From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757836AbXE3XP6 (ORCPT ); Wed, 30 May 2007 19:15:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752279AbXE3XPu (ORCPT ); Wed, 30 May 2007 19:15:50 -0400 Received: from an-out-0708.google.com ([209.85.132.249]:56427 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752241AbXE3XPt (ORCPT ); Wed, 30 May 2007 19:15:49 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=d6J7yF2gjSEHhsqYFEajvkCMPtbc42/RyryrLOteF83XjEXQiM4fWiOa/foAeC49pFigY8NAn2Xux/AA504UQdzFopne/wUI6WLBLP9YLeVZIlpY7wyD1L8Au4pxAa7Fk+UmYo9tHyiFouq1D8h4haEVlL5rlJWqn7mkn/vsCzI= Message-ID: <9a8748490705301615y73a11fcfn5fc7a88bf6eef2b1@mail.gmail.com> Date: Thu, 31 May 2007 01:15:47 +0200 From: "Jesper Juhl" To: "Reinaldo Carvalho" Subject: Re: megaraid.c, all kernel versions, problem with multi-luns Cc: linux-kernel@vger.kernel.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 31/05/07, Reinaldo Carvalho wrote: > Hi, > > I have a Dell PowerEdge Expandable RAID controller, with a hardware > Raid-5 at Channel 01 running perfectly, and a nCipher Crypter at > Channel 02. > > This controller doesn't correctly detect devices (e.g. nCipher > Crypter) with multiples LUNs. Only one LUN is detected. > > At another controller (e.g. Adaptec 79xx) two LUNs were detect. I > compiled 2.6.8, 2.6.18 and 2.6.21.3 to test megaraid driver and all > failed detecting two LUNs. > Did you build your kernel with CONFIG_SCSI_MULTI_LUN enabled? This option will force the SCSI driver to probe for multiple LUN's. Without this option only one LUN may be detected, and since that's the common case (devices only having one LUN) people often forget about this option :) -- Jesper Juhl Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html Plain text mails only, please http://www.expita.com/nomime.html