From owner-freebsd-geom@FreeBSD.ORG Thu Nov 10 14:01:36 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 06BC116A43E; Thu, 10 Nov 2005 14:01:36 +0000 (GMT) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (arm132.internetdsl.tpnet.pl [83.17.198.132]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5E51843D45; Thu, 10 Nov 2005 14:01:32 +0000 (GMT) (envelope-from pjd@garage.freebsd.pl) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id 4A28551CD1; Thu, 10 Nov 2005 15:01:31 +0100 (CET) Received: from localhost (pjd.wheel.pl [10.0.1.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id 4923550F92; Thu, 10 Nov 2005 15:01:25 +0100 (CET) Date: Thu, 10 Nov 2005 15:01:13 +0100 From: Pawel Jakub Dawidek To: Poul-Henning Kamp Message-ID: <20051110140113.GC29291@garage.freebsd.pl> References: <32275093.1131627986609.JavaMail.root@vms170.mailsrvcs.net> <5582.1131630495@critter.freebsd.dk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="MnLPg7ZWsaic7Fhd" Content-Disposition: inline In-Reply-To: <5582.1131630495@critter.freebsd.dk> X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 7.0-CURRENT i386 User-Agent: mutt-ng/devel-r535 (FreeBSD) X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-5.9 required=3.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.0.4 Cc: Danny Howard , freebsd-geom@freebsd.org, babkin@users.sf.net, freebsd-hackers@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 14:01:36 -0000 --MnLPg7ZWsaic7Fhd Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Nov 10, 2005 at 02:48:15PM +0100, Poul-Henning Kamp wrote: +> In message <32275093.1131627986609.JavaMail.root@vms170.mailsrvcs.net>, = Sergey=20 +> 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=20 +> >that the IRQs of the cards are not shared between the cards or with +> >any other device. +>=20 +> I suspect it is not the card as much as the driver, but I am not sure. I was able to modify the driver in a way multipathing started to work (no more hanging request when path was disconnected). It was hackish, but worked, so I'm quite sure it's driver's fault. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --MnLPg7ZWsaic7Fhd Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDc1KpForvXbEpPzQRAt8ZAKC5L+cJOGO+O/n8roo7b31zDO0mYQCfWebc V8AanVflb0TACzFCwxNBjMM= =wcL/ -----END PGP SIGNATURE----- --MnLPg7ZWsaic7Fhd--