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Date:      Thu, 15 Oct 1998 10:31:55 -0700 (PDT)
From:      David Wolfskill <dhw@whistle.com>
To:        dan@dpcsys.com, doug@footech.com
Cc:        questions@FreeBSD.ORG
Subject:   Re: qpopper
Message-ID:  <199810151731.KAA02570@pau-amma.whistle.com>
In-Reply-To: <199810151641.JAA25774@srv01.bigwheel.net>

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>Date: Thu, 15 Oct 1998 09:41:23 -0700 (PDT)
>From: Doug Jolley <doug@footech.com>

>....That
>was beacause, much to my surprise, I found that I couldn't
>umount either the /var or /usr file systems (or both, I don't
>remember).  I would get a "device busy" error.  I usually
>associate that particular error with being logged into the
>filesystem that I'm trying to umount; but, I wasn't.  I was
>logged into the / filesystem.  What I wanted to do was to
>interactively umount the existing /var and /usr filesystems
>and then interactively mount the corresponding file systems
>from the primary drive.  I'd love to know why I couldn't
>umount those file systems.

Generally, it means that at least one process is running that has a
file or directory on the filesystem open -- for example, the mount point
(or one of its sub-directories) could be the "current working directory"
of a process.

david
-- 
David Wolfskill		UNIX System Administrator
dhw@whistle.com		voice: (650) 577-7158	pager: (650) 371-4621

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