From owner-freebsd-performance@FreeBSD.ORG Tue Aug 31 18:16:59 2004 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4A9C316A4E5 for ; Tue, 31 Aug 2004 18:16:59 +0000 (GMT) Received: from salvador.pacific.net.sg (salvador.pacific.net.sg [203.120.90.219]) by mx1.FreeBSD.org (Postfix) with SMTP id 0F0B443D68 for ; Tue, 31 Aug 2004 18:16:58 +0000 (GMT) (envelope-from oceanare@pacific.net.sg) Received: (qmail 26915 invoked from network); 31 Aug 2004 18:16:57 -0000 Received: from unknown (HELO maxwell6.pacific.net.sg) (203.120.90.212) by salvador with SMTP; 31 Aug 2004 18:16:56 -0000 Received: from [192.168.0.107] ([210.24.202.141]) by maxwell6.pacific.net.sg with ESMTP <20040831181656.YFLH8095.maxwell6.pacific.net.sg@[192.168.0.107]>; Wed, 1 Sep 2004 02:16:56 +0800 Message-ID: <4134C095.6090509@pacific.net.sg> Date: Wed, 01 Sep 2004 02:16:53 +0800 From: Erich Dollansky User-Agent: Mozilla Thunderbird 0.7.1 (X11/20040714) X-Accept-Language: en-us, en MIME-Version: 1.0 To: User A References: <20040831133551.GA86660@lori.mine.nu> <4134B312.8030309@pacific.net.sg> <1093958674.680.2.camel@book> In-Reply-To: <1093958674.680.2.camel@book> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: Geert Hendrickx cc: freebsd-performance@freebsd.org Subject: Re: spreading partitions over multiple drivers X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Aug 2004 18:16:59 -0000 Hi, User A wrote: >>>And would it make sense (if the disks are large enough) to split /usr >>>into seperate /usr, /usr/local, /usr/X11R6, etc partitions to reduce >>>fragmentation? >>> >> >>Fragmentation is not a problem for FreeBSD. >> > > > Why is it not a problem?.. i dont know if its my idea.. but when i > deinstall/install ports often i see a little slowdown. > What you see is not fragmentation of individual files but the spreading of the files from one directory over the disk. If those files are accessed very often, the heads have to be move all over the disk. Erich