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Date:      Tue, 18 Aug 2009 19:15:29 +0200
From:      Roland Smith <rsmith@xs4all.nl>
To:        Erik Norgaard <norgaard@locolomo.org>
Cc:        questions@freebsd.org
Subject:   Re: Recovering files after a crash
Message-ID:  <20090818171528.GA35403@slackbox.xs4all.nl>
In-Reply-To: <4A8A5887.1080304@locolomo.org>
References:  <4A8A5887.1080304@locolomo.org>

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On Tue, Aug 18, 2009 at 09:30:15AM +0200, Erik Norgaard wrote:
> Hi:
>=20
> I woke op to a crash this morning after a powerfailure, and now dmesg=20
> shows this:
>=20
> WARNING: / was not properly dismounted

> GEOM_LABEL: Label ufsid/442f8ac1c0db9af2 removed.
> GEOM_LABEL: Label for provider ad6s1a is ufsid/442f8ac1c0db9af2.
> GEOM_LABEL: Label ufsid/442f8ac5a7fa5dda removed.
> GEOM_LABEL: Label for provider ad6s1d is ufsid/442f8ac5a7fa5dda.
> GEOM_LABEL: Label ufsid/442f8ac950b22b46 removed.
> GEOM_LABEL: Label for provider ad6s1e is ufsid/442f8ac950b22b46.
> GEOM_LABEL: Label ufsid/442f8ad3e5c88ab8 removed.
> GEOM_LABEL: Label for provider ad6s1f is ufsid/442f8ad3e5c88ab8.
> GEOM_LABEL: Label ufsid/442f8ad59f647596 removed.
> GEOM_LABEL: Label for provider ad6s1g is ufsid/442f8ad59f647596.
> GEOM_LABEL: Label ufsid/442f8ae2200a8064 removed.
> GEOM_LABEL: Label for provider ad6s1h is ufsid/442f8ae2200a8064.
> GEOM_LABEL: Label ufsid/442f8ac1c0db9af2 removed.
> GEOM_LABEL: Label ufsid/442f8ac5a7fa5dda removed.
> GEOM_LABEL: Label ufsid/442f8ac950b22b46 removed.
> GEOM_LABEL: Label ufsid/442f8ad3e5c88ab8 removed.
> GEOM_LABEL: Label ufsid/442f8ad59f647596 removed.
> GEOM_LABEL: Label ufsid/442f8ae2200a8064 removed.

These GEOM_LABEL messagel have nothing to do with filesystem checks. You can
ignore them.
=20
> The problem is that I have no idea which files were affected.
>=20
> So, now some questions:
>=20
> First, how do I determine which files were corrupted? And how do I=20
> recover these files?

=46rom what you have shown it is impossible to tell.

A short filesystem check (fsck -F) is run at boot time. If no major problems
are found, the complete filesystem check is done later in the background.
The result of that check will be visible in /var/log/messages.

Roland
--=20
R.F.Smith                                   http://www.xs4all.nl/~rsmith/
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