From owner-freebsd-current@FreeBSD.ORG Wed Sep 14 00:24:41 2005 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CB17A16A41F for ; Wed, 14 Sep 2005 00:24:41 +0000 (GMT) (envelope-from cisbjc@cs.unisa.edu.au) Received: from reason.levels.unisa.edu.au (reason.levels.unisa.edu.au [130.220.33.11]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2F3B543D45 for ; Wed, 14 Sep 2005 00:24:40 +0000 (GMT) (envelope-from cisbjc@cs.unisa.edu.au) Received: from [192.168.0.141] (cis220313.levels.unisa.edu.au [130.220.37.202]) by reason.levels.unisa.edu.au (8.12.10/8.12.10) with ESMTP id j8E0OaKu032075 for ; Wed, 14 Sep 2005 09:54:38 +0930 (CST) Message-ID: <43276D91.5000109@cs.unisa.edu.au> Date: Wed, 14 Sep 2005 09:53:45 +0930 From: Benjamin Close User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050627) X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-current@freebsd.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: State Of Raid 5 in RELENG_6 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Sep 2005 00:24:41 -0000 Hi All, With FreeBSD 6 getting closer, I was curious about what was happening with raid 5 support on ata-raid. At present, raid 5 arrays are detected and can be used, though looking at the code, there is no support for parity. Hence running raid 5 is effectively running raid 0. If this is likely to be the case when 6 is shipped, there should at least be a warning regarding this at boot time. Cheers, Benjamin -- 3D Research Associate / System Administrator +61 8 8302 3669 School of Computer and Information Science Room D1-07, ML Campus University of South Australia Mawson Lakes Blvd. Benjamin.Close@cs.unisa.edu.au South Australia, 5095 F00D C83D 5F7E 5561 DF91 B74D E602 CAA3 4842 B5B4