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Date: Sat, 4 Jun 2011 13:24:02 +0300
From: Kostik Belousov <kostikbel@gmail.com>
To: David Evans <dave.evans55@googlemail.com>
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Cc: freebsd-fs@freebsd.org
Subject: Re: fsck does not work on ZFS ZVOL formatted as UFS2
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On Sat, Jun 04, 2011 at 10:50:36AM +0100, David Evans wrote:
> This does not work
>=20
> zroot2 is a ZFS pool
>=20
> zfs create -V 10g zroot2/volume
> newfs /dev/zvol/zroot2/volume
> fsck /dev/zvol/zroot2/volume
>=20
> returns error- fsck: Could not determine filesystem type
>=20
> dumpfs and tunefs work on the volume.
>=20
> Perhaps I am doing something wrong, otherwise I
> would submit this as a bug report.
>=20
> 9-CURRENT as of a few days ago, amd64

fsck needs an entry in fstab to determine the filesystem type.
Either add the line to fstab, or use -t ufs.

This has nothing to do with zvols.

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