From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Sun, 01 Jun 2008 06:54:51 -0700 (PDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.168.28]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id m51DslS3001342 for ; Sun, 1 Jun 2008 06:54:47 -0700 Received: from server515.appriver.com (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id C042912285F6 for ; Sun, 1 Jun 2008 06:55:36 -0700 (PDT) Received: from server515.appriver.com (server515i.exghost.com [72.32.253.75]) by cuda.sgi.com with ESMTP id clOzJVfS1QXdw6JK for ; Sun, 01 Jun 2008 06:55:36 -0700 (PDT) Reply-To: Message-ID: <13c501c8c3ee$c6a31318$330ef40a@exchange.rackspace.com> Subject: Re: Limits of the 965 chipset & 3 PCI-e cards/southbridge? ~774MiB/s peak for read, ~650MiB/s peak for write? From: "David Lethe" Date: Sun, 1 Jun 2008 8:52:00 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 8bit Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Justin Piszcz , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org, xfs@oss.sgi.com -----Original Message----- From: "Justin Piszcz" Subj: Re: Limits of the 965 chipset & 3 PCI-e cards/southbridge? ~774MiB/s peak for read, ~650MiB/s peak for write? Date: Sun Jun 1, 2008 6:02 am Size: 793 bytes To: "linux-kernel@vger.kernel.org" ; "linux-raid@vger.kernel.org" ; "xfs@oss.sgi.com" On Sun, 1 Jun 2008, Justin Piszcz wrote: > I have 12 enterprise-class seagate 1TiB disks on a 965 desktop board and it > appears I have hit the limit, if I were able to get the maximum speed of all > drives, ~70MiB/avg * 12 = 840MiB/s but it seems to stop aound 774 MiB/s > (currently running badblocks on all drives).. Small correction, they are 7200.11 Seagate Desktop Drives (ST31000340AS), not enterprise drives: http://www.seagate.com/ww/v/index.jsp?vgnextoid=0732f141e7f43110VgnVCM100000f5ee0a0aRCRD http://www.newegg.com/Product/Product.aspx?Item=N82E16822148274 -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html