Restoring vinum root from dump

[Roger 'Rocky' Vetterberg]

Greg 'groggy' Lehey wrote:
> There's nothing special that you *need* to do for restoring to a Vinum
> volume.  There are, however, things that are important when restoring
> system components.  In particular, if you restore /usr/lib you'll
> replace the C library /usr/lib/libc.so.  It's then possible to crash
> dynamically linked processes (since they no longer have libraries),
> after which you could be left with a mainly unusable system.
> 
> Vinum offers a solution to this problem, as you've noted: detach a
> plex from each volume and restore to it.  Then do some magic in single
> user mode to remove the other plex and attach the one you've just
> restored to.  I'm not quite sure about the best way of doing this.
> I'll think about it, but if anybody else has suggestions for doing
> this with the least chance of shooting yourself in the foot, I'd be
> interested to hear them.
> 
> Greg

I have tried different approaches a few times, but not only did I 
shoot myself in the foot, I blew away everything from the neck down.
If there is a safe way to accomplish this, I would love a 
step-by-step howto or examples from someone that has actually 
accomplished this with a positive result.

--
R