[Nut-upsuser] Shutdown after 5 minutes?

Udo van den Heuvel udovdh at xs4all.nl
Sat Aug 26 15:46:21 UTC 2006


Rob wrote:
>> Did you try switching the two machines?
> 
> On my system, I only have 1 UPS and I have monitored it in windows and
> in Linux.  In windows, the same set of systems will properly wait until
> the designated time to shutdown (>5 minutes).  When I boot into Linux,
> my Linux system performs an abrupt poweroff after about 5 minutes.  

Exactly my observation.
No logs showing a shutdown process.

> In windows, I monitored the power output and saw that the battery
> drained very quickly down to 60%, and then stabilized.  I contacted
> CyberPower about this and they stated that this is a normal discharge
> pattern for SLA batteries.  Does NUT possibly detect the power drain
> rate and perform an action based upon that?  Even if the UPS was sending
> a low power indicator, I can't see why NUT wouldn't do a clean shutdown
> of the system?

NUT should not (just) monitor a rate but (also) the remaining percentage
of UPS charge?



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