TrueNAS Scale - UPS not shutting down when on battery

TrueNAS General
1

Hi All,
Since switching from Core to Scale, TrueNAS won’t auto shutdown when mains power goes out and on UPS Battery.
The UPS is Cyber Power PR3000ELCDRT2U with a remote management card RMCARD205
Has anyone else experienced the same issue using a Cyber Power UPS running a remote management card?
The config in TrueNAS is straight forward

ups
ups798×828 46.6 KB

I should add that i have tried connection with USB and serial cables and still no luck.

2

I’m fighting this looong time already :confused: seems like truenas team is not interested to fix this at all. I have APC Back UPS 525 and here’s my long listed thread about this problem:

UPS is not powering off on command - TrueNAS General - TrueNAS Community Forums

3

I believe op’s problem is that his truenas won’t shutdown, not that the ups wont power off…
In the picture @bigbird007 provided the field for shutdown command is empty. Have you tried to provide the shutdown command? Afaik without it truenas doesn’t know it should power off…

4

Hi LarsR, you are correct truenas won’t shutdown. I have tried to enter in a custom shutdown command and still nothing.

5

you could try with

midclt call system.shutdown

which is the api call for shutting down the system

6

Hi LarsR,
I added the command as suggested though it fails to shutdown once UPS is on battery. I do get notifications saying the the UPS is on battery when i disconnect. mains
I then tested the command in terminal to see if it works on its own and it does work.

7

a pretty old guide used

/sbin/shutdown -h

as shutdown command, other then that i’m out of ideas myself :confused:

8

Hi LarsR,
In the past i did try adding /sbin/shutdown -h without luck.
I did test it again thinking maybe future patches may have fixed something, however no luck.