From owner-freebsd-performance@FreeBSD.ORG  Thu Jun 19 05:22:38 2003
Return-Path: <owner-freebsd-performance@FreeBSD.ORG>
Delivered-To: freebsd-performance@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id B10BD37B401
	for <freebsd-performance@freebsd.org>;
	Thu, 19 Jun 2003 05:22:38 -0700 (PDT)
Received: from silver.he.iki.fi (silver.he.iki.fi [193.64.42.241])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 612D443FCB
	for <freebsd-performance@freebsd.org>;
	Thu, 19 Jun 2003 05:22:37 -0700 (PDT)	(envelope-from pete@he.iki.fi)
Received: from PETEX31 (h81.vuokselantie10.fi [193.64.42.129])
	by silver.he.iki.fi (8.12.9/8.11.4) with SMTP id h5JCMYcO020830;
	Thu, 19 Jun 2003 15:22:34 +0300 (EEST)
	(envelope-from pete@he.iki.fi)
Message-ID: <05c601c3365d$74938830$812a40c1@PETEX31>
From: "Petri Helenius" <pete@he.iki.fi>
To: <s_porotnikov@nojabrsk.ru>, <freebsd-performance@freebsd.org>
References: <741132145421.20030619172208@nojabrsk.ru>
Date: Thu, 19 Jun 2003 15:22:30 +0300
MIME-Version: 1.0
Content-Type: text/plain;
	charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2800.1158
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165
Subject: Re: freebsd-performance Digest, Vol 4, Issue 9
X-BeenThere: freebsd-performance@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Performance/tuning <freebsd-performance.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-performance>,
	<mailto:freebsd-performance-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-performance>
List-Post: <mailto:freebsd-performance@freebsd.org>
List-Help: <mailto:freebsd-performance-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-performance>,
	<mailto:freebsd-performance-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 19 Jun 2003 12:22:39 -0000


RAID0 is not really RAID since it does not provide any redundancy.

Pete

----- Original Message ----- 
From: <s_porotnikov@nojabrsk.ru>
To: <freebsd-performance@freebsd.org>
Sent: Thursday, June 19, 2003 2:22 PM
Subject: freebsd-performance Digest, Vol 4, Issue 9


> I tested software RAID 0 via VINUM on FreeBSD 5.1 three hard drive IBM
> Ultrastor IC35L073VCD210 connected to onboard Adaptec dual chanel AIC-7899W
> based controller (64 bit 66MHz PCI), and compared them to Adaptec 2100 RAID
> controller (32 bit 33MHz PCI). The performance hardware RAID is appeared
> on 15 % less than VINUM. CPU usage is same.
> Test utils are rawio and dd with many fork process (8).
> The CPU are Xeon 2.4 GHz, SuperMicro MB P4DP6Q with Intel E7500 Chipset.
> 
> 
>                          mailto:s_porotnikov@nojabrsk.ru
> 
> _______________________________________________
> freebsd-performance@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-performance
> To unsubscribe, send any mail to "freebsd-performance-unsubscribe@freebsd.org"
>