random shut off - any way to diagnose in logs? My UPS(LOWBATT)? PSU?

[ecx]

Not sure what is at fault. Just seems to randomly shut off. Twice last week. No power outages. 6.9.2, but I've noticed this behaviour even during 6.8.x - leading me to speculate - maybe my server power supply or my UPS. 

My server UPS says:

 

POWER
UPS Load: 17.0 % - 76 Watts
 

UPS status:Online LOWBATT
Battery charge:100.0 Percent
Runtime left:1.4 Minutes
Nominal power:450 Watts

 

It's an old UPS, but I did change the battery in it with a new one last year. Should I be targeting a specific size when shopping UPS? 

 

Nothing obvious in the logs.

[ChatNoir]

Hello @ecx,

To see if the UPS is the issue you could run the server for a time without it. It is not ideal for sure.

 

When you changed your battery, did you reinitialized the firmware ?

On APC UPS you have to run some test on a PC and change the install date from the SW.

 

I suppose that other supplier will probably have similar options.

[ecx]

Huh... no I did not. Didn’t even know the firmware Reset was a thing. I’ll give it a shot. Thanks.

 

I’m reluctant not running unraid on my UPS; my neighbourhood has a bad history of brown outs in the summer. But it is a good suggestion to eliminate my UPS as the culprit.