP To: Sagi Grimberg X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210106_032118_967239_7C851F42 X-CRM114-Status: GOOD ( 11.01 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Christoph Hellwig , Linux-nvme@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Plan to get to this over the coming weekend. Sorry for the delay. On Tue, Jan 5, 2021 at 5:53 PM Sagi Grimberg wrote: > > Hey Hao, > > > Okay, will do that in a few days. Something else just popped up and I > > have a limited time window to use some machines. > > > > BTW, what is the performance implication of disabling merge? My usage > > pattern is mostly sequential read and write, and write bandwidth is > > pretty high. > > Did you get a chance to look into this? _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme