[Nut-upsuser] NUT-2.0.3 - problems on setting values

[Arnaud Quette]

[completing a missing sentence...]

2007/2/2, Arnaud Quette <aquette.dev at gmail.com>:
> [added back the list as cc]
>
> 2007/2/2, Andreas Rust <rust at busche.de>:
> >
> > Arnaud Quette wrote:
> >
> > > btw, prefer to use, if possible, the latest nut release (2.0.5 currently)
> >
> > Would like to, but didn't feel like building an RPM and would like to
> > stick to it for easier maintenance - especially since the UPS is
> > physically inaccessible for me most of the time.
> >
> > >> How would the parameters have to be set up to shutdown outlet.1 or 2
> > >> automatically when reaching 20% battery charge then?
> > >>
> > >> Something on .switch and .switchable?
> > >
> > > this is what you seem to have already done, ie setting
> > > outlet.X.autoswitch.charge.low=20
> > >
> > > no need to set the timer (*.delay.*)
> > >
> > > note that the outlet will directly cut the power, so you need to
> > > ensure that the things protected by this outlet are cleanly stopped
> > > before (ie calling a hook to stop a computer, ...)
> >
> > It's ok for the outlet to just cut off the power - but it didn't work on
> > a test. We had set 90 for battery.charge.low and 80 for
> > outlet.1.autoswitch.charge.low for a quick test, but outlet.1 never
> > turned off. When we manually restored power the UPS was down to less
> > than 70% battery charge.
>
> it work in the opposite way: set the outlet.1 to 90 and battery.charge.low to 80
>
> if you really need the pc to shutdown first, and another appliance
> next, then you have to:
> - plug the pc into outlet.1, and set outlet.1.autoswitch.charge.low to ie 90
> - plug the other appliance into outlet.2, and set
> outlet.1.autoswitch.charge.low to ie 80
>
> But in this case, only the outlets will be stopped since the master pc
> will be off and not able to send the shutoff (UPS shutdown) order.
>
> another way would be to use the config param offdelay with a
> sufficient value to switch the UPS off after the outlet.2 is off (ie
> between 90 % and 80, you have 5 minutes, so you can set offdelay to
> 320 (5 mn * 60 sec + 20 sec more)
> The offdelay timer start at the end of the pc shutdown...

be sure to read the mge-shut manpage, for more information and
suitable value settings (ie modifying offdelay also implies to modify
ondelay...)

Arnaud
-- 
Linux / Unix Expert - MGE UPS SYSTEMS - R&D Dpt
Network UPS Tools (NUT) Project Leader - http://www.networkupstools.org/
Debian Developer - http://people.debian.org/~aquette/
OpenSource Developer - http://arnaud.quette.free.fr/