Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750770AbVJJMgi (ORCPT ); Mon, 10 Oct 2005 08:36:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750774AbVJJMgh (ORCPT ); Mon, 10 Oct 2005 08:36:37 -0400 Received: from swm.pp.se ([195.54.133.5]:49060 "EHLO uplift.swm.pp.se") by vger.kernel.org with ESMTP id S1750770AbVJJMgh (ORCPT ); Mon, 10 Oct 2005 08:36:37 -0400 Date: Mon, 10 Oct 2005 14:36:36 +0200 (CEST) From: Mikael Abrahamsson To: linux-kernel@vger.kernel.org Subject: Re: 3Ware 9500S-12 RAID controller -- poor performance In-Reply-To: <20051010112233.6739.qmail@web30309.mail.mud.yahoo.com> Message-ID: References: <20051010112233.6739.qmail@web30309.mail.mud.yahoo.com> Organization: People's Front Against WWW MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 535 Lines: 15 On Mon, 10 Oct 2005, subbie subbie wrote: > Which tool can I use to stress all 12 disks reading many many files in > parallel? Start 400 dd:s ? You will find that you will destroy performance as the drive heads will be thrashing a lot. -- Mikael Abrahamsson email: swmike@swm.pp.se - 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/