From owner-freebsd-current@FreeBSD.ORG Sun May 8 00:17:39 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A2C6916A4DD; Sun, 8 May 2005 00:17:39 +0000 (GMT) Received: from freebee.digiware.nl (dsl439.iae.nl [212.61.63.187]) by mx1.FreeBSD.org (Postfix) with ESMTP id 16DFA43D9F; Sun, 8 May 2005 00:17:38 +0000 (GMT) (envelope-from wjw@withagen.nl) Received: from [212.61.27.71] (dual.digiware.nl [212.61.27.71]) by freebee.digiware.nl (8.13.1/8.13.1) with ESMTP id j480HZJR096873; Sun, 8 May 2005 02:17:35 +0200 (CEST) (envelope-from wjw@withagen.nl) Message-ID: <427D5AA0.1080609@withagen.nl> Date: Sun, 08 May 2005 02:17:36 +0200 From: Willem Jan Withagen User-Agent: Mozilla Thunderbird 0.9 (Windows/20041103) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Steven Hartland References: <069901c54bfd$2967ba40$7f06000a@int.mediasurface.com> In-Reply-To: <069901c54bfd$2967ba40$7f06000a@int.mediasurface.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-hackers@freebsd.org cc: freebsd-current@freebsd.org Subject: Re: Very low disk performance Highpoint 1820a X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 08 May 2005 00:17:39 -0000 Steven Hartland wrote: > I've just finished putting together a new server box spec: > Dual AMD 244, 2GB ram, 5 * Seagate SATA 400GB on a > Highpoint 1820a RAID 5 array. > 5.4-STABLE Highpoint 1820a RAID 5 ( 5 disk ) . > 655360000 bytes transferred in 13.348032 secs (49097875 bytes/sec) You're only transfering 640M in 2GB of RAM, big chance that you're testing memory/buffercode-speed in stead of testing diskspeed. --WjW