From owner-freebsd-questions@FreeBSD.ORG  Wed Jul 20 12:55:15 2005
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
X-Original-To: freebsd-questions@freebsd.org
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id C222716A41F
	for <freebsd-questions@freebsd.org>;
	Wed, 20 Jul 2005 12:55:15 +0000 (GMT)
	(envelope-from a.shterenlikht@manchester.ac.uk)
Received: from deluge.umist.ac.uk (deluge.umist.ac.uk [130.88.120.66])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 6A07C43D48
	for <freebsd-questions@freebsd.org>;
	Wed, 20 Jul 2005 12:55:15 +0000 (GMT)
	(envelope-from a.shterenlikht@manchester.ac.uk)
Received: from webmail2.manchester.ac.uk ([130.88.204.18])
	by deluge.umist.ac.uk with esmtp (Exim 4.43) id 1DvE8D-0004Q9-HI
	for freebsd-questions@freebsd.org; Wed, 20 Jul 2005 13:57:01 +0100
Received: by webmail2.manchester.ac.uk (Postfix, from userid 30)
	id 3EFB68000FE; Wed, 20 Jul 2005 13:55:14 +0100 (BST)
Received: from pw29.mt.umist.ac.uk (pw29.mt.umist.ac.uk [130.88.136.117])
	by webmail2.manchester.ac.uk (Horde) with HTTP ;
	Wed, 20 Jul 2005 13:55:14 +0100
Message-ID: <20050720135514.gqgao08ccg40sok4@webmail2.manchester.ac.uk>
X-Priority: 3 (Normal)
Date: Wed, 20 Jul 2005 13:55:14 +0100
From: a.shterenlikht@manchester.ac.uk
To: freebsd-questions@freebsd.org
MIME-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-15
Content-Disposition: inline
Content-Transfer-Encoding: 7bit
User-Agent: Internet Messaging Program (IMP) 4.0-cvs
X-Originating-IP: 130.88.136.117
Subject: df size mismatch
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 20 Jul 2005 12:55:15 -0000

why does df show that used+available < size?
in my case there is 20M missing for smaller partitions and
6GB missing for the larger one. How much can I really use?

anton

pw29# df -m
Filesystem  1M-blocks Used Avail Capacity  Mounted on
/dev/ad0s1a       247  129    98    57%    /
devfs               0    0     0   100%    /dev
/dev/ad0s1e       247    0   227     0%    /tmp
/dev/ad0s1f     27172 1453 23544     6%    /usr
/dev/ad0s1d       247    5   222     3%    /var