From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261184AbUL1Naw (ORCPT ); Tue, 28 Dec 2004 08:30:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261194AbUL1Naw (ORCPT ); Tue, 28 Dec 2004 08:30:52 -0500 Received: from p4.ensae.fr ([83.145.66.202]:43130 "EHLO PC809.ensae.fr") by vger.kernel.org with ESMTP id S261184AbUL1Nat (ORCPT ); Tue, 28 Dec 2004 08:30:49 -0500 From: Guillaume =?iso-8859-15?q?Lac=F4te?= Reply-To: Linux@glacote.com To: linux-kernel@vger.kernel.org Subject: Areca ARC-1120 Raid6 card - did they borrow raid6int.uc ? Date: Tue, 28 Dec 2004 14:30:46 +0100 User-Agent: KMail/1.7 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200412281430.46839.Linux@glacote.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Tom's Hardware reviews a RAID6 hardware board: http://www.tomshardware.com/storage/20041227/areca-raid6-01.html#raid_level_6_array_in_detail I have no idea of wether the computation of the P and Q syndromes are standard and well-known or not in the industry. I only know of Peter Anvin's implementation: http://kernel.org/pub/linux/kernel/people/hpa/raid6.pdf My question is: if they are not, since it seems from the picture at Tom's that Areca may have a similar implementation, did they borrow code ?