From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264997AbUJNNs4 (ORCPT ); Thu, 14 Oct 2004 09:48:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265029AbUJNNs4 (ORCPT ); Thu, 14 Oct 2004 09:48:56 -0400 Received: from mailout.zma.compaq.com ([161.114.64.105]:4111 "EHLO zmamail05.zma.compaq.com") by vger.kernel.org with ESMTP id S264984AbUJNNsw (ORCPT ); Thu, 14 Oct 2004 09:48:52 -0400 Date: Thu, 14 Oct 2004 08:48:29 -0500 From: mikem To: Christoph Hellwig , akpm@osdl.org, axboe@suse.de, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org Subject: Re: cciss update [2/2] fixes for Steeleye Lifekeeper Message-ID: <20041014134829.GA21960@beardog.cca.cpqcorp.net> References: <20041013212253.GB9866@beardog.cca.cpqcorp.net> <20041014083900.GB7747@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041014083900.GB7747@infradead.org> User-Agent: Mutt/1.5.6i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 14, 2004 at 09:39:00AM +0100, Christoph Hellwig wrote: > On Wed, Oct 13, 2004 at 04:22:53PM -0500, mike.miller@hp.com wrote: > > This patch addresses a problem with clustering software and also some of our utilies. We had to modify the modify the open specifically for clustering. This is the same as was done for 2.4. We also have to register the reserved volumes with the OS so when the backup server breaks the reservations he can call BLKRRPART to set the volume to the correct size. > > We also have to register a controller that may not have any logical volumes configured. This is for the online utils as well as clustering. > > > > Patch applies to 2.6.9-rc4. Please apply in order. > > Please consider this for inclusion. > > No, this is bogus. Never call add_disk on a volume that hasn't been > configured and full set up. If you need to talk to our driver without > online volumes add a character device. > This is the way we've done it since the 2.2 kernel. We have legacy applications in the field that expect to open c?d0 as the controller. Creating a character device would require all these apps to change. mikem