From owner-freebsd-questions@FreeBSD.ORG Thu Aug 25 20:32:39 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5034E16A41F for ; Thu, 25 Aug 2005 20:32:39 +0000 (GMT) (envelope-from lauasanf@wilderness.homeip.net) Received: from wilderness.homeip.net (24-183-193-23.dhcp.jcsn.tn.charter.com [24.183.193.23]) by mx1.FreeBSD.org (Postfix) with ESMTP id EF68A43D46 for ; Thu, 25 Aug 2005 20:32:38 +0000 (GMT) (envelope-from lauasanf@wilderness.homeip.net) Received: by wilderness.homeip.net (Postfix, from userid 1001) id 25CD51A8E2; Thu, 25 Aug 2005 15:12:19 -0500 (CDT) Received: from localhost (localhost [127.0.0.1]) by wilderness.homeip.net (Postfix) with ESMTP id 234AB1A8B7; Thu, 25 Aug 2005 15:12:19 -0500 (CDT) Date: Thu, 25 Aug 2005 15:12:19 -0500 (CDT) From: Laurence Sanford X-X-Sender: lauasanf@devel.cotharyus.net To: Mark Kane In-Reply-To: <430E294C.2080207@mkproductions.org> Message-ID: <20050825151032.A88957@devel.cotharyus.net> References: <430D3823.9070301@mkproductions.org> <20050825160909.GB10134@slackbox.xs4all.nl> <430DF015.5000203@mkproductions.org> <20050825173758.GA10790@slackbox.xs4all.nl> <430E0461.3030101@mkproductions.org> <20050825181931.GE10790@slackbox.xs4all.nl> <430E105D.3080509@mkproductions.org> <20050825200838.GA18166@slackbox.xs4all.nl> <430E294C.2080207@mkproductions.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-questions@freebsd.org Subject: Re: Performance Issues with AMD64 3000+, 1.5GB RAM, FreeBSD 5.4-RELEASE 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: Thu, 25 Aug 2005 20:32:39 -0000 On Thu, 25 Aug 2005, Mark Kane wrote: >> Hmm, if bzip2 can't saturate the CPU, I would say it's probably waiting >> for disk reads/writes. > > The drives I was trying to compress from/to are both brand new 200GB Maxtor > 7200RPM ATA133 drives. Maybe that has something to do with the bad controller > on this series of boards. Are both of these drives on the same channel? If so, remember that ATA cannot read/write to two drives on the same channel at the same time.