From owner-freebsd-questions@FreeBSD.ORG Thu Mar 4 12:43:21 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8F57B106566B for ; Thu, 4 Mar 2010 12:43:21 +0000 (UTC) (envelope-from djr@pdconsec.net) Received: from ipmail07.adl2.internode.on.net (ipmail07.adl2.internode.on.net [150.101.137.131]) by mx1.freebsd.org (Postfix) with ESMTP id 1B7A38FC08 for ; Thu, 4 Mar 2010 12:43:20 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApsEACs5j0uWZcBC/2dsb2JhbACcCbdKhHwE Received: from goliath.pdconsec.net (HELO smtp.pdconsec.net) ([150.101.192.66]) by ipmail07.adl2.internode.on.net with SMTP; 04 Mar 2010 23:13:18 +1030 Received: from mail1.pdconsec.net ([192.168.1.41] helo=mail1.pdconsec.net) with IPv4:25 by smtp.pdconsec.net; 4 Mar 2010 23:43:17 +1100 Received: from smtp.pdconsec.net ([192.168.1.32] RDNS failed) by mail1.pdconsec.net with Microsoft SMTPSVC(6.0.3790.3959); Thu, 4 Mar 2010 23:42:31 +1100 Received: from [10.14.6.41] ([150.101.192.69] helo=[10.14.6.41]) with IPv4:10025 by smtp.pdconsec.net; 4 Mar 2010 23:43:17 +1100 Message-ID: <4B8FAAB7.1060203@pdconsec.net> Date: Thu, 04 Mar 2010 23:42:31 +1100 From: David Rawling User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.8) Gecko/20100216 Thunderbird/3.0.2 MIME-Version: 1.0 To: freebsd-questions@freebsd.org References: <75a268721003010102n4e1cc375qdbd8f3b2acb96c40@mail.gmail.com> <20100301154004.GU70798@dan.emsphone.com> In-Reply-To: <20100301154004.GU70798@dan.emsphone.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 04 Mar 2010 12:42:31.0453 (UTC) FILETIME=[280834D0:01CABB98] Subject: Re: IBM DS4800 Storage X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Mar 2010 12:43:21 -0000 On 2/03/2010 2:40 AM, Dan Nelson wrote: > In the last episode (Mar 01), Omer Faruk Sen said: > >> (da0:isp1:0:0:6): Vendor Specific ASC >> (da0:isp1:0:0:6): Unretryable error >> (da0:isp1:0:0:6): READ(10). CDB: 28 0 0 0 0 10 0 0 1 0 >> (da0:isp1:0:0:6): CAM Status: SCSI Status Error >> (da0:isp1:0:0:6): SCSI Status: Check Condition >> (da0:isp1:0:0:6): ILLEGAL REQUEST asc:94,1 >> (da0:isp1:0:0:6): Vendor Specific ASC >> (da0:isp1:0:0:6): Unretryable error >> > According to the "DS4000 Problem Determination Guide" at > ftp://ftp.software.ibm.com/systems/support/system_x_pdf/gc27207600.pdf#page=104 > , ASC/ASCQ 94/01 corresponds to "Invalid Request Due to Current Logical Unit > Ownership". Maybe the DS4800 thinks that the lun has been assigned to a > different host, and that's why it won't let the FreeBSD machine access it. > > Other web searches indicate that this may be an attempt to access the > passive path of multipathed device on an active/passive RAID array. If > that's the case, FreeBSD should have found another disk (da1 possibly?) that > you should be able to use. > > That being the case, it's also possible that the LUN is accessible to the FreeBSD system, but another application or system has applied a SCSI-2 "reservation" or a SCSI-3 persistent reservation to the disk; that would prevent the FreeBSD system from accessing the LUN. Perhaps see what servers or devices the DS4800 thinks is connected to the LUN. Dave. -- David Rawling PD Consulting And Security Mob: +61 412 135 513 Email: djr@pdconsec.net