From owner-cvs-src@FreeBSD.ORG Tue Aug 17 13:27:42 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 700EE16A4CE; Tue, 17 Aug 2004 13:27:42 +0000 (GMT) Received: from smtp-vbr7.xs4all.nl (smtp-vbr7.xs4all.nl [194.109.24.27]) by mx1.FreeBSD.org (Postfix) with ESMTP id D15DB43D5F; Tue, 17 Aug 2004 13:27:41 +0000 (GMT) (envelope-from wb@freebie.xs4all.nl) Received: from freebie.xs4all.nl (freebie.xs4all.nl [213.84.32.253]) by smtp-vbr7.xs4all.nl (8.12.11/8.12.11) with ESMTP id i7HDReih036516; Tue, 17 Aug 2004 15:27:40 +0200 (CEST) (envelope-from wb@freebie.xs4all.nl) Received: from freebie.xs4all.nl (localhost [127.0.0.1]) by freebie.xs4all.nl (8.12.11/8.12.9) with ESMTP id i7HDRe1j032182; Tue, 17 Aug 2004 15:27:40 +0200 (CEST) (envelope-from wb@freebie.xs4all.nl) Received: (from wb@localhost) by freebie.xs4all.nl (8.12.11/8.12.11/Submit) id i7HDReEd032181; Tue, 17 Aug 2004 15:27:40 +0200 (CEST) (envelope-from wb) Date: Tue, 17 Aug 2004 15:27:40 +0200 From: Wilko Bulte To: "Greg 'groggy' Lehey" Message-ID: <20040817132740.GA32139@freebie.xs4all.nl> References: <200408161043.i7GAhfXs079045@repoman.freebsd.org> <20040817004407.GA81257@wantadilla.lemis.com> <20040817074633.GO30151@darkness.comp.waw.pl> <20040817112900.GA31635@freebie.xs4all.nl> <20040817124020.GK88156@wantadilla.lemis.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040817124020.GK88156@wantadilla.lemis.com> User-Agent: Mutt/1.4.1i X-OS: FreeBSD 4.10-STABLE X-PGP: finger wilko@freebsd.org X-Virus-Scanned: by XS4ALL Virus Scanner cc: cvs-src@FreeBSD.org cc: src-committers@FreeBSD.org cc: Pawel Jakub Dawidek cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src MAINTAINERS 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: Tue, 17 Aug 2004 13:27:42 -0000 On Tue, Aug 17, 2004 at 10:10:20PM +0930, Greg 'groggy' Lehey wrote.. > On Tuesday, 17 August 2004 at 13:29:00 +0200, Wilko Bulte wrote: > > On Tue, Aug 17, 2004 at 09:46:33AM +0200, Pawel Jakub Dawidek wrote.. > >> On Tue, Aug 17, 2004 at 10:14:07AM +0930, Greg 'groggy' Lehey wrote: > >> +> On Monday, 16 August 2004 at 10:43:41 +0000, Pawel Jakub Dawidek wrote: > >> +> > pjd 2004-08-16 10:43:41 UTC > >> +> > > >> +> > FreeBSD src repository > >> +> > > >> +> > Modified files: > >> +> > . MAINTAINERS > >> +> > Log: > >> +> > Add myself as geom_raid3 maintainer. > >> +> > >> +> RAID-3? How are you going to run RAID-3 on a general purpose > >> +> computer? > >> > >> Where is the problem exactly? > > > > I guess Greg wonders about the suitability of RAID-3 for general > > purpose I/O patterns. Nothing else. > > On the contrary. RAID-3 requires byte-level striping, which is > ridiculous on the hardware that FreeBSD supports. I suspect that pjd RAID-3 IIRC uses a dedicated parity disk, and small stripes. I don't think it must be bytelevel striping. Just small enough stripes that all disks contribute to every I/O -- Wilko Bulte wilko@FreeBSD.org