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Date:      Wed, 1 Mar 2000 14:13:50 +0000
From:      Stuart Henderson <sthen@naiad.eclipse.net.uk>
To:        Rick Morel <rmorel@morelr.com>
Cc:        freebsd-isp@FreeBSD.ORG
Subject:   Re: Root File System Full
Message-ID:  <20000301141350.M82538@naiad.eclipse.net.uk>
In-Reply-To: <2.2.32.20000301135850.0068f878@mail.morelr.com>; from rmorel@morelr.com on Wed, Mar 01, 2000 at 07:58:50AM -0600
References:  <2.2.32.20000301135850.0068f878@mail.morelr.com>

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On Wed, Mar 01, 2000 at 07:58:50AM -0600, Rick Morel wrote:
> Suddenly the root file system shows at 101% on one machine I administer.
> 
> Filesystem  1K-blocks     Used    Avail Capacity  Mounted on
> /dev/wd0a       31743    29501     -297   101%    /
> 
> There's nothing shown in there to account for it. I know there must be some
> kind of "hidden" files because it always shows more with df, but... A search
> of the big FreeBSD book and on the web has been fruitless.

A process probably has a file open which it has since
unlinked. The file won't show in directory listings but
is using space until the process closes it.

> Anyone know what I can do to take care of this? BTW, I do have /tmp moved
> and set as a symbolic link on all my machines.

lsof (in ports/packages) is a useful tool to determine
which processes have open files (network connections, streams
and so on as well as ordinary files).



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