From owner-freebsd-scsi Fri Sep 20 12:27:19 1996 Return-Path: owner-freebsd-scsi Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id MAA01948 for freebsd-scsi-outgoing; Fri, 20 Sep 1996 12:27:19 -0700 (PDT) Received: from sunrise.cs.berkeley.edu (root@sunrise.CS.Berkeley.EDU [128.32.38.121]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id MAA01812; Fri, 20 Sep 1996 12:27:07 -0700 (PDT) Received: (from asami@localhost) by sunrise.cs.berkeley.edu (8.7.5/8.6.12) id MAA14507; Fri, 20 Sep 1996 12:24:09 -0700 (PDT) Date: Fri, 20 Sep 1996 12:24:09 -0700 (PDT) Message-Id: <199609201924.MAA14507@sunrise.cs.berkeley.edu> To: freebsd-scsi@freebsd.org CC: freebsd-scsi@freebsd.org, freebsd-current@freebsd.org, freebsd-isp@freebsd.org In-reply-to: (message from Brian Tao on Wed, 18 Sep 1996 18:12:07 -0400 (EDT)) Subject: Re: Streamlogic RAID array benchmarks From: asami@freebsd.org (Satoshi Asami) Sender: owner-freebsd-scsi@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > -------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. Satoshi