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Date:   Fri, 10 Jun 2022 17:14:04 -0700
From:   Marc MERLIN <marc@merlins.org>
To:     Josef Bacik <josef@toxicpanda.com>
Cc:     linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: Rebuilding 24TB Raid5 array (was btrfs corruption: parent
 transid verify failed + open_ctree failed)
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On Fri, Jun 10, 2022 at 03:55:09PM -0400, Josef Bacik wrote:
> Soooooo I've fixed my idiocy and moved the code around.  Unfortunately
> my last fix deleted the stripes from the sys array, so we need to get
> those back.  So once again run

Thanks for looking into this
 
> btrfs rescue recover-chunks <device>
> btrfs rescue init-extent-tree <device>
> btrfs check --repair <device>

Let's go for another round :)

gargamel:/var/local/src/btrfs-progs-josefbacik# ./btrfs rescue recover-chunks /dev/mapper/dshelf1
FS_INFO IS 0x559bd17b9bc0
Couldn't find the last root for 8
FS_INFO AFTER IS 0x559bd17b9bc0
Walking all our trees and pinning down the currently accessible blocks
Found missing chunk in super block 20971520-29360128 type 34
adding bg for 20971520 8388608
kernel-shared/extent-tree.c:2829: btrfs_add_block_group: BUG_ON `ret` triggered, value -17
./btrfs(+0x29f27)[0x559bd01a8f27]
./btrfs(btrfs_add_block_group+0x1e0)[0x559bd01ad700]
./btrfs(btrfs_find_recover_chunks+0x4fe)[0x559bd020fc44]
./btrfs(+0x848ce)[0x559bd02038ce]
./btrfs(handle_command_group+0x49)[0x559bd019717b]
./btrfs(main+0x94)[0x559bd0197275]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xcd)[0x7fe20f24a7fd]
./btrfs(_start+0x2a)[0x559bd0196e1a]
Aborted

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