From owner-freebsd-questions@FreeBSD.ORG Mon Mar 13 20:46:09 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3A90816A41F for ; Mon, 13 Mar 2006 20:46:09 +0000 (UTC) (envelope-from glenn@antimatter.net) Received: from cobalt.antimatter.net (cobalt.antimatter.net [69.55.224.239]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8D09343D72 for ; Mon, 13 Mar 2006 20:46:05 +0000 (GMT) (envelope-from glenn@antimatter.net) Received: from foo.antimatter.net (cpe-72-132-244-217.san.res.rr.com [72.132.244.217]) (authenticated bits=0) by cobalt.antimatter.net (8.13.4/8.13.4) with ESMTP id k2DLFE54023905 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 13 Mar 2006 13:15:15 -0800 X-MailKey: purple frogs are falling from the sky Message-Id: <7.0.1.0.2.20060313124113.068a2d00@antimatter.net> X-Mailer: QUALCOMM Windows Eudora Version 7.0.1.0 Date: Mon, 13 Mar 2006 12:44:40 -0800 To: Jerry McAllister , m.oe@x-trader.de (Markus Oestreicher) From: Glenn Dawson In-Reply-To: <200603132027.k2DKRTA4020286@clunix.cl.msu.edu> References: <44154F3A.2050603@x-trader.de> <200603132027.k2DKRTA4020286@clunix.cl.msu.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Cc: freebsd-questions@freebsd.org Subject: Re: Adding partition X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Mar 2006 20:46:09 -0000 At 12:27 PM 3/13/2006, Jerry McAllister wrote: > > > > Good Day, > > > > There is free space at the end of my disk and I want to move > > /usr/ports do a dedicated partition. > > > > # disklabel /dev/ad10s1 > > # /dev/ad10s1: > > 8 partitions: > > # size offset fstype [fsize bsize bps/cpg] > > a: 1024000 0 4.2BSD 2048 16384 64008 > > b: 2252800 44032000 swap > > c: 368627427 0 unused 0 0 # "raw" > > d: 2048000 1024000 4.2BSD 2048 16384 28552 > > e: 20480000 3072000 4.2BSD 2048 16384 28552 > > f: 20480000 23552000 4.2BSD 2048 16384 28552 > > > > I want to add a g partition with 10 GByte to end. > > > > When I enter "disklabel -e /dev/ad10s1" vi opens and I add > > the following line to the end: > > > > g: 20480000 44032000 4.2BSD 2048 16384 28552 > > > > Upon saving I get an error that partitions "c" and "g" overlap. > > As far as I have read this is on purpose. How can I avoid the > > error message? > >I don't know why it would say that c and g overlap, but you have >forgot to include the space used for swap in the offset. >Your offset should really be 46284800. > >I have heard that some people think you should put your swap at the >highest address, but I don't think that applies in any significant >way to modern drives. I could be wrong on that, though. On some current drives, I've seen differences in sustained throughput of up to 2 to 1 when comparing the beginning of the disk and the end of the disk. The beginning of the disk being faster. -Glenn >Anyway, using the partition labels out of order does lead to confusion >and errors in calculations - in my experience. > >By the way, did you notice that you can use '*' in the offset field and >bsdlabel (or disklabel since 4.xx) will calculate it for you. You can >even put a '*' in the last partition (highest address) size AND offset >fields and bsdlabel will calculate it for you. > >I also wonder at your keeping such a large chunk of the FreeBSD slice >unallocated that way. Now, if you had reduced the slice, I would think >you were saving it for another OS. But it is already in FreeBSD space >so just put it all in g: But, to each their own. > >////jerry > > > > > I tried it via sysinstall but didn't work either. When saving > > the new disklabels I get "Unable to write data to disk ad10". > > I assume that is because ad10 is currently mounted? > > > > Thank you! > > > > Markus > > > > > > _______________________________________________ > > freebsd-questions@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org" > > > >_______________________________________________ >freebsd-questions@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-questions >To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"