From owner-freebsd-alpha Sun Jan 2 15:22:59 2000 Delivered-To: freebsd-alpha@freebsd.org Received: from mail.du.gtn.com (mail.du.gtn.com [194.77.9.57]) by hub.freebsd.org (Postfix) with ESMTP id 8FE3F14EFD for ; Sun, 2 Jan 2000 15:22:53 -0800 (PST) (envelope-from ticso@cicely8.cicely.de) Received: from mail.cicely.de (cicely.de [194.231.9.142]) by mail.du.gtn.com (8.9.3/8.9.3) with ESMTP id AAA20273; Mon, 3 Jan 2000 00:22:24 +0100 (MET) Received: from cicely8.cicely.de (cicely8.cicely.de [10.1.2.10]) by mail.cicely.de (8.9.0/8.9.0) with ESMTP id AAA38304; Mon, 3 Jan 2000 00:22:54 +0100 (CET) Received: (from ticso@localhost) by cicely8.cicely.de (8.9.3/8.9.2) id AAA87739; Mon, 3 Jan 2000 00:22:28 +0100 (CET) (envelope-from ticso) Date: Mon, 3 Jan 2000 00:22:27 +0100 From: Bernd Walter To: Franc Grootjen Cc: freebsd-alpha@FreeBSD.ORG Subject: Re: ncr in polling mode?! Message-ID: <20000103002227.A87713@cicely8.cicely.de> References: <386FBEEE.B1F7F0E7@cs.kun.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0pre3i In-Reply-To: <386FBEEE.B1F7F0E7@cs.kun.nl> Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Sun, Jan 02, 2000 at 10:11:10PM +0100, Franc Grootjen wrote: > Hi! > I just tried to run ccd on my AXPpci33 box and striped two 1Gb SCSI > drives. No problems in configuring, but bonnie show _no_ performance > gain at all (it got worse). So my question is: does this ncr driver use > DMA or is it polling all the time? > I really like to know. Please reply to sparky@cs.kun.nl, since I'm not > on the list If your performance got much worse your stripe size is obviously to small. bonnie is using single file transaction so don't expect to be much faster than a single drive with this programm. The ncr driver is running fine - the newer sym driver seems to be slightly better but I asume that your controller is a plain 810 and not an 810A so it is not supported by the sym driver. -- B.Walter COSMO-Project http://www.cosmo-project.de ticso@cicely.de Usergroup info@cosmo-project.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message