From owner-freebsd-questions@FreeBSD.ORG  Fri Mar 12 16:12:23 2004
Return-Path: <owner-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 0B70316A4CF
	for <freebsd-questions@freebsd.org>;
	Fri, 12 Mar 2004 16:12:23 -0800 (PST)
Received: from spam2.snu.ac.kr (spam2.snu.ac.kr [147.46.10.68])
	by mx1.FreeBSD.org (Postfix) with SMTP id 5440B43D1F
	for <freebsd-questions@freebsd.org>;
	Fri, 12 Mar 2004 16:12:22 -0800 (PST)
	(envelope-from nospam@users.sourceforge.net)
Received: (snipe 17657 invoked by alias); 13 Mar 2004 00:12:14 +0900(KST)
Received: from nospam@users.sourceforge.net with SpamSniper2.76 (Processed in
	0.047085 secs);
Received: from unknown (HELO sis1.snu.ac.kr) (147.46.10.36)
  by 0 with SMTP; 13 Mar 2004 00:12:14 +0900(KST)
X-RCPTTO: freebsd-questions@freebsd.org,mirya@ukrpost.net,
Received: from users.sourceforge.net ([147.47.254.184])
	by sis1.snu.ac.kr (8.12.10/8.12.10) with ESMTP id i2D08avJ304270;
	Sat, 13 Mar 2004 09:08:37 +0900
Message-ID: <405251DE.5080108@users.sourceforge.net>
Date: Sat, 13 Mar 2004 09:12:14 +0900
From: Rob <nospam@users.sourceforge.net>
User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.6) Gecko/20040312
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: Kyryll A Mirnenko <mirya@ukrpost.net>,
	freebsd-questions@freebsd.org
References: <200403130111.24664.mirya@ukrpost.net>
In-Reply-To: <200403130111.24664.mirya@ukrpost.net>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
Subject: Re: Why does `df` lie about free space
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.1
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: Sat, 13 Mar 2004 00:12:23 -0000


Kyryll A Mirnenko wrote:
>   That's an old problem, but yesterday I was working with 1.4G UFS2-slice 
> reported by `df` to have 400kb of free space. Alternative calculations (e.g. 
> writing a random file until kernel says no inode's free) give a result of 
> more that 100M (!) unused. Thats about 7% of the whole size!
>   So whats wrong with `df`?

Read "How is it possible for a partition to be more than 100% full?"
at

http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/disks.html

R.