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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 EF2A2C2D0C2 for ; Sat, 4 Jan 2020 17:07:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BC7B921734 for ; Sat, 4 Jan 2020 17:07:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=icloud.com header.i=@icloud.com header.b="pkE61EO2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726099AbgADRHP (ORCPT ); Sat, 4 Jan 2020 12:07:15 -0500 Received: from ms11p00im-qufo17282101.me.com ([17.58.38.58]:52455 "EHLO ms11p00im-qufo17282101.me.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726004AbgADRHP (ORCPT ); Sat, 4 Jan 2020 12:07:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=icloud.com; s=1a1hai; t=1578157631; bh=Ng+/xW9G1nqUkW+f+wTkMtQU0y9/gNZ9lZXpG7KoUl4=; h=Content-Type:Subject:From:Date:Message-Id:To; b=pkE61EO202IVC0Lpa20oyO8Qcp4DnTd6T7Kg8h73WMHxVoGGWINFXWgV9CLZ53dzQ w/QHTtfZtF6N1qZ9+LPgF87x3KCa8fkI8ZcFtDSKf2hcRG+n3njU0rplQ/eAM8Kkdy Okl/LJf9AVCJ39MDwZVeyFwsYLld6k5YYxh2fxr8VUiysUnMLSGlR4by3yXoFnDIzq 7IS0Sq9cSzyLqokzXZ9s4YB4OhKgSMaU659ez0FiNH5TFa2GStBNRbCY+2vWMOYcQx 96APLVf5dg3fhjqTAv4A/GQ4ezleVHSwV+8J9xjbiEKRbkckKdZNVZmpmW6ik0ua8n m6TXAAoDMXoeQ== Received: from [192.168.15.23] (unknown [177.76.36.47]) by ms11p00im-qufo17282101.me.com (Postfix) with ESMTPSA id C8A8E780411; Sat, 4 Jan 2020 17:07:10 +0000 (UTC) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 13.0 \(3608.40.2.2.4\)) Subject: 12 TB btrfs file system on virtual machine broke again From: Christian Wimmer In-Reply-To: <9FB359ED-EAD4-41DD-B846-1422F2DC4242@icloud.com> Date: Sat, 4 Jan 2020 14:07:08 -0300 Cc: Qu WenRuo , Anand Jain , "linux-btrfs@vger.kernel.org" Content-Transfer-Encoding: quoted-printable Message-Id: <256D0504-6AEE-4A0E-9C62-CDF975FDE32D@icloud.com> References: <20191206034406.40167-1-wqu@suse.com> <2a220d44-fb44-66cf-9414-f1d0792a5d4f@oracle.com> <762365A0-8BDF-454B-ABA9-AB2F0C958106@icloud.com> <94a6d1b2-ae32-5564-22ee-6982e952b100@suse.com> <4C0C9689-3ECF-4DF7-9F7E-734B6484AA63@icloud.com> <9FB359ED-EAD4-41DD-B846-1422F2DC4242@icloud.com> To: Qu Wenruo X-Mailer: Apple Mail (2.3608.40.2.2.4) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2020-01-04_04:,, signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-2001040161 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Hi guys,=20 I run again in a problem with my btrfs files system. I start wondering if this filesystem type is right for my needs. Could you please help me in recovering my 12TB partition? What happened?=20 -> This time I was just rebooting normally my virtual machine. I = discovered during the past days that the system hangs for some seconds = so I thought it would be a good idea to reboot my SUSE Linux after 14 = days of working. The machine powered off normally but when starting it = run into messages like the pasted ones. I immediately powered off again and started my Arch Linux where I have = btrfs-progs version 5.4 installed. I tried one of the commands that you gave me in the past (restore) and I = got following messages: btrfs-progs-5.4]# ./btrfs restore -l /dev/sdb1 checksum verify failed on 3181912915968 found 000000A9 wanted 00000064 checksum verify failed on 3181912915968 found 00000071 wanted 00000066 checksum verify failed on 3181912915968 found 000000A9 wanted 00000064 bad tree block 3181912915968, bytenr mismatch, want=3D3181912915968, = have=3D4908658797358025935 checksum verify failed on 2688520683520 found 000000D5 wanted FFFFFFA9 checksum verify failed on 2688520683520 found 000000EE wanted FFFFFFEB checksum verify failed on 2688520683520 found 000000D5 wanted FFFFFFA9 bad tree block 2688520683520, bytenr mismatch, want=3D2688520683520, = have=3D10123237912294 Could not open root, trying backup super checksum verify failed on 3181912915968 found 000000A9 wanted 00000064 checksum verify failed on 3181912915968 found 00000071 wanted 00000066 checksum verify failed on 3181912915968 found 000000A9 wanted 00000064 bad tree block 3181912915968, bytenr mismatch, want=3D3181912915968, = have=3D4908658797358025935 checksum verify failed on 2688520683520 found 000000D5 wanted FFFFFFA9 checksum verify failed on 2688520683520 found 000000EE wanted FFFFFFEB checksum verify failed on 2688520683520 found 000000D5 wanted FFFFFFA9 bad tree block 2688520683520, bytenr mismatch, want=3D2688520683520, = have=3D10123237912294 Could not open root, trying backup super checksum verify failed on 3181912915968 found 000000A9 wanted 00000064 checksum verify failed on 3181912915968 found 00000071 wanted 00000066 checksum verify failed on 3181912915968 found 000000A9 wanted 00000064 bad tree block 3181912915968, bytenr mismatch, want=3D3181912915968, = have=3D4908658797358025935 checksum verify failed on 2688520683520 found 000000D5 wanted FFFFFFA9 checksum verify failed on 2688520683520 found 000000EE wanted FFFFFFEB checksum verify failed on 2688520683520 found 000000D5 wanted FFFFFFA9 bad tree block 2688520683520, bytenr mismatch, want=3D2688520683520, = have=3D10123237912294 Could not open root, trying backup super btrfs-progs-5.4]#=20 What can I do now to recover files? Please help me. Thanks, Chris