Date: Fri, 29 Jun 2007 22:52:36 -0700 (PDT) From: Arne "Wörner" <arne_woerner@yahoo.com> To: Pawel Jakub Dawidek <pjd@FreeBSD.org> Cc: Harry Newton <hn+freebsd@yewbarrow.net>, freebsd-geom@freebsd.org Subject: Re: gmirror on a slice uncertainty Message-ID: <99891.46426.qm@web30301.mail.mud.yahoo.com> In-Reply-To: <20070629220604.GA28006@garage.freebsd.pl>
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--- Pawel Jakub Dawidek <pjd@FreeBSD.org> wrote:
> On Fri, Jun 29, 2007 at 07:46:33AM -0700, Arne Wörner wrote:
> [...]
> > I wouldnt use a bsdlabel on the gmirror device
>
> Why? It's perfectly safe and useful.
>
Because he wants to use the whole device for his "home" file system...
So he just introduces a 16 sectors offset...
> > I wouldnt share the same last sector for any GEOM entity (disk, slice,
> > partition, device)...
>
> My GEOM classes knows how to deal with it. If configured properly, each
> provider has different size and this is enough for them to find the
> right one. For example ad0s1a is 16 sectors shorter than ad0s1, which i
> 63 sectors shorter than ad0 (when we have one slice covering entire disk
> and one partition covering entire slice).
>
Cool...!
-Arne
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