And here I am replying to myself...  Again...  :-/

On Mon, 2010-01-25 at 16:18 -0500, Michael H. Warfield wrote: 
> On Mon, 2010-01-25 at 21:50 +0100, Daniel Lezcano wrote:
> > > apologies for the length, but how is everyone else handling this?
> > > this is the last thing i need to solve before i actually start running
> > > all my services on this setup.
> > >   
> > I was wondering if the kernel shouldn't send a signal to the init's 
> > parent when sys_reboot is called.

> Which still leaves open the question of telling the difference between a
> halt and a reboot.  My trick of using the final runlevel
> in /var/run/utmp ran a foul over a gotcha in the Debian containers that
> they seem to default to mounting tmpfs over /var/run and /var/lock so
> you loose that information.  I had to disable "RAMRUN" and "RAMLOCK"
> in /etc/default/rcS in the debian images to get around that but I'm not
> sure I'm happy doing that.  The alternative examining /var/log/wtmp
> didn't work out as reliable.  OpenVZ has a similar problem and it writes
> a "reboot" file that can be read but that seems inelegant as well.  I
> don't think anything works if someone does a "reboot -f" but I need to
> test that condition yet.

And the answer is...  "But the dog did nothing in the night."
"Exactly."  Neither "halt -f" nor "reboot -f" did a darn thing.  The
containers continue to run as if nothing had happened.  I guess I should
have expected that.

Michael H. Warfield (AI4NB) | (770) 985-6132 |
   /\/\|=mhw=|\/\/          | (678) 463-0932 |
   NIC whois: MHW9          | An optimist believes we live in the best of all
 PGP Key: 0x674627FF        | possible worlds.  A pessimist is sure of it!

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