Improving halt package interaction...

[Adam Kropelin]

On Wed, Nov 14, 2007 at 02:55:42PM +0100, Miloslav Trmac wrote:
> Jesse Keating napsal(a):
> > Wouldn't you just make sure that the UPS shut down script is
> > scheduled /after/ the database shut down, and all other critical
> > services?  IE make it close to last in the shutdown schedule.
>
> Ideally, the system should be cleanly shut down (e.g. all file systems
> unmounted) before shutting down the UPS.  Guessing how much time it will
> take to unmount all file systems is non-trivial.
> 	Mirek

Exactly. This isn't an area where you want to guess; the risk is just
too high. The whole purpose of monitoring your UPS to enable a clean
system shutdown is out the window if you then power off the UPS with
your mountpoints still r/w.

--Adam