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 1CFE4C43334 for ; Wed, 1 Jun 2022 19:06:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229746AbiFATGC (ORCPT ); Wed, 1 Jun 2022 15:06:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229505AbiFATGA (ORCPT ); Wed, 1 Jun 2022 15:06:00 -0400 Received: from mail-io1-xd2b.google.com (mail-io1-xd2b.google.com [IPv6:2607:f8b0:4864:20::d2b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 642D5106349 for ; Wed, 1 Jun 2022 12:05:59 -0700 (PDT) Received: by mail-io1-xd2b.google.com with SMTP id z20so2716653iof.1 for ; Wed, 01 Jun 2022 12:05:59 -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=NqlDioD1S+IccUO4nm6ntfNlhEi7mnJaDG7f0XBePWY=; b=QEuF3bdUNBKnlUQDtYgeyfwAs0Ijl7yqGsp8lgIYefJe4s5Hqm51SJMTUOS3Y3Dyf5 kRpDZutphP4s2BUgqxqakkzuAH58KVbszep0WGlQM+Mc46gYuDDxoKrX5o3i6HcXQUAu XTLKr7h5hwaa4oxyELUa3/exHT0iM/dA6p0fBw/i1ovgOFYVOmx7vYSOcH+mthQcJqCf zC6hD+4nB3cUzG/X1rid8eD+ZJV//QEbO2AKiLB47ZoXH8IiSObvygILfZA/NJ8y7duq earVgmb0otoba9QbflqURWQNA4OIbFlZRkrYhpKwM4WEnxrsTutQTDkCRyVYCg5reYSZ FwfQ== 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=NqlDioD1S+IccUO4nm6ntfNlhEi7mnJaDG7f0XBePWY=; b=FX5R8Gu28SKeTwqJ/ssHJ6pQjrOn384F3YQdBQS7GC8HCEr4GwGfu+j/EGCC97pxiv UOZqMv6suhHxHBa5b1lXq3ynPmiJ2heu7B2javdBdw5mVrtsWwr6RS502z41E8naiASD rfTy1P/HcJTHSVVDBh3aoHX8+JWL3ZuouDLBiy2ciIei+97qyi7JKQ2/vVL10o8zAtMA J1DucWyZecjI5l/1ynTC+KUYeJuTxwkgHsErIr8zmbOqEEb+xlc33tr0G4/pEDoN8766 UqtNJHwI0RuWSm/4m5QrhqhsTq27Efu5xsXcXqVlWwGSj7ZoE4hqoqDZ/9rmJsS3rQp2 2teQ== X-Gm-Message-State: AOAM532MX2xzzm0gFfRh/Wz3Ktq03hpeO8PvPpJjnfCZbKIouTrNSpln 76OLQ3OGx1rRdd6EFeefSUV76K4f/Ud6Z4QZABF6F7G6TTQ= X-Google-Smtp-Source: ABdhPJymQxXPYfCciqOr/6wTklBFGeISrGABwyoKDjIsRaNTXZV8U6XZHehEKSllCEQDI6M5AGj1s/LkFKTE7C1o5qU= X-Received: by 2002:a05:6602:29ca:b0:649:558a:f003 with SMTP id z10-20020a05660229ca00b00649558af003mr793079ioq.160.1654110089962; Wed, 01 Jun 2022 12:01:29 -0700 (PDT) MIME-Version: 1.0 References: <20220601002552.GD22722@merlins.org> <20220601012919.GE22722@merlins.org> <20220601031536.GD1745079@merlins.org> <20220601163924.GE1745079@merlins.org> <20220601180824.GF22722@merlins.org> <20220601185027.GG22722@merlins.org> In-Reply-To: <20220601185027.GG22722@merlins.org> From: Josef Bacik Date: Wed, 1 Jun 2022 15:01:19 -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 Wed, Jun 1, 2022 at 2:50 PM Marc MERLIN wrote: > > On Wed, Jun 01, 2022 at 02:42:55PM -0400, Josef Bacik wrote: > > On Wed, Jun 1, 2022 at 2:08 PM Marc MERLIN wrote: > > > > > > On Wed, Jun 01, 2022 at 02:00:43PM -0400, Josef Bacik wrote: > > > > Ok perfect, now try btrfs rescue recover-chunks , thanks, > > > > > > (gdb) run rescue recover-chunks /dev/mapper/dshelf1 > > > Starting program: /var/local/src/btrfs-progs-josefbacik/btrfs rescue recover-chunks /dev/mapper/dshelf1 > > > [Thread debugging using libthread_db enabled] > > > Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". > > > FS_INFO IS 0x55555564fbc0 > > > Invalid mapping for 15645202989056-15645203005440, got 15664345513984-15665419255808 > > > Couldn't map the block 15645202989056 > > > Couldn't map the block 15645202989056 > > > bad tree block 15645202989056, bytenr mismatch, want=15645202989056, have=0 > > > Couldn't read tree root > > > FS_INFO AFTER IS 0x55555564fbc0 > > > Walking all our trees and pinning down the currently accessible blocks > > > > Ok you're ready to go. Thanks, > > Indeed, good job: > > FS_INFO IS 0x55555564fbc0 > Invalid mapping for 15645202989056-15645203005440, got 15664345513984-15665419255808 > Couldn't map the block 15645202989056 > Couldn't map the block 15645202989056 > bad tree block 15645202989056, bytenr mismatch, want=15645202989056, have=0 > Couldn't read tree root > FS_INFO AFTER IS 0x55555564fbc0 > Walking all our trees and pinning down the currently accessible blocks > we would add a chunk at 14823605665792-14824679407616 type 0 > we would add a chunk at 14824679407616-14825753149440 type 0 > we would add a chunk at 14825753149440-14826826891264 type 0 > (...) > we would add a chunk at 15772793438208-15773867180032 type 0 > we would add a chunk at 15773867180032-15774940921856 type 0 > we would add a chunk at 15774940921856-15776014663680 type 0 > we would add a chunk at 15776014663680-15777088405504 type 0 > we would add a chunk at 15777088405504-15778162147328 type 0 > doing close??? > Recover chunks succeeded, you can run check now > [Inferior 1 (process 696) exited normally] > > Which btrfs check do you want me to run? > Phew ok, I'm finding the right chunks, that's perfect. I'm now going to write the code to fill in the missing chunks, give me a bit to do that. Thanks, Josef