From owner-cvs-src@FreeBSD.ORG Thu Aug 19 07:32:22 2004 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 13D4216A4CE; Thu, 19 Aug 2004 07:32:22 +0000 (GMT) Received: from pd5mo3so.prod.shaw.ca (shawidc-mo1.cg.shawcable.net [24.71.223.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 95A6743D2D; Thu, 19 Aug 2004 07:32:21 +0000 (GMT) (envelope-from colin.percival@wadham.ox.ac.uk) Received: from pd3mr3so.prod.shaw.ca (pd3mr3so-ser.prod.shaw.ca [10.0.141.179])2003)) with ESMTP id <0I2O00FVMN99DY@l-daemon>; Thu, 19 Aug 2004 01:24:45 -0600 (MDT) Received: from pn2ml4so.prod.shaw.ca ([10.0.121.148]) by pd3mr3so.prod.shaw.ca (Sun ONE Messaging Server 6.0 HotFix 1.01 (built Mar 15 2004)) with ESMTP id <0I2O006F6N99HIM0@pd3mr3so.prod.shaw.ca>; Thu, 19 Aug 2004 01:24:45 -0600 (MDT) Received: from piii600.wadham.ox.ac.uk (S0106006067227a4a.vc.shawcable.net [24.87.233.42])2003)) with ESMTP id <0I2O00A49N97YE@l-daemon>; Thu, 19 Aug 2004 01:24:45 -0600 (MDT) Date: Thu, 19 Aug 2004 00:24:41 -0700 From: Colin Percival In-reply-to: <20040819064926.GQ85432@wantadilla.lemis.com> X-Sender: cperciva@popserver.sfu.ca (Unverified) To: Greg 'groggy' Lehey Message-id: <6.1.0.6.1.20040819002149.03e0fd70@popserver.sfu.ca> MIME-version: 1.0 X-Mailer: QUALCOMM Windows Eudora Version 6.1.0.6 Content-type: text/plain; charset=us-ascii References: <20040819062228.GO85432@wantadilla.lemis.com> <11555.1092897238@critter.freebsd.dk> <20040819064926.GQ85432@wantadilla.lemis.com> cc: Scott Long cc: src-committers@FreeBSD.org cc: Pawel Jakub Dawidek cc: cvs-src@FreeBSD.org cc: cvs-all@FreeBSD.org cc: Poul-Henning Kamp cc: Wilko Bulte Subject: Re: RAID-3? X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Aug 2004 07:32:22 -0000 At 23:49 18/08/2004, Greg 'groggy' Lehey wrote: >> Raid5 with two bit ECC (sometimes called raid6) > >I thought RAID-6 was RAID-5 with two identical parity disks. Not so? CA:QA says that RAID 6 is P+Q redundancy (ie, two different parity disks). I'm going to hope that Patterson knows what he's talking about. :-) Colin Percival