From owner-freebsd-scsi Fri Mar 12 16:12:32 1999 Delivered-To: freebsd-scsi@freebsd.org Received: from panzer.plutotech.com (panzer.plutotech.com [206.168.67.125]) by hub.freebsd.org (Postfix) with ESMTP id B4CA115191 for ; Fri, 12 Mar 1999 16:12:29 -0800 (PST) (envelope-from ken@panzer.plutotech.com) Received: (from ken@localhost) by panzer.plutotech.com (8.9.3/8.8.5) id RAA34805; Fri, 12 Mar 1999 17:10:43 -0700 (MST) From: "Kenneth D. Merry" Message-Id: <199903130010.RAA34805@panzer.plutotech.com> Subject: Re: SCSI disk oddities and Buslogic problems.. In-Reply-To: from Matthew Jacob at "Mar 12, 1999 3:56:56 pm" To: mjacob@feral.com Date: Fri, 12 Mar 1999 17:10:43 -0700 (MST) Cc: cc@137.org, darrylo@sr.hp.com, freebsd-scsi@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL43 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Matthew Jacob wrote... > > > > Well, therein lies the problem. When I disable disconnection on these drives, > > the performance is just as advertised. So, does it mean that the problem > > is likely driver related? > > Only in that #'s of tags && disconnection are not dynamically determined > based upon runtime performance measurement, and Ken will hit me over the > head for saying so... *whap* :) If you can come up with a reliable way to measure that sort of thing, I think it would be worth looking into. I think it is an extremely difficult proposition, though. Ken -- Kenneth Merry ken@plutotech.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message