From owner-freebsd-current Wed Apr 19 18:11: 7 2000 Delivered-To: freebsd-current@freebsd.org Received: from ugly.prth.tensor.pgs.com (ugly.prth.tensor.pgs.com [157.147.225.240]) by hub.freebsd.org (Postfix) with ESMTP id B228837B830 for ; Wed, 19 Apr 2000 18:11:04 -0700 (PDT) (envelope-from shocking@ugly.prth.tensor.pgs.com) Received: from ugly (IDENT:shocking@localhost.prth.tensor.pgs.com [127.0.0.1]) by ugly.prth.tensor.pgs.com (8.9.3/8.9.3) with ESMTP id JAA12695 for ; Thu, 20 Apr 2000 09:09:05 +0800 Message-Id: <200004200109.JAA12695@ugly.prth.tensor.pgs.com> X-Mailer: exmh version 2.1.1 10/15/1999 To: current@freebsd.org Subject: ATAPI disk utilisation oddity Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 20 Apr 2000 09:09:03 +0800 From: Stephen Hocking-Senior Programmer PGS SPS Perth Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG I have a system with 2 UDMA33 disks attached, each on a seperate controller. When hitting them both hard, the utilisation (as measured by systat) never adds up to more than 100%. I thought this limitation only held when they were both on the same controller - what gives? Stephen -- The views expressed above are not those of PGS Tensor. "We've heard that a million monkeys at a million keyboards could produce the Complete Works of Shakespeare; now, thanks to the Internet, we know this is not true." Robert Wilensky, University of California To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message