Date: Mon, 13 Mar 2006 20:00:19 -0500 (EST) From: Jerry McAllister <jerrymc@clunix.cl.msu.edu> To: glenn@antimatter.net (Glenn Dawson) Cc: Markus Oestreicher <m.oe@x-trader.de>, freebsd-questions@freebsd.org Subject: Re: Adding partition Message-ID: <200603140100.k2E10Jlr021193@clunix.cl.msu.edu> In-Reply-To: <7.0.1.0.2.20060313124113.068a2d00@antimatter.net>
next in thread | previous in thread | raw e-mail | index | archive | help
> > 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 In that case, you probably want root and swap nearest the beginning of the disk. ////jerry > >Anyway, using the partition labels out of order does lead to confusion > >and errors in calculations - in my experience. > > > >////jerry > > > > > Thank you! > > > > > > Markus > > >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200603140100.k2E10Jlr021193>