From owner-freebsd-stable Wed Feb 13 18:17:27 2002 Delivered-To: freebsd-stable@freebsd.org Received: from femail3.sdc1.sfba.home.com (femail3.sdc1.sfba.home.com [24.0.95.83]) by hub.freebsd.org (Postfix) with ESMTP id 73DBD37B400 for ; Wed, 13 Feb 2002 18:17:21 -0800 (PST) Received: from TOOLSHED.earthlink.net ([68.7.117.92]) by femail3.sdc1.sfba.home.com (InterMail vM.4.01.03.20 201-229-121-120-20010223) with ESMTP id <20020214021721.GUVH24708.femail3.sdc1.sfba.home.com@TOOLSHED.earthlink.net> for ; Wed, 13 Feb 2002 18:17:21 -0800 Message-Id: <5.1.0.14.2.20020213181205.021e8f80@mail.earthlink.net> X-Sender: toolshed51@mail.earthlink.net X-Mailer: QUALCOMM Windows Eudora Version 5.1 Date: Wed, 13 Feb 2002 18:17:11 -0800 To: freebsd-stable@freebsd.org From: Russ Subject: Re: Best ATA RAID controller In-Reply-To: <200202140155.g1E1tNF01777@mass.dis.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG At 05:55 PM 2/13/2002 -0800, you wrote: > > I use RAID 5 on an 8 port 3ware card with 7 active 60GB IBM disks. It's > > really slow at a max write speed of about 7MB/s for any block size. I've > > had read speeds at about 16MB/s. The box is a PIII 450 with 512MB RAM > >RAID5 on the 6xxx-family cards will be very slow; it should be >substantially better on the 7xxx's, especially the 7x5x's, which have >hardware checksum acceleration. I use a 3ware 6410, it has hardware accelerated RAID 5. 3 drives as RAID 5 with hot spare and the speed is great. - Russ --- Toolshed Computer Productions - Professional PHP Hosting Hosting - Dedicated Servers - Design - Programming http://www.toolshed51.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message