From owner-freebsd-hackers@FreeBSD.ORG Mon May 9 18:46:06 2005 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C6C3516A4EA for ; Mon, 9 May 2005 18:46:06 +0000 (GMT) Received: from mh1.centtech.com (moat3.centtech.com [207.200.51.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 61A6443D1F for ; Mon, 9 May 2005 18:46:06 +0000 (GMT) (envelope-from anderson@centtech.com) Received: from [10.177.171.220] (neutrino.centtech.com [10.177.171.220]) by mh1.centtech.com (8.13.1/8.13.1) with ESMTP id j49Ik3pO084238; Mon, 9 May 2005 13:46:03 -0500 (CDT) (envelope-from anderson@centtech.com) Message-ID: <427FAFE4.1020508@centtech.com> Date: Mon, 09 May 2005 13:45:56 -0500 From: Eric Anderson User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.7) Gecko/20050504 X-Accept-Language: en-us, en MIME-Version: 1.0 To: John Von Essen References: <427FA802.90805@chamkila.org> <20050509141507.J19546@beck.quonix.net> <427FABBB.4070605@dnainternet.net> <20050509143247.E20018@beck.quonix.net> In-Reply-To: <20050509143247.E20018@beck.quonix.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV 0.82/873/Mon May 9 11:36:51 2005 on mh1.centtech.com X-Virus-Status: Clean cc: freebsd-hackers@freebsd.org Subject: Re: Low HDD tranfer rate with FreeBSD 5.3-Release X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 May 2005 18:46:06 -0000 John Von Essen wrote: > Actually, using a variety of Maxtor drives, I don't think I have ever > gotten anything better then 11.5 Megabytes/sec - and this was on boards > with ATA-100. > > About a year ago I had several Tyan S2099's with a 40Gb Seagate, and was > doing drive duplications with dd and a FreeBSD boot CD. Again, 11 > Megabytes/sec max. Keep in mind that ATA-100 specifies the *bus* speed, not the platter-to-bus speed. Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology A lost ounce of gold may be found, a lost moment of time never. ------------------------------------------------------------------------