Date: Wed, 1 Aug 2001 09:08:29 +1200 From: Joerg Micheel <joerg@cs.waikato.ac.nz> To: Mike Smith <msmith@freebsd.org> Cc: "Jose M. Alcaide" <jose@we.lc.ehu.es>, hardware@freebsd.org Subject: Re: 3ware Escalade 7xxx supported? Message-ID: <20010801090829.B17381@cs.waikato.ac.nz> In-Reply-To: <200107310755.f6V7thd01635@mass.dis.org>; from msmith@freebsd.org on Tue, Jul 31, 2001 at 12:55:43AM -0700 References: <3B6597A3.2EDC3A9C@we.lc.ehu.es> <200107310755.f6V7thd01635@mass.dis.org>
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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: <joerg@cs.waikato.ac.nz> WAND and NLANR MOAT Email: <joerg@nlanr.net> 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
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