[Nut-upsuser] MGE pulsar evolution 3000 discharges without nut noticing

[Arjen de Korte]

Aaron J. Grier wrote:

> this FAQ addresses the [OB DISCHRG] condition, which NUT correctly
> recognizes as critical.  I ran into an extended [OL DISCHRG] condition,
> which NUT does not recognize as critical.

Because it isn't. If a UPS is reporting that the line voltage is
present, it can't be critical. See the FAQ. If the UPS is reporting
bogus data, there is nothing we can do about it.

> I believe this to be in error, and a potential bug with NUT.
> 
> would a patch to NUT to recognize the combination of [OB DISCHRG] and
> low battery as critical for this UPS model be accepted?

No, OB+LB is the only thing that can make a UPS critical. Changing this
to OL+LB as well would break many systems where this is a transient
situation after returning from an extended power outage and the
batteries just starting to be charged.

If you want to deal with this yourself, use 'upssched' to trigger a
forced shutdown after the system has been discharging the battery and/or
has seen the low battery indication for 'x' amount of time.

Best regards, Arjen