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To: asami@freebsd.org (Satoshi Asami)
cc: freebsd-scsi@freebsd.org, freebsd-current@freebsd.org,
        freebsd-isp@freebsd.org
Subject: Re: Streamlogic RAID array benchmarks 
In-reply-to: Your message of Fri, 20 Sep 96 12:24:09 -0700.
             <199609201924.MAA14507@sunrise.cs.berkeley.edu> 
Date: Fri, 20 Sep 1996 18:01:51 -0700
From: "Michael L. VanLoon -- HeadCandy.com" <michaelv@MindBender.serv.net>
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>>             -------Sequential Output-------- ---Sequential Input-- --Random--
>>             -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
>>Machine   MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU  /sec %CPU
>>raid     100  1354 25.1  1308  4.5  1056  7.3  3059 55.9  3190 11.5 139.0  5.1
>>single   100  3506 66.8  3429 12.0  1848 12.5  5367 99.1  6462 25.6 202.5  7.1

>Just FYI, we've seen close to 30MB/s with ccd (no mirroring).  You
>need two 2940?W's (or one 3940?W) and at least four disks though.

Just for our edification, what kind of CPU did you use?

Also For Everyones' Information, you won't get close to that on a real
filesystem unless you use a Pentium or better.

-----------------------------------------------------------------------------
  Michael L. VanLoon                           michaelv@MindBender.serv.net
        --<  Free your mind and your machine -- NetBSD free un*x  >--
    NetBSD working ports: 386+PC, Mac 68k, Amiga, Atari 68k, HP300, Sun3,
        Sun4/4c/4m, DEC MIPS, DEC Alpha, PC532, VAX, MVME68k, arm32...
    NetBSD ports in progress: PICA, others...
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