Restoring vinum root from dump
tillman at seekingfire.com
Tue Oct 14 16:13:16 PDT 2003
On Tue, Oct 14, 2003 at 10:54:50AM +0930, Greg 'groggy' Lehey wrote:
> 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.
Once you've had a chance to think about it, would you mind posting yours
thoughts someplace public? I think that there's much magic in that
general direction, though the path may need to particularly exact to
avoid stepping on a mine :-)
The envious man thinks that if his neighbor breaks a leg, he will be able
to walk better himself.
- Helmut Schoeck, _Envy: A Theory Of Social Behavior_
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