From owner-cvs-src@FreeBSD.ORG Fri Sep 17 14:54:09 2004 Return-Path: <owner-cvs-src@FreeBSD.ORG> 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 1BBC316A4CE; Fri, 17 Sep 2004 14:54:09 +0000 (GMT) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.FreeBSD.org (Postfix) with ESMTP id 938C543D39; Fri, 17 Sep 2004 14:54:08 +0000 (GMT) (envelope-from scottl@samsco.org) Received: from [192.168.254.11] (junior-wifi.samsco.home [192.168.254.11]) (authenticated bits=0) by pooker.samsco.org (8.12.11/8.12.10) with ESMTP id i8HErdID012448; Fri, 17 Sep 2004 08:53:39 -0600 (MDT) (envelope-from scottl@samsco.org) Message-ID: <414AFA45.60508@samsco.org> Date: Fri, 17 Sep 2004 08:52:53 -0600 From: Scott Long <scottl@samsco.org> User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.2) Gecko/20040831 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Ceri Davies <ceri@submonkey.net> References: <200409162132.i8GLWDpF050910@repoman.freebsd.org> <20040916213937.GF30151@darkness.comp.waw.pl> <20040916214602.GG30151@darkness.comp.waw.pl> <20040916220959.GA45451@gothmog.gr> <20040916224536.GI30151@darkness.comp.waw.pl> <20040917143400.GT1538@submonkey.net> <414AF776.2020708@samsco.org> <20040917144917.GU1538@submonkey.net> In-Reply-To: <20040917144917.GU1538@submonkey.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, hits=0.0 required=3.8 tests=none autolearn=no version=2.63 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on pooker.samsco.org cc: cvs-src@FreeBSD.org cc: src-committers@FreeBSD.org cc: Pawel Jakub Dawidek <pjd@FreeBSD.org> cc: Giorgos Keramidas <keramida@FreeBSD.org> cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/sys mdioctl.h src/sys/dev/md md.csrc/sbin/mdconfig Makefile mdconfig.8 mdconfig.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the src tree <cvs-src.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src>, <mailto:cvs-src-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/cvs-src> List-Post: <mailto:cvs-src@freebsd.org> List-Help: <mailto:cvs-src-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/cvs-src>, <mailto:cvs-src-request@freebsd.org?subject=subscribe> X-List-Received-Date: Fri, 17 Sep 2004 14:54:09 -0000 Ceri Davies wrote: > On Fri, Sep 17, 2004 at 08:40:54AM -0600, Scott Long wrote: > >>Ceri Davies wrote: >> >>>On Fri, Sep 17, 2004 at 12:45:36AM +0200, Pawel Jakub Dawidek wrote: >>> >>> >>>>On Fri, Sep 17, 2004 at 01:09:59AM +0300, Giorgos Keramidas wrote: >>>>+> > +> Filesystem Size Used Avail >>>>Capacity Mounted on >>>>+> > +> [...] >>>>+> > +> /dev/md0 15T 249M 14T >>>>0% /mnt >>>>+> > +> /dev/md1 11T 128K 10T >>>>0% /mnt2 >>>>+> > >>>>+> > ragepxe:root:~# mdconfig -l -u 0 >>>>+> > md0 swap 15T >>>>+> > ragepxe:root:~# mdconfig -l -u 1 >>>>+> > md1 vnode 11T >>>>+> >>>>+> I think most of us were already jealous enough by seeing the first >>>>post :-P >>>>+> (Thanks for the extra md coolness these commits made possible :-)) >>>> >>>>Jealous about what?:) You know, that you can setup 15TB of md(4) >>>>swap-backed >>>>device on 512MB swap partition, right? >>> >>>What happens if you try to fill them? >> >>The advantage of what Pawel has done is that you can simulate very large >>disks for the purpose of debugging other utlities like sysinstall, >>bsdlabel, fdisk, newfs, growfs, etc. Some of these programs have >>limitations that cannot be changed, but they can be verified and fixed >>to have sane behaviour. > > > Don't misunderstand me, I'm appreciative of that. My question stemmed > from curiosity alone; I had to either ask or try it out this weekend and > I figured that somebody was sure to know already. > > Ceri No offense taken. See http://www.freebsd.org/projects/bigdisk for more details. Scott