From: Chris Murphy <lists@colorremedies.com>
To: "Jiří Lisický" <jiri_lisicky@seznam.cz>
Cc: Chris Murphy <lists@colorremedies.com>,
Btrfs BTRFS <linux-btrfs@vger.kernel.org>
Subject: Re: I can't mount image
Date: Sat, 23 May 2020 17:27:42 -0600 [thread overview]
Message-ID: <CAJCQCtRkWhtYmsS54ZNg7SnUsnB+WWzWcDCepV-f_giACY7SaQ@mail.gmail.com> (raw)
In-Reply-To: <3bc39223e567b7a4eca13bc554c74ef0c36fbaf2.camel@seznam.cz>
By the way, if you want to try repairs, I know that you're using an
image on loop. But it could still save you time to set up an overlay
to avoid modifying the image until you've found a combination that
works - if possible.
https://raid.wiki.kernel.org/index.php/Recovering_a_failed_software_RAID#Making_the_harddisks_read-only_using_an_overlay_file
This strikes me as extent tree corruption so I'd start with
--init-extent-tree, and follow that up without options (implies
--readonly). There is no bigger hammer, so it's worth a shot but only
because you're working on a copy of the fs. There's a chance it makes
things worse.
--
Chris Murphy
prev parent reply other threads:[~2020-05-23 23:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-17 19:51 I can't mount image Jiří Lisický
2020-05-18 23:45 ` Chris Murphy
2020-05-20 21:12 ` Jiří Lisický
2020-05-20 21:54 ` Chris Murphy
2020-05-23 14:38 ` Jiří Lisický
2020-05-23 23:21 ` Chris Murphy
2020-05-24 19:51 ` Jiří Lisický
2020-05-23 23:27 ` Chris Murphy [this message]
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