From owner-freebsd-scsi@FreeBSD.ORG  Tue Mar  6 02:45:27 2012
Return-Path: <owner-freebsd-scsi@FreeBSD.ORG>
Delivered-To: freebsd-scsi@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id C544C106566C
	for <freebsd-scsi@freebsd.org>; Tue,  6 Mar 2012 02:45:27 +0000 (UTC)
	(envelope-from mj@feral.com)
Received: from ns1.feral.com (ns1.feral.com [192.67.166.1])
	by mx1.freebsd.org (Postfix) with ESMTP id 92E148FC20
	for <freebsd-scsi@freebsd.org>; Tue,  6 Mar 2012 02:45:27 +0000 (UTC)
Received: from [192.168.135.100] (c-76-126-166-136.hsd1.ca.comcast.net
	[76.126.166.136]) (authenticated bits=0)
	by ns1.feral.com (8.14.4/8.14.4) with ESMTP id q262jKQe015175
	(version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO)
	for <freebsd-scsi@freebsd.org>; Mon, 5 Mar 2012 18:45:21 -0800 (PST)
	(envelope-from mj@feral.com)
Message-ID: <4F557A3C.4080100@feral.com>
Date: Mon, 05 Mar 2012 18:45:16 -0800
From: Matthew Jacob <mj@feral.com>
Organization: Feral Software
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64;
	rv:10.0.2) Gecko/20120216 Thunderbird/10.0.2
MIME-Version: 1.0
To: freebsd-scsi@freebsd.org
References: <CAM0tzX1=OrfYK3za9s5xkiUDmnO=maHPbhmyv0k50y=6-WTT9w@mail.gmail.com>
	<20120306001731.GA38229@nargothrond.kdm.org>
In-Reply-To: <20120306001731.GA38229@nargothrond.kdm.org>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7
	(ns1.feral.com [192.67.166.1]);
	Mon, 05 Mar 2012 18:45:21 -0800 (PST)
Subject: Re: [patch] CTL should check condition INQUIRY with invalid LUN
X-BeenThere: freebsd-scsi@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: mj@feral.com
List-Id: SCSI subsystem <freebsd-scsi.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-scsi>,
	<mailto:freebsd-scsi-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-scsi>
List-Post: <mailto:freebsd-scsi@freebsd.org>
List-Help: <mailto:freebsd-scsi-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-scsi>,
	<mailto:freebsd-scsi-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 06 Mar 2012 02:45:27 -0000

On 3/5/2012 4:17 PM, Kenneth D. Merry wrote:
> On Mon, Mar 05, 2012 at 14:46:52 -0800, Chuck Tuffli wrote:
>> Currently, the CTL responds to INQUIRY commands targeted at invalid
>> LUNs by returning valid data with the peripheral qualifier set to LU
>> OFFLINE. This patch instead returns a check condition with LU NOT
>> READY.
>>
>> Linux initiators see the LU OFFLINE and start creating SG devices, but
>> are not able to finish. The offline also causes them to keep probing
>> LUNs.
> Linux used to behave properly.  What version are you testing with?
>
> Returning a check condition is not correct according to the spec.  This is
> from SPC-4 (r31):
>
> \
Ken (and t10) is right
> Since CTL can support a LUN at the requested address, but there isn't one
> there, it returns OFFLINE status.
>
> They should be issuing a REPORT LUNs and then probe the LUNs that are
> returned...
>
>
"They"... would that be FreeBSD which is timid to the point of frigidity 
on this topic?