From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 1 Aug 2001 20:55:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 1 Aug 2001 20:55:37 -0400 Received: from vger.timpanogas.org ([207.109.151.240]:8462 "EHLO vger.timpanogas.org") by vger.kernel.org with ESMTP id ; Wed, 1 Aug 2001 20:55:30 -0400 Date: Wed, 1 Aug 2001 18:58:36 -0700 From: "Jeff V. Merkey" To: Alan Cox Cc: Scott Ransom , linux-kernel@vger.kernel.org Subject: Re: 3ware Escalade problems Message-ID: <20010801185836.B22548@vger.timpanogas.org> In-Reply-To: <20010801184032.A22548@vger.timpanogas.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: ; from alan@lxorguk.ukuu.org.uk on Thu, Aug 02, 2001 at 01:40:55AM +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 02, 2001 at 01:40:55AM +0100, Alan Cox wrote: > > Try putting four adapters into a system all at once with 32 drives, and > > you will see all sorts of bugs. I do not see problems with a single board, > > other than gendisk reporting junk. If it's the scsi layer, then the driver > > must not be calling the sd driver. I will attempt to get on the phone with > > Adam, and get these issues resolved. > > The scsi disk layer does the entire gendisk stuff itself. Its actually > very hard for a scsi driver to screw that up - the scsi driver has no > real concept of a 'disk'. sd talks to a disk and the scsi driver just gets > messages posted around. > > Alan Alan, If you have an adapter, install it, dumop and gendisk head, and take a look at what's happening. I am seeing drives being reported with 0 block lengths and other wierdness. Jeff