From owner-freebsd-stable Wed Feb 13 17:55:40 2002 Delivered-To: freebsd-stable@freebsd.org Received: from mass.dis.org (adsl-64-173-25-69.dsl.sntc01.pacbell.net [64.173.25.69]) by hub.freebsd.org (Postfix) with ESMTP id 6D09037B402 for ; Wed, 13 Feb 2002 17:55:36 -0800 (PST) Received: from mass.dis.org (localhost [127.0.0.1]) by mass.dis.org (8.11.6/8.11.6) with ESMTP id g1E1tNF01777; Wed, 13 Feb 2002 17:55:23 -0800 (PST) (envelope-from msmith@mass.dis.org) Message-Id: <200202140155.g1E1tNF01777@mass.dis.org> X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4 To: presence Cc: stable@freebsd.org Subject: Re: Best ATA RAID controller In-reply-to: Your message of "Wed, 13 Feb 2002 18:47:34 CST." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 13 Feb 2002 17:55:23 -0800 From: Michael Smith 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 > 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. -- To announce that there must be no criticism of the president, or that we are to stand by the president, right or wrong, is not only unpatriotic and servile, but is morally treasonable to the American public. - Theodore Roosevelt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message