From owner-freebsd-hackers Wed Sep 25 20:30:31 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E47D637B401 for ; Wed, 25 Sep 2002 20:30:30 -0700 (PDT) Received: from out3.mx.nwbl.wi.voyager.net (out3.mx.nwbl.wi.voyager.net [169.207.3.121]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7A9F743E65 for ; Wed, 25 Sep 2002 20:30:30 -0700 (PDT) (envelope-from silby@silby.com) Received: from pop0.nwbl.wi.voyager.net (pop0.nwbl.wi.voyager.net [169.207.1.115]) by out3.mx.nwbl.wi.voyager.net (Postfix) with ESMTP id B5F6477808; Wed, 25 Sep 2002 22:30:27 -0500 (CDT) Received: from [10.1.1.6] (d34.as6.nwbl0.wi.voyager.net [169.207.128.34]) by pop0.nwbl.wi.voyager.net (8.10.2/8.10.2) with ESMTP id g8Q3UQj71372; Wed, 25 Sep 2002 22:30:26 -0500 (CDT) Date: Wed, 25 Sep 2002 22:34:35 -0500 (CDT) From: Mike Silbersack To: Sean Farley Cc: freebsd-hackers@freebsd.org Subject: Re: Slow I/O responsiveness with UDMA133 In-Reply-To: <20020925215927.L384-100000@thor.farley.org> Message-ID: <20020925223241.O5757-100000@patrocles.silby.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Wed, 25 Sep 2002, Sean Farley wrote: > With write cache enabled it does perform better, but I would like the > new computer to at least equal the old system without it enabled. With all due respect, whether that's a reality isn't your choice, it's the drive's choice. :) Does the drive support tagged queueing? That should give you the benefits of write caching with a little bit more safety. Mike "Silby" Silbersack To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message