From owner-freebsd-hardware@FreeBSD.ORG Tue Feb 3 10:33:34 2004 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3E6E416A4CE for ; Tue, 3 Feb 2004 10:33:34 -0800 (PST) Received: from smtp.web.de (smtp04.web.de [217.72.192.208]) by mx1.FreeBSD.org (Postfix) with ESMTP id 59BC943D46 for ; Tue, 3 Feb 2004 10:33:31 -0800 (PST) (envelope-from Hafenbrack@web.de) Received: from p5084271f.dip0.t-ipconnect.de ([80.132.39.31] helo=web.de) by smtp.web.de with asmtp (TLSv1:RC4-MD5:128) (WEB.DE 4.99 #566) id 1Ao5M6-0002QN-00; Tue, 03 Feb 2004 19:33:02 +0100 Message-ID: <401FE932.9060401@web.de> Date: Tue, 03 Feb 2004 19:32:18 +0100 From: Gerd Klaus Hafenbrack User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.6) Gecko/20040113 X-Accept-Language: en-us, en, de-de, de MIME-Version: 1.0 To: Artem Koutchine References: <002401c3e661$32b27c00$0c00a8c0@artem> In-Reply-To: <002401c3e661$32b27c00$0c00a8c0@artem> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: hafenbrack@web.de cc: freebsd-hardware@freebsd.org Subject: Re: SATA RAID 5 controller for FreeBSD X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Feb 2004 18:33:34 -0000 Artem Koutchine wrote: > I could not find out if RocketRaid is a true hardware RAID 5 or > partly software. Also, no infromation on the size of a cache on 1640. It is NOT true hardware RAID 5! > Af for Escalde 6506 i again did not find any info on Cache size. However, > the specs clearly state that it is a hardware raid5. But if does not have > any significats amount of cache and IF rocketraid is too hardware > raid 5 then why the heck escalade is so much more espansive? Because 3ware Escalade is true hardware RAID 5. It does not have cache as the hard disks and the OS have. There is no need. Gerd Hafenbrack -- () ASCII Ribbon Campaign - against HTML mail /\ - against attachments