From owner-freebsd-questions@FreeBSD.ORG Mon Aug 10 23:07:06 2009 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 0FABD106564A for ; Mon, 10 Aug 2009 23:07:06 +0000 (UTC) (envelope-from nafzal@hotmail.com) Received: from col0-omc4-s18.col0.hotmail.com (col0-omc4-s18.col0.hotmail.com [65.55.34.220]) by mx1.freebsd.org (Postfix) with ESMTP id E8AF18FC1E for ; Mon, 10 Aug 2009 23:07:05 +0000 (UTC) Received: from COL111-W45 ([65.55.34.199]) by col0-omc4-s18.col0.hotmail.com with Microsoft SMTPSVC(6.0.3790.3959); Mon, 10 Aug 2009 15:55:54 -0700 Message-ID: X-Originating-IP: [192.55.54.38] From: Naeem Afzal To: Date: Mon, 10 Aug 2009 22:55:54 +0000 Importance: Normal Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginalArrivalTime: 10 Aug 2009 22:55:54.0601 (UTC) FILETIME=[B7526D90:01CA1A0D] Subject: filesystem size after newfs 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: Mon, 10 Aug 2009 23:07:06 -0000 I created this small partition of 512K bytes on disk=2C I am noticing a= bout 24% is used up before system can be mounted and used. My assumption wa= s about 4% is supposed to be used if minfree is set to 0. #newfs -U -l -m 0 -n -o space /dev/ad1d /dev/ad1d: 0.5MB (1024 sectors) block size 16384=2C fragment size 2048 = using 1 cylinder groups of 0.50MB=2C 32 blks=2C 64 inodes with soft updates super-block backups (for fsck -b #) at: 160 #mount /dev/ad1d /test #df -H /test Filesystem Size Used Avail Capacity Mounted on /dev/ad1d 391k 2.0k 389k 1% /test Could someone explain where the 512-391=3D121K of disk space went to? W= hat is the relation between this used of space and total paritition size or= is it some fixed ratio? Thanks & Regards Naeem _________________________________________________________________ Express your personality in color! Preview and select themes for Hotmail=AE= .=20 http://www.windowslive-hotmail.com/LearnMore/personalize.aspx?ocid=3DPID233= 91::T:WLMTAGL:ON:WL:en-US:WM_HYGN_express:082009=