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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76459C433F5 for ; Fri, 27 May 2022 18:35:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240118AbiE0SfT (ORCPT ); Fri, 27 May 2022 14:35:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231877AbiE0SfS (ORCPT ); Fri, 27 May 2022 14:35:18 -0400 Received: from mail-il1-x135.google.com (mail-il1-x135.google.com [IPv6:2607:f8b0:4864:20::135]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9C4257CDE9 for ; Fri, 27 May 2022 11:35:17 -0700 (PDT) Received: by mail-il1-x135.google.com with SMTP id p4so3069306ilj.8 for ; Fri, 27 May 2022 11:35:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toxicpanda-com.20210112.gappssmtp.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ijFELm6Fqm3FQw+hn4RDUxf89Yl61mfmgubE99nFVsE=; b=ZyA9X2vMA4Pej6ZiE7ODsDVXIDslAqQgeY41Mpt3eth2cvu90dLO2P+MCfDltliAbp a03raEmBKg203+9EUXXUzlTcOySTCngcmfPBksRdtOeuskkZPr+O4fb8DXRMi2UpvWwh EAimRNoNtg10JhpMjtD0SGP62KdDar8dhLGgEyg3PKvJoBsj6rOTkB6RzzHcpFLtGtnA ZFEPRUMRTxYP6GRDzHyYmNd0NNWWa6jYCadvSsqtAgC5oESaDT/ctxb81r7tdtNwOyk8 PKQ8I4mO5iua/34/9s5I3BmHQpDqHLqV7691it54hIwXzBtrlCG2vS37PJE7f6V7nlLj 2t7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ijFELm6Fqm3FQw+hn4RDUxf89Yl61mfmgubE99nFVsE=; b=4COV0/6M1hK2uV642ESX8Z4Y111aw6VvDfPRgN8aZfQprmsAG52C0sFyzV+mPIwdTD QczvkLgcuJ9O8Sd3MXSSDnvDEWxOiitY1B66wQskY5xROTdriOFWmib4jraxvKH2Y/2N z3uJW9NISebSsfVQCGETfOE8jMKzxtHNS6yB6IgThDRkEJuoxKU0y4TiipF5JmYdeSpW 9M/yqYlKNYsP3MGA4ebw8VqF+P1kjWmlXWL6sUfmUtE5t0Il7S0wYZiwwf5OpC8MqoJV lc/sdb445Sjpm2RGix22vBPMrDYrVTqKTmor2RjxfVAoJRkFo/360YDFa3b3DHaWyL0o 7mhA== X-Gm-Message-State: AOAM531FHvho5w+3krZldD78fpqRBC97s2I4qFUcA6jZZ8mo8wGlVC86 iwUlPln6EDVVqSWTSkKjr2iY53tCoh/BGYmjZXhPXCbWx2g= X-Google-Smtp-Source: ABdhPJyONKXDGpgQxnyISC+WyXiLl75BNXDyqTiFbA3OObIrM4/Q3LO/C6u+NzZFFq8q33ZyrwRvVNpzpey+GORnnzM= X-Received: by 2002:a92:c641:0:b0:2d3:1865:12f5 with SMTP id 1-20020a92c641000000b002d3186512f5mr3066427ill.127.1653676516750; Fri, 27 May 2022 11:35:16 -0700 (PDT) MIME-Version: 1.0 References: <20220526171046.GB1751747@merlins.org> <20220526173119.GC1751747@merlins.org> <20220526181246.GA28329@merlins.org> <20220526191512.GE28329@merlins.org> <20220526213924.GB2414966@merlins.org> <20220527011622.GA24951@merlins.org> In-Reply-To: <20220527011622.GA24951@merlins.org> From: Josef Bacik Date: Fri, 27 May 2022 14:35:05 -0400 Message-ID: Subject: Re: Rebuilding 24TB Raid5 array (was btrfs corruption: parent transid verify failed + open_ctree failed) To: Marc MERLIN Cc: linux-btrfs Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Thu, May 26, 2022 at 9:16 PM Marc MERLIN wrote: > > On Thu, May 26, 2022 at 02:39:24PM -0700, Marc MERLIN wrote: > > I thought we were getting so close, but it seems we'e made a few steps > > back :-/ > > > > gargamel:/var/local/src/btrfs-progs-josefbacik# ./btrfs-find-root -o 3 /dev/mapper/dshelf1 > > checksum verify failed on 21135360 wanted 0x00000000 found 0x3533f3b5 > > checksum verify failed on 21135360 wanted 0x00000000 found 0x3533f3b5 > > checksum verify failed on 21135360 wanted 0x00000000 found 0x3533f3b5 > > Csum didn't match > > ERROR: cannot read chunk root > > WTF??? > > ERROR: open ctree failed > > > > At some point, if the FS is starting to look like it was trashed to > > start with, or kind of trashed now after some of the recovery attempts, > > let me know and I'll wipe and restore. > > That said, if there is still data useful to improving your tools, I'm > > game for a bit more, although if we hit the 2 months mark since it went > > down, I'll have to eventuallly recover :) > > gargamel:/var/local/src/btrfs-progs-josefbacik# ./btrfs-find-root -o 3 /dev/mapper/dshelf1 > checksum verify failed on 21135360 wanted 0x00000000 found 0x3533f3b5 > checksum verify failed on 21135360 wanted 0x00000000 found 0x3533f3b5 > checksum verify failed on 21135360 wanted 0x00000000 found 0x3533f3b5 > Csum didn't match > WARNING: cannot read chunk root, continue anyway > Superblock thinks the generation is 1739781 > Superblock thinks the level is 1 > Well block 22593536(gen: 1590219 level: 0) seems good, AND HAS NO BAD ITEMS but generation/level doesn't match, want gen: 1739781 level: 1 > Well block 22560768(gen: 1590217 level: 0) seems good, AND HAS NO BAD ITEMS but generation/level doesn't match, want gen: 1739781 level: 1 > Well block 22577152(gen: 1586277 level: 0) seems good, AND HAS NO BAD ITEMS but generation/level doesn't match, want gen: 1739781 level: 1 > Well block 22495232(gen: 1572124 level: 0) seems good, AND HAS NO BAD ITEMS but generation/level doesn't match, want gen: 1739781 level: 1 > Well block 22528000(gen: 1572115 level: 0) seems good, AND HAS NO BAD ITEMS but generation/level doesn't match, want gen: 1739781 level: 1 > Well block 22446080(gen: 1571791 level: 0) seems good, AND HAS NO BAD ITEMS but generation/level doesn't match, want gen: 1739781 level: 1 > Well block 22478848(gen: 1561557 level: 0) seems good, AND HAS NO BAD ITEMS but generation/level doesn't match, want gen: 1739781 level: 1 > Well block 22544384(gen: 1556078 level: 0) seems good, AND HAS NO BAD ITEMS but generation/level doesn't match, want gen: 1739781 level: 1 > Well block 22511616(gen: 1555799 level: 0) seems good, AND HAS NO BAD ITEMS but generation/level doesn't match, want gen: 1739781 level: 1 > Well block 22609920(gen: 1551635 level: 0) seems good, AND HAS NO BAD ITEMS but generation/level doesn't match, want gen: 1739781 level: 1 > Well block 22462464(gen: 1479229 level: 0) seems good, AND HAS NO BAD ITEMS but generation/level doesn't match, want gen: 1739781 level: 1 > gargamel:/var/local/src/btrfs-progs-josefbacik# > > Is that good? I'm augmenting my tree-recover tool to go and find any missing chunks and add them in, which is what the chunk recover thing was supposed to do. This is going to take a bit, but should be the last piece. Thanks, Josef