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 06673C433EF for ; Mon, 25 Apr 2022 00:36:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240011AbiDYAj5 (ORCPT ); Sun, 24 Apr 2022 20:39:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240008AbiDYAj4 (ORCPT ); Sun, 24 Apr 2022 20:39:56 -0400 Received: from mail-io1-xd36.google.com (mail-io1-xd36.google.com [IPv6:2607:f8b0:4864:20::d36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 05AB9387 for ; Sun, 24 Apr 2022 17:36:54 -0700 (PDT) Received: by mail-io1-xd36.google.com with SMTP id e194so14242950iof.11 for ; Sun, 24 Apr 2022 17:36:53 -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=UuUWEngUUAUmD8omHh8Ypmwid+x9cuhRcIA46S1ipKs=; b=eVwluDCAwFe8HsLPMAFkSVz4FMBHz91ZCTBytymlALB652sOKPxOzgu/W2AVPbwllE sk/Q5YH1jWxkAvQtvE4E+Z13KPXeCV7eNZHVPRAN1bs9kYykNlNSgXSpacUWpXAIOAv3 MGH61XT2CidJYgN0lTExPgVRufID5tQdpIVw7K5pfbi59Q4eFTZQmRxUwBIOkX4O4j9d 6f/WmzkmR0k7q5UEPOEK7eBsoJ6HLqwCeKTTK55r3QpBsimMgR256n9/T+3TUcj/Vhn+ xH1W+BYMwknjUCPYTOORKLr49htHcCE4xhZ0lnG5UJCfnNQ87xrWJQL+XOzKsCOTsUZ5 fLPQ== 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=UuUWEngUUAUmD8omHh8Ypmwid+x9cuhRcIA46S1ipKs=; b=GCIXOHlehYefFvDQQOiPICReJINO/CtpAS0ryJeXPSehprJ0n3TBegJXOxakwzR24i 1HgnXxi0iHCItSfGC0+n0OC4h4TvdXsJcUZV57NN0ilszD3ExPQKmeQIH3bhFIgbrZ/W 2vtOB2Vggf2YSF9xpV8s2YaElhwvRYcFnEMTWTfK9bzzM4387fgGVQri1YJhXXe43Aay 0RXCBU8aYqJs9EGLhpnz47bQx3Xbj2rja52r+X2s/mNq60W/QA8bVjfLa2b79MFf6Dds D9M/QmAjBlXGy+FGEz3Elhea9eK/W01vKC2Oftpxm5nERs+R4dDkCCrzdScry/p/Pk34 FStQ== X-Gm-Message-State: AOAM533qP6R7bs5LsXuc+hWbnWsqb7ipY6zENWM2hyIkPnBeNI4ptDhV yP77YKatkYsFaukpiesTeFEJAi30J2M/uApnBF9B7RlUxfw= X-Google-Smtp-Source: ABdhPJwyrc/elVlFwDEmKlKWLHXL/AGWPp/3a0LSWMU7bKc0qKM6TMrcHvV96ZAvOjrqKhjtXCmk8FcFUmM5r0xL3RI= X-Received: by 2002:a05:6602:14ce:b0:657:2bbc:ade8 with SMTP id b14-20020a05660214ce00b006572bbcade8mr6172140iow.83.1650847013048; Sun, 24 Apr 2022 17:36:53 -0700 (PDT) MIME-Version: 1.0 References: <20220424205454.GB29107@merlins.org> <20220424210732.GC29107@merlins.org> <20220424212058.GD29107@merlins.org> <20220424223819.GE29107@merlins.org> <20220424231446.GF29107@merlins.org> <20220425002415.GG29107@merlins.org> In-Reply-To: <20220425002415.GG29107@merlins.org> From: Josef Bacik Date: Sun, 24 Apr 2022 20:36:42 -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, Apr 24, 2022 at 8:24 PM Marc MERLIN wrote: > > On Sun, Apr 24, 2022 at 07:27:02PM -0400, Josef Bacik wrote: > > On Sun, Apr 24, 2022 at 7:14 PM Marc MERLIN wrote: > > > > > > On Sun, Apr 24, 2022 at 06:56:01PM -0400, Josef Bacik wrote: > > > > I feel like this thing is purposefully changing itself between each > > > > run so I can't get a grasp on wtf is going on. I pushed some stuff, > > > > lets see how that goes. Thanks, > > > > > > After all the tests we did, is it possible that some damaged the FS > > > further? > > > > > > > That's the thing, we're literally deleting the entire tree and > > starting over, it should do the same thing every time. I pushed > > another fix, I think I've been messing up the buffers and that's why > > we're getting random values. Lets try this again, > > Gotcha. > > (gdb) run rescue init-extent-tree /dev/mapper/dshelf1 > Starting program: /var/local/src/btrfs-progs-josefbacik/btrfs rescue init-extent-tree /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 0x55555564cbc0 > JOSEF: root 9 > checksum verify failed on 15645878108160 wanted 0x1beaa67b found 0x27edb2c4 > Couldn't find the last root for 8 > checksum verify failed on 58720256 wanted 0x39dcdd2a found 0x79b62995 > checksum verify failed on 58720256 wanted 0x39dcdd2a found 0x79b62995 > checksum verify failed on 58720256 wanted 0x39dcdd2a found 0x79b62995 > checksum verify failed on 58720256 wanted 0x39dcdd2a found 0x79b62995 > checksum verify failed on 58720256 wanted 0x39dcdd2a found 0x79b62995 > checksum verify failed on 58720256 wanted 0x39dcdd2a found 0x79b62995 > (...) > checksum verify failed on 58720256 wanted 0x39dcdd2a found 0x79b62995 > FS_INFO AFTER IS 0x55555564cbc0 > Walking all our trees and pinning down the currently accessible blocks > Clearing the extent root and re-init'ing the block groups > inserting block group 12582912 > inserting block group 20971520 > inserting block group 29360128 > inserting block group 1103101952 > (...) > inserting block group 345237356544 > inserting block group 346311098368 > inserting block group 347384840192 > inserting block group 348458582016 > inserting block group 349532323840 > inserting block group 350606065664 > inserting block group 351679807488 > inserting block group 352753549312 > inserting block group 353827291136 > Ignoring transid failure > Ignoring transid failure > ERROR: Error adding block group -17 > ERROR: commit_root already set when starting transaction > WARNING: reserved space leaked, flag=0x4 bytes_reserved=81920 > extent buffer leak: start 67469312 len 16384 > extent buffer leak: start 29540352 len 16384 > WARNING: dirty eb leak (aborted trans): start 29540352 len 16384 > extent buffer leak: start 29589504 len 16384 > WARNING: dirty eb leak (aborted trans): start 29589504 len 16384 > extent buffer leak: start 29655040 len 16384 > WARNING: dirty eb leak (aborted trans): start 29655040 len 16384 > Init extent tree failed > [Inferior 1 (process 6259) exited with code 0357] > (gdb) > > > I ran it a second time and got the same output Well thats something at least, I've rigged it up to dump the leaf so I can see wtf is going on here. Thanks, Josef