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From:   Josef Bacik <josef@toxicpanda.com>
Date:   Wed, 1 Jun 2022 18:34:51 -0400
Message-ID: <CAEzrpqduFy+7LkgWyyEnvYLgdJU6zDEWv25JM-niOg9tjmZ3Nw@mail.gmail.com>
Subject: Re: Rebuilding 24TB Raid5 array (was btrfs corruption: parent transid
 verify failed + open_ctree failed)
To:     Marc MERLIN <marc@merlins.org>
Cc:     linux-btrfs <linux-btrfs@vger.kernel.org>
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On Wed, Jun 1, 2022 at 5:40 PM Marc MERLIN <marc@merlins.org> wrote:
>
> On Wed, Jun 01, 2022 at 04:57:34PM -0400, Josef Bacik wrote:
> > Ok I've committed the code, but I forsee all sorts of wonky problems
> > since we don't have a tree root yet, there may be a variety of
> > segfaults I have to run down before it actually works.  So go ahead
> > and do
> >
> > btrfs rescue recover-chunks <device>
> >
> > if by some miracle it completes, you'll then want to run
>
> Found missing chunk 15483956887552-15485030629376 type 0
> Found missing chunk 15485030629376-15486104371200 type 0
> Found missing chunk 15486104371200-15487178113024 type 0
> Found missing chunk 15487178113024-15488251854848 type 0
> Found missing chunk 15488251854848-15489325596672 type 0
> Found missing chunk 15671861706752-15672935448576 type 0
> Found missing chunk 15672935448576-15674009190400 type 0
> Found missing chunk 15772793438208-15773867180032 type 0
> Found missing chunk 15773867180032-15774940921856 type 0
> Found missing chunk 15774940921856-15776014663680 type 0
> Found missing chunk 15776014663680-15777088405504 type 0
> Found missing chunk 15777088405504-15778162147328 type 0
> ERROR: Corrupted fs, no valid METADATA block group found
> Inserting chunk 14823605665792wtf transid 2582704
>

Fixed, lets try that again please.  Thanks,

Josef