From owner-freebsd-stable@FreeBSD.ORG Fri Mar 9 22:13:09 2007 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 9EE4416A408 for ; Fri, 9 Mar 2007 22:13:09 +0000 (UTC) (envelope-from joao.barros@gmail.com) Received: from nf-out-0910.google.com (nf-out-0910.google.com [64.233.182.191]) by mx1.freebsd.org (Postfix) with ESMTP id 0E4AF13C494 for ; Fri, 9 Mar 2007 22:13:08 +0000 (UTC) (envelope-from joao.barros@gmail.com) Received: by nf-out-0910.google.com with SMTP id k27so1155549nfc for ; Fri, 09 Mar 2007 14:13:08 -0800 (PST) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=txccWfctvXj6FedddyXegbt6+HI/ee0ICtnLLqFwphaKKinXODbnC1jt9WYIryr/fVlPb120xSjB88EvNb28GY9pAIrZuf5lMXhcZiWyuqbraZFgOCgK6U6g/OWJ4DYF0Ja4e5U0J+qXLtE9vAMmF4OEZXX5DzS4WbKCJ4yi47k= 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=KvP4+VomIcFUewMtDLfxgeQJg528aHHhEPtDvGK73rmfT4IU9VQl9I7+Y1q69nKvrD/MX7ailyzxLr+HQQYUL4WwWmhZlrlbnTCXEh5zXhzatkGJBPYQg7ahXFjBFljlvF128elzfa4up+H/17p4ila7MppWwnx11YngEAa1B4k= Received: by 10.78.204.20 with SMTP id b20mr292776hug.1173478387819; Fri, 09 Mar 2007 14:13:07 -0800 (PST) Received: by 10.78.15.2 with HTTP; Fri, 9 Mar 2007 14:13:07 -0800 (PST) Message-ID: <70e8236f0703091413o473db67fr451e3be49c44b025@mail.gmail.com> Date: Fri, 9 Mar 2007 22:13:07 +0000 From: "Joao Barros" To: "Ivan Voras" In-Reply-To: <45F1C77C.8010103@fer.hr> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <45F18183.7050405@FreeBSD.org> <45F182F2.10604@fer.hr> <70e8236f0703091240q65d45300u836121454d799c64@mail.gmail.com> <45F1C77C.8010103@fer.hr> Cc: freebsd-current@freebsd.org, freebsd-stable@freebsd.org, Matt Jacob Subject: Re: MFC request: QLogic 24xx FibreChannel controller X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Mar 2007 22:13:09 -0000 On 3/9/07, Ivan Voras wrote: > Joao Barros wrote: > > On 3/9/07, Ivan Voras wrote: > >> I'm not familiar with this hardware, but I'm curious why I see the one > >> test drive I assigned to it twice. I seem to recall reading somewhere a > >> discussion for Linux in which it's been mentioned that one of these > >> should be a read-write and another "read-only" device, but is this > >> correct? I can write to both drives. > > > > I'd say because you have a multipath setup, the driver being the exception. > > I guess the in house isp guru Matt Jacob can give you a better > > explanation ;) > > I don't think it's because of multipath (as far as I understand it) > because both disks are atached to isp0: > > da1 at isp0 bus 0 target 0 lun 0 > da2 at isp0 bus 0 target 1 lun 0 > > There are two FC switches, but AFAIK a multipath setup would have, for > example one disk coming from isp0 and the other from isp1, as isp0 and > isp1 are connected to two switches... > > It's entirely possible that something's ill defined in the FC management > console (I din't do it - it's another guy's responsibility :) ) You're right, I missed that detail :) You can always ask the "responsible" guy what he did, but right now I'd say you have a freebie ;) -- Joao Barros