Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 14 Nov 2001 05:34:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 14 Nov 2001 05:34:04 -0500 Received: from mustard.heime.net ([194.234.65.222]:37506 "EHLO mustard.heime.net") by vger.kernel.org with ESMTP id ; Wed, 14 Nov 2001 05:33:58 -0500 Date: Wed, 14 Nov 2001 11:33:53 +0100 (CET) From: Roy Sigurd Karlsbakk To: "Craig I. Hagan" cc: , Subject: Re: Tuning Linux for high-speed disk subsystems In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > this isn't quite true. use either the RH kernel, the -ac series, or the > attached patch (for 2.4.15-pre4). Then set /proc/sys/vm/max-readahead to 511 or > 1023 (power of 2 minus 1) > > this should allow you to generate large enough io's for streaming reads to do > what you are looking for. What does the setting mean? The number of pages? -- Roy Sigurd Karlsbakk, MCSE, MCNE, CLS, LCA Computers are like air conditioners. They stop working when you open Windows. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/