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Date:   Thu, 26 May 2022 11:12:47 -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 Thu, May 26, 2022 at 01:44:00PM -0400, Josef Bacik wrote:
> > I still have this that ran almost a week:
> > gargamel:/var/local/src/btrfs-progs-josefbacik# jobs
> > [1]+  Stopped                 ./btrfs rescue init-extent-tree /dev/mapper/dshelf1 2>&1 | tee /mnt/btrfs_space/ri1
> >
> > I assume it's invalidated and I should kill it?
> > If so, do I start the same thing again?
> >
> 
> Kill it and start it again, hopefully this time we have all the chunks
> and the init should be quick like it was before.  Thanks,

gargamel:/var/local/src/btrfs-progs-josefbacik# ./btrfs rescue init-extent-tree /dev/mapper/dshelf1 2>&1 | tee /mnt/btrfs_space/ri1
checksum verify failed on 21135360 wanted 0x00000000 found 0x3533f3b5
checksum verify failed on 21135360 wanted 0x00000000 found 0x3533f3b5
checksum verify failed on 21135360 wanted 0x00000000 found 0x3533f3b5
Csum didn't match
ERROR: cannot read chunk root
WTF???
ERROR: open ctree failed, try btrfs rescue tree-recover
Init extent tree failed

Do I do
./btrfs rescue tree-recover --init-extent-tree /dev/mapper/dshelf1
or
./btrfs rescue tree-recover /dev/mapper/dshelf1

Thanks,
Marc
-- 
"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/