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 62ED6C433F5 for ; Sun, 24 Apr 2022 20:55:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239597AbiDXU57 (ORCPT ); Sun, 24 Apr 2022 16:57:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56994 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233920AbiDXU56 (ORCPT ); Sun, 24 Apr 2022 16:57:58 -0400 Received: from mail1.merlins.org (magic.merlins.org [209.81.13.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E6F2255481 for ; Sun, 24 Apr 2022 13:54:54 -0700 (PDT) Received: from merlin by mail1.merlins.org with local (Exim 4.94.2 #2) id 1nijFu-0008HJ-8Y by authid ; Sun, 24 Apr 2022 13:54:54 -0700 Date: Sun, 24 Apr 2022 13:54:54 -0700 From: Marc MERLIN To: Josef Bacik Cc: "linux-btrfs@vger.kernel.org" Subject: Re: Rebuilding 24TB Raid5 array (was btrfs corruption: parent transid verify failed + open_ctree failed) Message-ID: <20220424205454.GB29107@merlins.org> References:

<20220424162450.GY11868@merlins.org> <20220424184341.GA1523521@merlins.org> <20220424194444.GA12542@merlins.org> <20220424203133.GA29107@merlins.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Sysadmin: BOFH X-URL: http://marc.merlins.org/ User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: marc@merlins.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Sun, Apr 24, 2022 at 04:32:23PM -0400, Josef Bacik wrote: > On Sun, Apr 24, 2022 at 4:31 PM Marc MERLIN wrote: > > > > On Sun, Apr 24, 2022 at 04:01:34PM -0400, Josef Bacik wrote: > > > > (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 > > > > > > Huh ok, it's the UUID tree, weird. I pushed, can you re-run > > > tree-recover, you can stop it after it does root 9, I just want to see > > > what bytenr it thinks the root node is at. Thanks, > > > > (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 > > Sorry, I need tree-recover, not init-extent-tree. Thanks, gdb) run rescue tree-recover /dev/mapper/dshelf1 Starting program: /var/local/src/btrfs-progs-josefbacik/btrfs rescue tree-recover /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 Couldn't find the last root for 8 FS_INFO AFTER IS 0x55555564cbc0 Checking root 2 bytenr 67387392 Checking root 4 bytenr 15645196861440 Checking root 5 bytenr 13577660252160 Checking root 7 bytenr 13577819963392 Checking root 9 bytenr 15645878108160 Checking root 11221 bytenr 13577562996736 Checking root 11222 bytenr 15645261905920 Checking root 11223 bytenr 13576862547968 Checking root 11224 bytenr 13577126182912 Checking root 159785 bytenr 6781490577408 Checking root 159787 bytenr 15645908385792 Checking root 160494 bytenr 6781491265536 Checking root 160496 bytenr 11822309965824 Checking root 161197 bytenr 6781492101120 Checking root 161199 bytenr 13576850833408 Checking root 162628 bytenr 15645764812800 Checking root 162632 bytenr 6781492756480 Checking root 162645 bytenr 5809981095936 Checking root 163298 bytenr 15645124263936 Checking root 163302 bytenr 6781495197696 Checking root 163303 bytenr 15645365993472 Checking root 163316 bytenr 6781496393728 Checking root 163318 bytenr 15645980491776 Checking root 163916 bytenr 11822437826560 Checking root 163920 bytenr 11971021275136 Checking root 163921 bytenr 11971073802240 Checking root 164620 bytenr 15645434036224 Checking root 164624 bytenr 15645502210048 Checking root 164633 bytenr 15645526884352 Checking root 165098 bytenr 11970667446272 Checking root 165100 bytenr 11970733621248 Checking root 165198 bytenr 12511656394752 Checking root 165200 bytenr 12511677972480 Checking root 165294 bytenr 13576901328896 Checking root 165298 bytenr 13577133326336 Checking root 165299 bytenr 13577191505920 Checking root 18446744073709551607 bytenr 13576823685120 Tree recovery finished, you can run check now [Inferior 1 (process 6147) exited normally] (gdb) -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Home page: http://marc.merlins.org/