Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 17 Apr 2002 13:07:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 17 Apr 2002 13:07:46 -0400 Received: from vger.timpanogas.org ([216.250.140.154]:54157 "EHLO vger.timpanogas.org") by vger.kernel.org with ESMTP id ; Wed, 17 Apr 2002 13:07:43 -0400 Date: Wed, 17 Apr 2002 10:27:22 -0700 From: "Jeff V. Merkey" To: Alan Cox Cc: nick@snowman.net, Baldur Norddahl , Mike Dresser , linux-kernel@vger.kernel.org Subject: Re: IDE/raid performance Message-ID: <20020417102722.B26720@vger.timpanogas.org> In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org >From my analysis with 3Ware at 32 drive configurations, you really need to power the drives from a separate power supply is you have more than 16 devices. They really suck the power during initial spinup. Jeff On Wed, Apr 17, 2002 at 04:48:20PM +0100, Alan Cox wrote: > > 432watts. This will go down alot after all your disks spin up, but I'm > > amazed your system boots. Morale of this message: Don't be a dipshit and > > put 12 IDE disks on a single power supply. > > I've run a dual athlon set up fully loaded with cards with 10 disks - that > takes a 550W PSU but works > - > 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/ - 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/