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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 C7BF4C43219 for ; Mon, 29 Apr 2019 17:31:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 91D3A2147A for ; Mon, 29 Apr 2019 17:31:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="GE1QbO+j" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728919AbfD2Rbc (ORCPT ); Mon, 29 Apr 2019 13:31:32 -0400 Received: from mail-lj1-f171.google.com ([209.85.208.171]:44727 "EHLO mail-lj1-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728807AbfD2Rbc (ORCPT ); Mon, 29 Apr 2019 13:31:32 -0400 Received: by mail-lj1-f171.google.com with SMTP id c6so3635762lji.11 for ; Mon, 29 Apr 2019 10:31:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:openpgp:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=NEq5JFCYZruWXi/CMXWijBZNnRHIdGaVPurOkT1qwIQ=; b=GE1QbO+j2O7pJezctXzEs//XI91OfMtSKrweZk/TN2xDJS6TSaAwDflStDC2H7nir9 0+cwTNgn4WLEVtC28rhQCbde4n8r2VbeXDcTIPfM9CjP8O2xVg8hokzx966fzobdUXxj Vd9rocHLu89CRnXzCtWMlH2s0FECkYoTYO2wtuHx8/cYZuON1b1NpTWIXBU/6jRzomnL YTufI9ili6o8dMNPEhKQXT7iGC2nLjLvPSA2RWGh5sOlCLmFpD/oWd5yp2J0RfY/Oojo cWRCyhSdO1oFGakAuXVs8igIrYyDFBC5yIOV4qvgOqPF5aUquEEk9rHPdXWVFHOVlTpL JEfQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:openpgp:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=NEq5JFCYZruWXi/CMXWijBZNnRHIdGaVPurOkT1qwIQ=; b=qXA3eDCTOIaKNeFkb/hbuy5ccRQw/xHvkliZeDB0fhrx6pM2YWuBMNHkt8bc+/yF36 89zoE7Loi0dfVf9G8EHTt+F1UNv4VkGFkyX14a96p55MNRgWmgtcFI4H7r6fRWR5mBTg EBsBBpW/pTDLE8SBaS0FqTr6822xQ/wAVlm4BbCRtAbUPaBgiSRty/Bl2XP+1sJCqPwB znsJRtmkC6QwN3zMnJfV3z+nNnLBl4pJicqIOfMhv1xnSDg2dIfrzn6zpwZVqym4+6MR yO2/1dtvzcJnZqeqIhVhEH9s1LwMQ2i20HMTUI3wxofq6mk0fGrdxd7Rp04Kz8kasPMH u/0Q== X-Gm-Message-State: APjAAAVQ0GW32tqZblY7YPGtFCP29JTilMErjkPyvLTVaCQvC0TsYbvB dbdGb1H5Q97RTJEzR8Z1gAzVM5AasqA= X-Google-Smtp-Source: APXvYqwqBdAMYlsPswwhCppEiLOoGRJZ6pNPgV4YfcU8YWQ1CdgKpj52LDBjzitU96pXZ3kYObVguA== X-Received: by 2002:a2e:9b96:: with SMTP id z22mr22564211lji.165.1556559089672; Mon, 29 Apr 2019 10:31:29 -0700 (PDT) Received: from [192.168.1.5] ([109.252.90.193]) by smtp.gmail.com with ESMTPSA id c24sm345259ljj.46.2019.04.29.10.31.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 29 Apr 2019 10:31:28 -0700 (PDT) Subject: Re: Migration to BTRFS To: "Austin S. Hemmelgarn" , Hendrik Friedel , "linux-btrfs@vger.kernel.org" References: <0f1a1f40-c951-05dc-f9fd-d6de5884f782@gmail.com> <595b60f2-2a93-2078-93f2-e5952aac1fa3@gmail.com> From: Andrei Borzenkov Openpgp: preference=signencrypt Autocrypt: addr=arvidjaar@gmail.com; prefer-encrypt=mutual; keydata= xsDiBDxiRwwRBAC3CN9wdwpVEqUGmSoqF8tWVIT4P/bLCSZLkinSZ2drsblKpdG7x+guxwts +LgI8qjf/q5Lah1TwOqzDvjHYJ1wbBauxZ03nDzSLUhD4Ms1IsqlIwyTLumQs4vcQdvLxjFs G70aDglgUSBogtaIEsiYZXl4X0j3L9fVstuz4/wXtwCg1cN/yv/eBC0tkcM1nsJXQrC5Ay8D /1aA5qPticLBpmEBxqkf0EMHuzyrFlqVw1tUjZ+Ep2LMlem8malPvfdZKEZ71W1a/XbRn8FE SOp0tUa5GwdoDXgEp1CJUn+WLurR0KPDf01E4j/PHHAoABgrqcOTcIVoNpv2gNiBySVsNGzF XTeY/Yd6vQclkqjBYONGN3r9R8bWA/0Y1j4XK61qjowRk3Iy8sBggM3PmmNRUJYgroerpcAr 2byz6wTsb3U7OzUZ1Llgisk5Qum0RN77m3I37FXlIhCmSEY7KZVzGNW3blugLHcfw/HuCB7R 1w5qiLWKK6eCQHL+BZwiU8hX3dtTq9d7WhRW5nsVPEaPqudQfMSi/Ux1kc0mQW5kcmVpIEJv cnplbmtvdiA8YXJ2aWRqYWFyQGdtYWlsLmNvbT7CZQQTEQIAJQIbAwYLCQgHAwIGFQgCCQoL BBYCAwECHgECF4AFAliWAiQCGQEACgkQR6LMutpd94wFGwCeNuQnMDxve/Fo3EvYIkAOn+zE 21cAnRCQTXd1hTgcRHfpArEd/Rcb5+SczsBNBDxiRyQQBACQtME33UHfFOCApLki4kLFrIw1 5A5asua10jm5It+hxzI9jDR9/bNEKDTKSciHnM7aRUggLwTt+6CXkMy8an+tVqGL/MvDc4/R KKlZxj39xP7wVXdt8y1ciY4ZqqZf3tmmSN9DlLcZJIOT82DaJZuvr7UJ7rLzBFbAUh4yRKaN nwADBwQAjNvMr/KBcGsV/UvxZSm/mdpvUPtcw9qmbxCrqFQoB6TmoZ7F6wp/rL3TkQ5UElPR gsG12+Dk9GgRhnnxTHCFgN1qTiZNX4YIFpNrd0au3W/Xko79L0c4/49ten5OrFI/psx53fhY vLYfkJnc62h8hiNeM6kqYa/x0BEddu92ZG7CRgQYEQIABgUCPGJHJAAKCRBHosy62l33jMhd AJ48P7WDvKLQQ5MKnn2D/TI337uA/gCgn5mnvm4SBctbhaSBgckRmgSxfwQ= Message-ID: <831d651a-5aa3-e98c-8520-05dd5f55e26d@gmail.com> Date: Mon, 29 Apr 2019 20:31:27 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <595b60f2-2a93-2078-93f2-e5952aac1fa3@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org 29.04.2019 20:20, Austin S. Hemmelgarn пишет: > >>>> As of today there is no provision for automatic mounting of incomplete >>>> multi-device btrfs in degraded mode. Actually, with systemd it is flat >>>> impossible to mount incomplete btrfs because standard framework only >>>> proceeds to mount it after all devices have been seen. >> Do you talk about the mount during boot or about mounting in general? > Both, Sorry for chiming in, but the quoted part was mine, and I was speaking about automatic mount during boot. Manual mount using "mount" command after boot is of course possible (and does not involve systemd in any way). There is systemd-mount tool which will likely have the same issue.