From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030197AbVINWIw (ORCPT ); Wed, 14 Sep 2005 18:08:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030200AbVINWIv (ORCPT ); Wed, 14 Sep 2005 18:08:51 -0400 Received: from cramus.icglink.com ([66.179.92.18]:61058 "EHLO mx03.icglink.com") by vger.kernel.org with ESMTP id S1030197AbVINWIu (ORCPT ); Wed, 14 Sep 2005 18:08:50 -0400 Date: Wed, 14 Sep 2005 17:08:48 -0500 From: Phil Dier To: linux-kernel@vger.kernel.org Cc: ziggy@icglink.com, jack@icglink.com, scott@icglink.com Subject: Re: Slow I/O with SMP, Fusion-MPT and u160 SCSI JBOD Message-Id: <20050914170848.5ba812b8.phil@icglink.com> In-Reply-To: <43289926.1080108@rtr.ca> References: <20050914150109.232c6765.phil@icglink.com> <43289926.1080108@rtr.ca> Organization: ICGLink X-Mailer: Sylpheed version 2.0.0 (GTK+ 2.4.4; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 14 Sep 2005 17:41:58 -0400 Mark Lord wrote: > Phil Dier wrote: > > Hi, > > > > I just tried the 2.6.14-rc1 kernel to see if it exhibits the behaviour > > I have described before[0]. It still does. Briefly, I have a dual Xeon > .. > > Do you still have HZ set to 1000 in your .config file? (as per 2.6.12) With HZ at 1000, the speeds seem to be fine. Why would this occur with just this one controller? Just driver differences? -- Phil Dier (ICGLink.com -- 615 370-1530 x733) /* vim:set noai nocindent ts=8 sw=8: */