On 2/2/07, Vladimir I. Umnov <[EMAIL PROTECTED]> wrote:
This means that NUT with upssched set their own timer. I think this is missing 
functionality.
I need UPS monitoring software query my UPSes (APC cannot work with many UPSes 
in native mode,
but can do such query) for current battery level and current estimated run time 
each 5 seconds.
And if it reaches configured value, take appropriate action.

You should consider that many USB UPSes will take longer than 5
seconds to update everything.

Rob is still correct in that you probably want to wait for an "on
battery" signal for the UPS. Then you can poll it with whatever you
want, including upsc in a loop, or your own custom client. The network
protocol is not difficult.

There are only a few good reasons to poll the battery level while the
UPS is online; namely, you did not allow it enough time to recharge
before coming back online after a power failure, the battery is bad,
etc. A good UPS will monitor these things during the self-test.

Also, a lot of the UPSes supported by NUT will allow you to adjust the
battery level at which they send the "low battery" signal. This
automates your scenario somewhat.

--
- Charles Lepple

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