Date: Fri, 30 Mar 2007 11:08:08 -0400 From: Jerry McAllister <jerrymc@msu.edu> To: Antony Mawer <fbsd-questions@mawer.org> Cc: Jerry McAllister <jerrymc@msu.edu>, Kris Kennaway <kris@obsecurity.org>, freebsd-questions@freebsd.org, "Marc G. Fournier" <freebsd@hub.org> Subject: Re: Why is 'disklabel'ng a new drive so difficult? Message-ID: <20070330150808.GA59175@gizmo.acns.msu.edu> In-Reply-To: <460C5214.4020402@mawer.org> References: <C0012B02FE5D8BE2EC25FE05@ganymede.hub.org> <20070328204126.GA27217@xor.obsecurity.org> <460C389B.7060703@mawer.org> <20070329232207.GA56299@gizmo.acns.msu.edu> <460C5214.4020402@mawer.org>
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On Fri, Mar 30, 2007 at 09:56:04AM +1000, Antony Mawer wrote: > On 30/03/2007 9:22 AM, Jerry McAllister wrote: > >On Fri, Mar 30, 2007 at 08:07:23AM +1000, Antony Mawer wrote: > ... > >>Is it important to use 16 as the offset still, or is this a historical > >>piece of information that is no longer relevant? Or is this is a bug in > >>disklabel that should be fixed? > > > >As I indicated in another post in this thread, it appears to > >be vestigial. I have never used it for a bsdlabel(disklabel) > >being done on a slice - since 1998. > > I just went back and re-read your other messages in the thread. I must > have glossed over that part of them - my apologies! I too looked at my > sysinstall-created labels, and they were all at offset of 0. > > I actually started writing my own partitioning/labelling tool based on > libdisk, as part of a custom install CD I was building, but discovered > that it did not support non-disk devices (eg. gmirror)... I started > looking at trying to hack support into libdisk to do so (and made some > success), but in the end decided that it was probably a task better > suited for someone that knows libdisk better than I... Interesting. I have never monkeyed with that. Maybe I should. I might learn something. ////jerry > > As a result I went back to looking at fdisk/bsdlabel to see what I could > do using them instead... >
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