From owner-freebsd-scsi@FreeBSD.ORG Fri Jul 18 05:42:37 2008 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 89A19106566B for ; Fri, 18 Jul 2008 05:42:37 +0000 (UTC) (envelope-from scottl@samsco.org) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.freebsd.org (Postfix) with ESMTP id 2CABA8FC12 for ; Fri, 18 Jul 2008 05:42:37 +0000 (UTC) (envelope-from scottl@samsco.org) Received: from phobos.local ([192.168.254.200]) (authenticated bits=0) by pooker.samsco.org (8.13.8/8.13.8) with ESMTP id m6I5gXkZ039895; Thu, 17 Jul 2008 23:42:33 -0600 (MDT) (envelope-from scottl@samsco.org) Message-ID: <48802D49.5080002@samsco.org> Date: Thu, 17 Jul 2008 23:42:33 -0600 From: Scott Long User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.13) Gecko/20080313 SeaMonkey/1.1.9 MIME-Version: 1.0 To: Suresh M References: <35d53dbf0807160033l6380a537o1e4051136e9ca438@mail.gmail.com> In-Reply-To: <35d53dbf0807160033l6380a537o1e4051136e9ca438@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.4 required=3.8 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.1.8 X-Spam-Checker-Version: SpamAssassin 3.1.8 (2007-02-13) on pooker.samsco.org Cc: freebsd-scsi@freebsd.org Subject: Re: Need help X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Jul 2008 05:42:37 -0000 Suresh M wrote: > Hello, > > I have a Dell machine with FreeBSD 6.2 with Seagate SCSI disk. After a > prolonged time, one of the partitions got 3% of fragmentation. > > Can anyone help; > how can we check the fragmentation level of partitions ? Is there any > utility for de-fragmenting it ? > While any fragmentation is quite undesirable in MSDOS, it's mostly normal and expected in UFS. 3% fragmentation for a large volume is not unusual or particularly bad. Scott