From owner-freebsd-questions  Wed Sep 18 19:55:20 2002
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Date: Wed, 18 Sep 2002 19:55:18 -0700 (PDT)
From: "M.T." <mbsd@pacbell.net>
Subject: Re: vnconfig and VNIOCATTACH
In-reply-to: <20020918163850.GD23503@lara.unibe.ch>
X-X-Sender: mikko@atlas.home
To: Tobias Roth <roth@iam.unibe.ch>
Cc: freebsd-questions@freebsd.org
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On Wed, 18 Sep 2002, Tobias Roth wrote:

> I use the following commands to create a plain file, make a filesystem on it and mount it:
>    vnconfig -T -S 128m -Z -s labels -c vn0 /usr/plainfile
>    chmod 600 /usr/plainfile
>    disklabel -r -w vn0 auto
>    disklabel -e vn0
>    newfs /dev/vn0c
>    mount /dev/vn0c /mnt/targetdir
>
> For mounting the device (for instance after a reboot):
>    vnconfig -e -s labels vn0 /usr/plainfile mountro=/mnt/targetdir
>
> And for disabling:
>    vnconfig -d vn0c /usr/plainfile mount=/mnt/targetdir
>
> 1) do I use these commands correctly? I basically just copied stuff from the manpages
> 2) after disabling, when I am trying to re-enable the device, I get
>    vnconfig: VNIOCATTACH: Device busy
> What am I doing wrong?

Try "vnconfig -u vn0" to unconfigure the device.

    $.02,
    /Mikko


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