From owner-freebsd-questions@FreeBSD.ORG Fri Aug 12 23:00:54 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 21A381065675 for ; Fri, 12 Aug 2011 23:00:54 +0000 (UTC) (envelope-from rjgonzale@estrads.com.ar) Received: from oproxy1-pub.bluehost.com (oproxy1.bluehost.com [IPv6:2605:dc00:100:2::a1]) by mx1.freebsd.org (Postfix) with SMTP id D96678FC14 for ; Fri, 12 Aug 2011 23:00:53 +0000 (UTC) Received: (qmail 3547 invoked by uid 0); 12 Aug 2011 23:00:53 -0000 Received: from unknown (HELO box511.bluehost.com) (74.220.219.111) by oproxy1.bluehost.com with SMTP; 12 Aug 2011 23:00:53 -0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=estrads.com.ar; s=default; h=Content-Type:In-Reply-To:References:Subject:CC:To:MIME-Version:From:Date:Message-ID; bh=yQMUg9W3Iz2+pSjY5wMhlkR52TXGqOGzqRFeLimRuJk=; b=gqjQkut6YrLc3uiysWE7GDAiuHpzJmnI3XV660W+V6iagCQTYDxEnqkl15mLb6EMPD+atyQzW6DXCaR/evusnys8eRI26C8yFgx+Av3tLu2BfrcBl8Bf4h+5hJJ/0cKC; Received: from 20-72-231-201.fibertel.com.ar ([201.231.72.20] helo=localhost.localdomain) by box511.bluehost.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (envelope-from ) id 1Qs0ij-0001o5-6B; Fri, 12 Aug 2011 17:00:53 -0600 Message-ID: <4E45B09F.6010804@estrads.com.ar> Date: Fri, 12 Aug 2011 20:00:47 -0300 From: Rodrigo Gonzalez User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:5.0) Gecko/20110707 Thunderbird/5.0 MIME-Version: 1.0 To: Alain AUDEBERT aka 2A References: <5F5BA901-50F2-4F5F-A1A6-1267E5B7C212@me.com> In-Reply-To: <5F5BA901-50F2-4F5F-A1A6-1267E5B7C212@me.com> X-Identified-User: {32647:box511.bluehost.com:gonosade:estrads.com.ar} {sentby:smtp auth 201.231.72.20 authed with rjgonzale@estrads.com.ar} Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-questions@freebsd.org Subject: Re: Don't understand df/du output X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Aug 2011 23:00:54 -0000 On 08/12/2011 06:58 PM, Alain AUDEBERT aka 2A wrote: > Hello list, > > I having a problem to understand the output of du and df command : > > [root@ftp ~]# df -h /opt/ > Filesystem Size Used Avail Capacity Mounted on > /dev/xbd6 387G 342G 13G 96% /opt > > [root@ftp ~]# du -sh /opt/ > 342G /opt/ > > But 387Go - 342Go not equal to 13Go ! Where's the available space ? > (same thing with df -k) > > I have try a tunefs -m 1 /dev/xbd6, unmount, mount and nothing change > Is it the 8% reserved by FFS ? Yes read http://www.freebsd.org/doc/en/books/faq/disks.html Question *9.27* (last one) > > Regards, > > Alain >