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=-4.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 BF6A3C433E0 for ; Sat, 23 Jan 2021 14:55:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A33D22AAB for ; Sat, 23 Jan 2021 14:55:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725768AbhAWOtP (ORCPT ); Sat, 23 Jan 2021 09:49:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55032 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725268AbhAWOtO (ORCPT ); Sat, 23 Jan 2021 09:49:14 -0500 Received: from mail-ed1-x533.google.com (mail-ed1-x533.google.com [IPv6:2a00:1450:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B36EC06174A for ; Sat, 23 Jan 2021 06:48:34 -0800 (PST) Received: by mail-ed1-x533.google.com with SMTP id j13so9934699edp.2 for ; Sat, 23 Jan 2021 06:48:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding:content-language; bh=fJ3GZaxPNZCJGnmOIYCR9Wk9fNV3MPQbOZ8vWrxLPp4=; b=K0LObnpVWkkdSYxr5VrT/1oTEPgGE5DCBQdmchX05EH5y2Ic0ccNyqXCkH40TS7eY+ pjT8Jqg8frzaW0UudbGbEsL8aHrgKFdvGBYskoOEX05TJn5vbayQeR7Nz89OZgIDzbKQ tkIXroaiPfnCd20fU8YvNu4l2I8AqKsPIDJ28W63haVVxnpi7wmW7QkbENy91GJOarDa rma9LBku5qBHz9Vk/LXC1hLjlT9q54vZRWs38VlVAXcOx6MNfmxiboLCJbXuKLQn+eXR lQCllEhHXCHL78O/XIkZ3M30Xu6Tp0peoSJZhtcSKcE2g53vM9rjCjlAWhUTYeqLfwOo G4lg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-transfer-encoding:content-language; bh=fJ3GZaxPNZCJGnmOIYCR9Wk9fNV3MPQbOZ8vWrxLPp4=; b=BHj+R9S1d4diaTatXWUhA/X4/gkIHq9ubnPCRVdZvdetS5krXFZa1JH9ES2r8FCRFc VZ0gGdZwbCd6JGov7fBMBzt2A/yOeVkJGkk1WMzaP/LPNo02Fh1ttFkssam/8SSAV3KB pbDmodDgvKdWibrIoFzHFflnc6L0FAL05fLuxcV5GjvpGsDRDQphGlEemqwAeWRumHIX 98nmE1RKULf9CBLIJpQRwAVh0SLwbR74aUsV4LwxupuVLYb6sYf1AgbNHOQSkcZ8WXW6 OQCsnzWqjZH70OzoXM6dQWU+9FYA3N+MlUjgvCko9+SkFO1+AvrwlCjd+EoeP//zTOD+ rh8Q== X-Gm-Message-State: AOAM533N6kf/jmBvRicj1ZLsXgEzQe9IOXrcyeoWhfh0n2LsezO9F7K5 43dJYGxWdF067sAynNitMWMLBLz7yqta X-Google-Smtp-Source: ABdhPJzHKUraDOfR8M+KCncKshH/N+S4lwdwI/1/wUob8Ee15/v0S8Yo7Mvn21fqIdwAh+5lSIfnHA== X-Received: by 2002:a50:fd12:: with SMTP id i18mr7206810eds.220.1611413312063; Sat, 23 Jan 2021 06:48:32 -0800 (PST) Received: from ?IPv6:2a02:810d:413f:dea0:18de:8a50:20d7:c1dd? ([2a02:810d:413f:dea0:18de:8a50:20d7:c1dd]) by smtp.gmail.com with ESMTPSA id x17sm7112697edd.76.2021.01.23.06.48.30 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 23 Jan 2021 06:48:31 -0800 (PST) To: linux-btrfs@vger.kernel.org From: =?UTF-8?Q?Jakob_Sch=c3=b6ttl?= Subject: Only one subvolume can be mounted after replace/balance Message-ID: Date: Sat, 23 Jan 2021 15:48:30 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Hi, In short: When mounting a second subvolume from a pool, I get this error: "mount: /mnt: wrong fs type, bad option, bad superblock on /dev/sda, missing code page or helper program, or other." dmesg | grep BTRFS only shows this error: info (device sda): disk space caching is enabled error (device sda): Remounting read-write after error is not allowed What happened: In my RAID1 pool with two disk, I successfully replaced one disk with btrfs replace start 2 /dev/sdx After that, I mounted the pool and did btrfs fi show /mnt which showed WARNINGs about "filesystems with multiple block group profiles detected" (don't remember exactly) I thought it is a good idea to do btrfs balance start /mnt which finished without errors. Now, I can only mount one (sub)volume of the pool at a time. Others can only be mounted read-only. See error messages at top of this mail. Do you have any idea what happened or how to fix it? I already tried rescue zero-log and super-recovery which was successful but didn't help. Regards, Jakob