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 89FD6C433EF for ; Sun, 29 May 2022 17:33:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231377AbiE2RdC (ORCPT ); Sun, 29 May 2022 13:33:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231364AbiE2RdA (ORCPT ); Sun, 29 May 2022 13:33:00 -0400 Received: from mail-il1-x12c.google.com (mail-il1-x12c.google.com [IPv6:2607:f8b0:4864:20::12c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED588120A9 for ; Sun, 29 May 2022 10:32:59 -0700 (PDT) Received: by mail-il1-x12c.google.com with SMTP id y16so1270805ili.13 for ; Sun, 29 May 2022 10:32:59 -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=GppdCWLBA4WZBZ7bYJoj6RCpChMky4/XfHyd1X3t/Z8=; b=TRiYwneQfIzEUhp1Cjot2Wmo2NfJ20D3Hv5bpgn7IHMz5zXgEBkf+zoeeNcDaMMFPm 9uzcjpmO+4QIiIxu4DWHYIac4ccg++TxbaXVGKhrTqDiu2c16Vaj6n8WAgLYeyn2aoJ7 S2u77JrYdWsdHMx451w1Y1fxlwi8jDhUwpN7tAdasll5kTMqPLlseqJfUoJKqhYYbY7T 9D2pRcM0dPFht2o1K304GDnROL9v3l6Uduewlea7tx4yLzqslGBViARwfCq2MxiUMnvj keLUZruNuydrCF8opC/E+htcmkcbR9RZ1igULIB3k+3jBjmEdYVxsU4rzS3Ugb4aoW5m quJw== 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=GppdCWLBA4WZBZ7bYJoj6RCpChMky4/XfHyd1X3t/Z8=; b=G2j9YKaypURo1VQWspZHCocq63NOezpos6Fi2Xseq4LjF682TUPHn452wSLvQpZbyy B9HTiExphGCUtFPF00ynsi0Dvrm1pdh5hzXxh0N1k9CebvBkdN2cKF6V9vNTSPC8fKYR z9Q86Kt/EZPKrI4CBTyI1oeMKr+JM38TVQgw1fsTll8bRuMpLyTqwX++H7pVzyP8kgpH S3NSZYgssAW2JVGu1aUHQCc7gxfpS4GcHcUsEVT1xqNFfK8RIPrPttzgVRoCex+pH5yJ 0Qq6EH6JX2clWEwFIrIL6z1j9uIihtspDvmwZ4/yUF+1yVEyzwt4Dd7fapRz6sAA7O5C +KKQ== X-Gm-Message-State: AOAM533Rg4dmyr8hYU0pJkuRiarYGO1mn0ckGtgQF6MK1PUCt6pQS9+L MIjIhUcFp9Fq2lVwgKENkLzc+9vPYkYdd/0gRF+bhsybr+c= X-Google-Smtp-Source: ABdhPJxFBTam8HpX9kbUV5bf7LIJPrw/52FHYb0q99FZ0xvVBIrWVlUKJ07WYLas9IOe9wROZYnuBgQjrCYVrtkwuGc= X-Received: by 2002:a92:ca49:0:b0:2d3:9e94:1af8 with SMTP id q9-20020a92ca49000000b002d39e941af8mr2007680ilo.127.1653845579274; Sun, 29 May 2022 10:32:59 -0700 (PDT) MIME-Version: 1.0 References: <20220526213924.GB2414966@merlins.org> <20220527011622.GA24951@merlins.org> <20220527232604.GA22722@merlins.org> <20220528225601.GD24951@merlins.org> <20220529035139.GE24951@merlins.org> <20220529153312.GF24951@merlins.org> In-Reply-To: <20220529153312.GF24951@merlins.org> From: Josef Bacik Date: Sun, 29 May 2022 13:32:48 -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 Sun, May 29, 2022 at 11:33 AM Marc MERLIN wrote: > > On Sun, May 29, 2022 at 11:00:35AM -0400, Josef Bacik wrote: > > > gargamel:/var/local/src/btrfs-progs-josefbacik# ./btrfs rescue tree-recover /dev/mapper/dshelf1 > > > ERROR: cannot read chunk root > > > WTF??? > > > ERROR: open ctree failed > > > Tree recover failed > > > > Sorry, thought I fixed this before pushing yesterday, try again please. Thanks, > > Resynced but it's the same: > > gargamel:/var/local/src/btrfs-progs-josefbacik# ./btrfs rescue tree-recover /dev/mapper/dshelf1 > WARNING: cannot read chunk root, continue anyway > ERROR: Failed to read root block > Tree recover failed Oh huh, apparently I only scan for a root if we didn't find a good fit in the beginning, not if I couldn't read any roots. Fixed that up, please try again. Thanks, Josef