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=-0.8 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,T_MIXED_ES 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 805D5C07E85 for ; Fri, 7 Dec 2018 05:24:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1EE1620700 for ; Fri, 7 Dec 2018 05:24:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="cShPYAO3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1EE1620700 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-btrfs-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725952AbeLGFYy (ORCPT ); Fri, 7 Dec 2018 00:24:54 -0500 Received: from mail-wm1-f68.google.com ([209.85.128.68]:37174 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725939AbeLGFYx (ORCPT ); Fri, 7 Dec 2018 00:24:53 -0500 Received: by mail-wm1-f68.google.com with SMTP id g67so3214152wmd.2 for ; Thu, 06 Dec 2018 21:24:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=HWI/JLlOQ7TQwDuGkZuUwR02Lj7SUeRywbrkhyA2118=; b=cShPYAO3j7R+KpkMFpAk0x0QRLpRhKZgn2NJWN9I3dOvKSO5dB7WcXbiN9NvLfX1Hq JcS2Sj2h/tRg2Jgrf0P3S2tCLSOfsBxptUDjbU2U/fDGQiSDvVBo8i2GJgl1bMHMsyPP PaBuHRV7Z2g0PGd1iJTSo/bYKlZKStlGu3i6/RuAadE8Ey6HGOA1vowzzbt4284GPJOn uHh/xnQ8JCSxznq7KZ7rQMxNpvaNPC+x1NvnibXmPVdprkhsqB8lmSukXn2lu7EdpBqy d0clxjTRXvvFu8QIqmN7T5nnbovD9tH896UEaCep79QjnvNPbABhP9B7XhbREcq4uv2q YfbQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=HWI/JLlOQ7TQwDuGkZuUwR02Lj7SUeRywbrkhyA2118=; b=aBvGNG9FVGWtk6PsEEpa5aDxXL7ft1QopxkaZlfVXWqcX7PDN2LAoeBUToSQErRaLc iJ/5Jur28py9m46FjBeE4gvRzFauwYCo1+7WE1OjPX5MU9HJXiKjNOkPwWVKetlB7LRF Co6SAE6O6onrzDZb6cDCokkaD0aI3HNgSrOC3z7cCpsYY33POVIK9aHcxfRAwIAlTlXW Q7mXqJC15YTBwcx/qWjUKFhFodytEvCKGOpN4aEgJuLMxH+6TDpVyWnjdFVEWNjW8DCp hq0J/PLEPtPrzUSWJsLmEsqSIRKYI0/VJHJgeb3ExgKAJYJHFspaMhN0cJ4jzSzkvuz4 w8sA== X-Gm-Message-State: AA+aEWboucyUFAD1GW1EziJ/WOZkmzmszHWbTc3DAKAc0oHZLrqcb3C3 9Sx2ooyn2LtN+2ZGveqP9AI/8239GIrrSl8YVN76Q1Wf X-Google-Smtp-Source: AFSGD/VGJX4O2d9BCSRjb3sYlvafF9pdNKgf9ZE5wmFc0tRFQVLVOuowi/Z9CS2kUrua2HJqW+9hNi1Y65Rnv6fLeu4= X-Received: by 2002:a1c:9183:: with SMTP id t125mr854088wmd.79.1544160290825; Thu, 06 Dec 2018 21:24:50 -0800 (PST) MIME-Version: 1.0 From: Doni Crosby Date: Fri, 7 Dec 2018 00:24:40 -0500 Message-ID: Subject: System unable to mount partition after a power loss To: linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org All, I'm coming to you to see if there is a way to fix or at least recover most of the data I have from a btrfs filesystem. The system went down after both a breaker and the battery backup failed. I cannot currently mount the system, with the following error from dmesg: Note: The vda1 is just the entire disk being passed from the VM host to the VM it's not an actual true virtual block device [ 499.704398] BTRFS info (device vda1): disk space caching is enabled [ 499.704401] BTRFS info (device vda1): has skinny extents [ 499.739522] BTRFS error (device vda1): parent transid verify failed on 3563231428608 wanted 5184691 found 5183327 [ 499.740257] BTRFS error (device vda1): parent transid verify failed on 3563231428608 wanted 5184691 found 5183327 [ 499.770847] BTRFS error (device vda1): open_ctree failed I have tried running btrfsck: parent transid verify failed on 3563224121344 wanted 5184691 found 5184688 parent transid verify failed on 3563224121344 wanted 5184691 found 5184688 parent transid verify failed on 3563224121344 wanted 5184691 found 5184688 parent transid verify failed on 3563224121344 wanted 5184691 found 5184688 parent transid verify failed on 3563224121344 wanted 5184691 found 5184688 parent transid verify failed on 3563224121344 wanted 5184691 found 5184688 parent transid verify failed on 3563221630976 wanted 5184691 found 5184688 parent transid verify failed on 3563221630976 wanted 5184691 found 5184688 parent transid verify failed on 3563223138304 wanted 5184691 found 5184688 parent transid verify failed on 3563223138304 wanted 5184691 found 5184688 parent transid verify failed on 3563223138304 wanted 5184691 found 5184688 parent transid verify failed on 3563223138304 wanted 5184691 found 5184688 parent transid verify failed on 3563224072192 wanted 5184691 found 5184688 parent transid verify failed on 3563224072192 wanted 5184691 found 5184688 parent transid verify failed on 3563225268224 wanted 5184691 found 5184689 parent transid verify failed on 3563225268224 wanted 5184691 found 5184689 parent transid verify failed on 3563227398144 wanted 5184691 found 5184689 parent transid verify failed on 3563227398144 wanted 5184691 found 5184689 parent transid verify failed on 3563229593600 wanted 5184691 found 5184689 parent transid verify failed on 3563229593600 wanted 5184691 found 5184689 parent transid verify failed on 3563229593600 wanted 5184691 found 5184689 parent transid verify failed on 3563229593600 wanted 5184691 found 5184689 Ignoring transid failure Checking filesystem on /dev/vda1 UUID: 7c76bb05-b3dc-4804-bf56-88d010a214c6 checking extents parent transid verify failed on 3563224842240 wanted 5184691 found 5184689 parent transid verify failed on 3563224842240 wanted 5184691 found 5184689 parent transid verify failed on 3563222974464 wanted 5184691 found 5184688 parent transid verify failed on 3563222974464 wanted 5184691 found 5184688 parent transid verify failed on 3563223121920 wanted 5184691 found 5184688 parent transid verify failed on 3563223121920 wanted 5184691 found 5184688 parent transid verify failed on 3563229970432 wanted 5184691 found 5184689 parent transid verify failed on 3563229970432 wanted 5184691 found 5184689 parent transid verify failed on 3563229970432 wanted 5184691 found 5184689 parent transid verify failed on 3563229970432 wanted 5184691 found 5184689 Ignoring transid failure parent transid verify failed on 3563231428608 wanted 5184691 found 5183327 parent transid verify failed on 3563231428608 wanted 5184691 found 5183327 parent transid verify failed on 3563231428608 wanted 5184691 found 5183327 parent transid verify failed on 3563231428608 wanted 5184691 found 5183327 Ignoring transid failure parent transid verify failed on 3563231444992 wanted 5184691 found 5183325 parent transid verify failed on 3563231444992 wanted 5184691 found 5183325 parent transid verify failed on 3563231444992 wanted 5184691 found 5183325 parent transid verify failed on 3563231444992 wanted 5184691 found 5183325 Ignoring transid failure parent transid verify failed on 3563231412224 wanted 5184691 found 5183325 parent transid verify failed on 3563231412224 wanted 5184691 found 5183325 parent transid verify failed on 3563231412224 wanted 5184691 found 5183325 parent transid verify failed on 3563231412224 wanted 5184691 found 5183325 Ignoring transid failure parent transid verify failed on 3563231461376 wanted 5184691 found 5183325 parent transid verify failed on 3563231461376 wanted 5184691 found 5183325 parent transid verify failed on 3563231461376 wanted 5184691 found 5183325 parent transid verify failed on 3563231461376 wanted 5184691 found 5183325 Ignoring transid failure Segmentation fault btrfs check --recover also ends in a segmentation fault I am aware of chunk-recover and have tried to run it but got weary when I saw dev0 not vda1. Any help would be appreciated, Doni uname -a: Linux Homophone 4.18.0-0.bpo.1-amd64 #1 SMP Debian 4.18.6-1~bpo9+1 (2018-09-13) x86_64 GNU/Linux btrfs --version: btrfs-progs v4.7.3 btrfs fi show: Label: 'Array' uuid: 7c76bb05-b3dc-4804-bf56-88d010a214c6 Total devices 1 FS bytes used 6.05TiB devid 1 size 29.11TiB used 6.13TiB path /dev/vda1