From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261758AbVDAPa1 (ORCPT ); Fri, 1 Apr 2005 10:30:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262771AbVDAPa0 (ORCPT ); Fri, 1 Apr 2005 10:30:26 -0500 Received: from icecream.egps.com ([38.119.130.6]:44038 "EHLO mail.egps.com") by vger.kernel.org with ESMTP id S261758AbVDAP2r (ORCPT ); Fri, 1 Apr 2005 10:28:47 -0500 Date: Fri, 1 Apr 2005 10:28:46 -0500 From: Nachman Yaakov Ziskind To: Burton Windle Cc: linux-kernel@vger.kernel.org Subject: Re: Slow SCSI perf in RH 7.3 Message-ID: <20050401102846.A24623@egps.egps.com> Reply-To: awacs@ziskind.us References: <20050330174828.B27631@egps.egps.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.3.23i X-Mailer: Outlook stinks. Dump Outlook. Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Burton Windle wrote (on Wed, Mar 30, 2005 at 06:01:21PM -0500): > On Wed, 30 Mar 2005, Nachman Yaakov Ziskind wrote: > > >I have a server: > >2.4.20-28.7 #1 Thu Dec 18 11:31:59 EST 2003 i686 > > > > Looking at the output of 'top' may be helpful, as it will show if the > system is CPU or IO bound. However, plese note that 2.4.20 is quite old > (November of 2002), and contains numerous security holes. Upgrading to > something more recent, like 2.4.29, may be a good first start. Thanks for the quick reply. Sar seems to indicate that the server is disk-bound (although some swapping is going on, so more RAM is on the way). CPU is idle, consistently, 99% of the time. Would upgrading the kernel help the disk performance? Server is not connected to the internet, so security concerns are not *that* important, but performance is ... -- _________________________________________ Nachman Yaakov Ziskind, FSPA, LLM awacs@ziskind.us Attorney and Counselor-at-Law http://ziskind.us Economic Group Pension Services http://egps.com Actuaries and Employee Benefit Consultants