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Forum Discussion
Solved
Problems with UPS
My ReadyNAS is supported by a relatively small, older UPS (CyberPower CP425HGA) connected via USB. I seem to remember seeing that it has enough capacity to run the NAS for 13 minutes. But that is ...
While I do get the occasional false alarms, my Eaton and Cyberpower 1500KVA UPS's do not have the other problem. And here in Florida, I get lots of glitches during summer thunderstorm season (as well as too many full outages).
How much time does the log show between the entries it is on battery and it is shutting down? How does that compare to a test you run where it is off line power for a few minutes? If the time between them is less than the time of the actual outage, then you likely need a new battery in your UPS or something else is wrong with it. The manual test should show you if it's the battery. Maybe it's just the USB cable. AFAIK, once the shutdown process starts, it will not stop even if the power is restored.
Given your situation with a backup generator, I suppose discontinuing UPS monitoring is an option. You should continue (assuming you already are) performing periodic tests of the UPS to see that the batteries remain healthy enough to power the NAS for the desired time.
While I do get the occasional false alarms, my Eaton and Cyberpower 1500KVA UPS's do not have the other problem. And here in Florida, I get lots of glitches during summer thunderstorm season (as well as too many full outages).
How much time does the log show between the entries it is on battery and it is shutting down? How does that compare to a test you run where it is off line power for a few minutes? If the time between them is less than the time of the actual outage, then you likely need a new battery in your UPS or something else is wrong with it. The manual test should show you if it's the battery. Maybe it's just the USB cable. AFAIK, once the shutdown process starts, it will not stop even if the power is restored.
Given your situation with a backup generator, I suppose discontinuing UPS monitoring is an option. You should continue (assuming you already are) performing periodic tests of the UPS to see that the batteries remain healthy enough to power the NAS for the desired time.
Thanks for the response! I guess there isn't a way to tune the UPS monitoring further, so I'll just disconnect the USB cable. As long as it lasts 30 seconds, I'll always be good.
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