From owner-freebsd-geom@FreeBSD.ORG Thu Nov 10 13:48:21 2005 Return-Path: X-Original-To: freebsd-geom@freebsd.org Delivered-To: freebsd-geom@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 331DD16A41F; Thu, 10 Nov 2005 13:48:21 +0000 (GMT) (envelope-from phk@critter.freebsd.dk) Received: from phk.freebsd.dk (phk.freebsd.dk [130.225.244.222]) by mx1.FreeBSD.org (Postfix) with ESMTP id C684143D4C; Thu, 10 Nov 2005 13:48:20 +0000 (GMT) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (unknown [192.168.48.2]) by phk.freebsd.dk (Postfix) with ESMTP id CA3DCBC84; Thu, 10 Nov 2005 13:48:16 +0000 (UTC) To: babkin@users.sf.net From: "Poul-Henning Kamp" In-Reply-To: Your message of "Thu, 10 Nov 2005 07:06:26 CST." <32275093.1131627986609.JavaMail.root@vms170.mailsrvcs.net> Date: Thu, 10 Nov 2005 14:48:15 +0100 Message-ID: <5582.1131630495@critter.freebsd.dk> Sender: phk@critter.freebsd.dk Cc: Danny Howard , freebsd-hackers@freebsd.org, freebsd-geom@freebsd.org Subject: Re: GEOM for multipath? How? X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Nov 2005 13:48:21 -0000 In message <32275093.1131627986609.JavaMail.root@vms170.mailsrvcs.net>, Sergey Babkin writes: >>From: Danny Howard > >>Hey ... yes, I recall there being issues with the QLogic drivers ... I >>wonder if anyone has given the mpt drivers a shot? I was able to speak >>with an engineer at Engenio (now owned by LSI) and she said there were >>some issues with the QLogic dual-port cards that were interesting to >>her, but the LSI dual-port cards behaved differently ... > >QLogic worked fine in multi-path configuration with UnixWare. >I think LSI and Adaptec did too. The only trick is to make sure >that the IRQs of the cards are not shared between the cards or with >any other device. I suspect it is not the card as much as the driver, but I am not sure. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.