From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262292AbVFIGMn (ORCPT ); Thu, 9 Jun 2005 02:12:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262303AbVFIGMf (ORCPT ); Thu, 9 Jun 2005 02:12:35 -0400 Received: from sccrmhc14.comcast.net ([204.127.202.59]:61392 "EHLO sccrmhc14.comcast.net") by vger.kernel.org with ESMTP id S262294AbVFIGL1 (ORCPT ); Thu, 9 Jun 2005 02:11:27 -0400 Subject: Re: Performance figure for sx8 driver -- More information From: Kallol Biswas Reply-To: kallol@nucleodyne.com To: Jeff Garzik Cc: linux-kernel@vger.kernel.org In-Reply-To: <20050608212425.8951j70kxbwpcs8c@www.nucleodyne.com> References: <20050608212425.8951j70kxbwpcs8c@www.nucleodyne.com> Content-Type: text/plain Organization: NucleoDyne Systems Inc. Message-Id: <1118297512.9632.2.camel@driver> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-4) Date: 08 Jun 2005 23:11:52 -0700 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org The linux driver from Promise gets much better performance than sx8 on 2.6.6 (back port) kernel. The 2.6 Promise driver uses SCSI framework. On Wed, 2005-06-08 at 18:24, kallol@nucleodyne.com wrote: > Does anyone have performace figure for sx8 driver which is for promise SATAII150 > 8 port PCI-X adapter? > > Someone reports that on a platform with sx8 driver, multiple hdparms on > different disks those are connected to the same adapter (there are 8 ports) can > not get more than 45MB/sec in total, whereas a SCSI based driver for the same > adapter gets around 150MB/sec. > > Any comment on this? > > > Kallol Biswas > www.nucleodyne.com > kallol@nucleodyne.com > - > 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/