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Date:      Sun, 18 May 2003 20:17:00 -0700 (PDT)
From:      Don Lewis <truckman@FreeBSD.org>
To:        andy@siliconlandmark.com
Cc:        current@FreeBSD.org
Subject:   Re: 5.1-BETA umount problems
Message-ID:  <200305190317.h4J3H0M7066994@gw.catspoiler.org>
In-Reply-To: <20030518225640.S28986@alpha.siliconlandmark.com>

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On 18 May, Andre Guibert de Bruet wrote:
> Hi,
> 
> Have a look at the following:
> 
> bling# umount -f /lib
> bling# umount -f /var
> bling# umount -f /tmp
> bling# df
> Filesystem  1K-blocks      Used     Avail Capacity  Mounted on
> /dev/ad4s1a    253678    114254    119130    49%    /
> devfs               1         1         0   100%    /dev
> /dev/ad4s1f 188308574   5989134 167254756     3%    /usr
> /dev/ad2    236514322 134812068  82781110    62%    /lib/oldbackup


> /lib/oldbackup has about 130GB worth of dumps in it, none of which are
> displayed in ls. /dev/ad2 becomes unmountable because it's busy and
> /lib/oldbackup contains nothing because it's unmounted. Is there a trick
> to get out of this catch-22? All filesystems in bling are UFS2.

I suspect nothing short of a reboot will get you out of this jam.

IMHO, "umount -f /lib" should have failed in this case.



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