HEADSUP: geom_vinum committed
Robert Watson
rwatson at FreeBSD.org
Sat Jun 12 21:40:21 GMT 2004
On Sat, 12 Jun 2004, Lukas Ertl wrote:
> I've just committed a first geomified version of vinum, surprisingly
> called geom_vinum.
This is great news -- thanks so much for the work you've been doing to
make this happen. I know a lot of FreeBSD users will also be very pleased
to hear about it!
Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
robert at fledge.watson.org Senior Research Scientist, McAfee Research
>
> Please read on before you all go out and run your cvsups, as
> there are some things to note:
>
> *) It's not yet connected to the build, as it is not really finished
> yet, but I wanted to give you something to play around with. Some
> functions of the 'old' vinum aren't implemented yet, some will never
> be, as they aren't needed anymore, or where I don't see a real reason
> to bring them over.
>
> *) As if you wouldn't have guessed: don't use it on important data.
> It probably won't set your box on fire, but you never know.
>
> *) You can use it on your existing vinum setup, as it uses the same
> on-disk configuration format. But don't run both vinum and
> geom_vinum and the same time.
>
> *) You shouldn't need to label any desired slice as type vinum with
> bsdlabel(8) anymore. In theory, you should be able to dedicate a
> whole disk to geom_vinum (i.e. 'drive bigstuff device /dev/ad2').
>
> *) Don't unload the module if you have valid objects in your setup. Due
> to a bug in GEOM this will either panic or deadlock. You can pick up
> a patch at <http://people.freebsd.org/~le/geom_subr.c.diff> and
> rebuild your kernel, then you can safely unload the KLD again.
>
> *) If you want to test it:
>
> cd /sys/modules/geom/geom_vinum
> make && make install
> cd /usr/src/sbin/gvinum
> make && make install
>
> You can then run 'gvinum' (which will load the KLD) and create
> objects like in the 'old' vinum. The volumes will appear as devices
> in /dev/gvinum/.
>
> Bug reports, suggestions, critics and flames are happily awaited, even
> more so when they have patches attached. :-)
>
> Thanks,
> le
>
> --
> Lukas Ertl http://homepage.univie.ac.at/l.ertl/
> le at FreeBSD.org http://people.freebsd.org/~le/
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