Nut upsuser - Jan 2014 - Shutdown when both (all) UPS on battery / low battery

Hi,
I have data room with single master nut instance which calling scripts 
to shutdown environment. I have two Delta UPS reachable from network. 
Everything works fine but I need to configure nut to shutdown 
environment when both UPS on battery or low battery. Can you advise me 
how to do that (is it possible?). THX for any help.

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I would like to mention that MINSUPPLIES manipulation doesn't work. My 
nut version is : 2.2.2-4  (RHEL 5)



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On Jan 21, 2014, at 3:16 AM, Rafa? Oleszek wrote:
> I would like to mention that MINSUPPLIES manipulation doesn't work. My
nut version is : 2.2.2-4  (RHEL 5)

What do your configuration files look like? Setting MINSUPPLIES to 2 should
work. You can run upsmon with a debug level of 3 or greater, and it will print
the current and minimum "power value", which is what determines when
to shut down.

Also, if you don't want to wait for both UPSes to drain to the low battery
state, you can set up a pair of dummy-ups drivers. I'm not sure how well
that will work with 2.2.2, but since dummy-ups doesn't require hardware, you
could build a newer version of NUT on another system, and configure it to only
build the dummy-ups driver.

-- 
Charles Lepple
clepple at gmail