From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH] 4/6: scsi_allow_ghost_devices Date: Sun, 18 Apr 2004 20:20:22 +0100 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <20040418202022.B3393@infradead.org> References: <20040418185950.GG4868@tpkurt.garloff.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from phoenix.infradead.org ([213.86.99.234]:59399 "EHLO phoenix.infradead.org") by vger.kernel.org with ESMTP id S263928AbUDRTUX (ORCPT ); Sun, 18 Apr 2004 15:20:23 -0400 Content-Disposition: inline In-Reply-To: <20040418185950.GG4868@tpkurt.garloff.de>; from garloff@suse.de on Sun, Apr 18, 2004 at 08:59:50PM +0200 List-Id: linux-scsi@vger.kernel.org To: Kurt Garloff , Linux SCSI list , James Bottomley , Andrew Morton On Sun, Apr 18, 2004 at 08:59:50PM +0200, Kurt Garloff wrote: > > Feature. > > scsi_allow_ghost_devices=N > This patch introduces a boot/module parameter that allows the user to tell > the kernel to NOT set the first N devices to offline despite they would > normally be. Needed for some EMC multipathing devices. > This parameter is even documented in EMC docs as both RH and SUSE had > such a parameter in their 2.4 vendor kernels :-/ I'm very unhappy with that. Could you explain why EMC needs this? And even if we have to work around it I'd rather use the blacklist mechanism for this.