Roger, thanks a lot, your suggestions will fully solve my problem.
Best regards,
Pavel.
Dne 02. 09. 22 v 15:09 Roger Price napsal(a):
On Fri, 2 Sep 2022, Pavel Hofman wrote:
blazer_usb reports:
ups.model: WPHVT2K0
ups.productid: 5161
Clearly a bug in blazer_usb
If battery.charge.low is not available, perhaps it is possible to get
the same effect by watching the voltage drop to a critical value.
This needs upssched and a custom upssched-cmd script.
I see. IIUC since I basically want to "override" the LOWBATT event,
not to react to it, I will have to periodically parse upsc output and
check for the current battery.voltage level when OB. It means
basically doing all the work ups-monitor actually does, but with a
different threshold (which I do not see how to change in ups-monitor).
Do I assume correctly I cannot force/script ups-monitor to do that for
me since it already has all the parsed data available?
Can I at least call some ups-monitor feature to start the controlled
shutdown on all the NUTS networked clients?
A lot of what you need is in chapter 7 of
https://rogerprice.org/NUT/ConfigExamples.A5.pdf . Ignore all the stuff
about heartbeat and timers. The EXEC on lines 380 and 381 of
upsmon.conf in figure 54 will get you to line 398 in upssched.conf in
figure 56.
At line 398, remove the lines "warning-timer" and "failure-timer", and
add a line such as
AT ONBATT <myups> EXECUTE watch-battery-charge
Change line 425 in upssched-cmd to VOLTAGE=$( upsc $UPS battery.voltage
) You may need to ensure that $VOLTAGE is an integer.
At line 428 in upssched-cmd replace the sections (heart-failure-timer),
(two-minute-warning-timer) and (one-minute-warning-timer) with something
like
(watch-battery-charge)
# Compare the $VOLTAGE with say 48 (Bash insists on integers)
if [[ $VOLTAGE > 48 ]]; then continue;
else MSG="Power failure shutdown: Calling upsmon -c fsd, $CHMSG"
/usr/sbin/upsmon -c fsd
fi ;;
Roger
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