From owner-freebsd-hardware Tue Jul 31 14: 8:40 2001 Delivered-To: freebsd-hardware@freebsd.org Received: from taupo.cs.waikato.ac.nz (taupo.cs.waikato.ac.nz [130.217.241.30]) by hub.freebsd.org (Postfix) with ESMTP id 8BE8E37B409; Tue, 31 Jul 2001 14:08:37 -0700 (PDT) (envelope-from joerg@taupo.cs.waikato.ac.nz) Received: (from joerg@localhost) by taupo.cs.waikato.ac.nz (8.11.3/8.11.1) id f6VL8T761736; Wed, 1 Aug 2001 09:08:29 +1200 (NZST) (envelope-from joerg) Date: Wed, 1 Aug 2001 09:08:29 +1200 From: Joerg Micheel To: Mike Smith Cc: "Jose M. Alcaide" , hardware@freebsd.org Subject: Re: 3ware Escalade 7xxx supported? Message-ID: <20010801090829.B17381@cs.waikato.ac.nz> References: <3B6597A3.2EDC3A9C@we.lc.ehu.es> <200107310755.f6V7thd01635@mass.dis.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200107310755.f6V7thd01635@mass.dis.org>; from msmith@freebsd.org on Tue, Jul 31, 2001 at 12:55:43AM -0700 Organization: Dept of Computer Science, University of Waikato, Hamilton, New Zealand Project: WAND, DAG, Passive Measurement and Analysis Operating-System: ... powered by FreeBSD Sender: owner-freebsd-hardware@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Tue, Jul 31, 2001 at 12:55:43AM -0700, Mike Smith wrote: > > I did a simple read performance test (dd if=/dev/twed0 of=/dev/null bs=64k) > > and I got about 55 MB/s. Hey, that's good :-) > > Yes. 8) What do people do if they need 60, 90 or 120 MByte/sec throughput ? I have done some experiments with SCSI and there appears to be a cap around 80 MByte/sec, regardless how many disks or controllers are involved (not a strict FreeBSD problem, only). Joerg -- Joerg B. Micheel Email: WAND and NLANR MOAT Email: The University of Waikato, CompScience Phone: +64 7 8384794 Private Bag 3105 Fax: +64 7 8585095 Hamilton, New Zealand Plan: PMA, TINE and the DAG's To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message