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Forum Discussion
RN104 UPS showing up in log file all the time
As stated in the subject line but required again here for unknown reasons: RN104 UPS issue. Ever since I bought a UPS a year ago, I keep getting this in my log file every day: Mon Feb 20 2...
I still haven't heard anything... Any progress please? If not, let me know.
As a workaround (in case my assumptions do not match your setup, please ignore the post):
Currently I understand, that both boxes are connected in two ways. One is supporting power from UPS to NAS, the second is some kind of USB-link making them also talk to each other. The second one I assume is responsible for the alert messages generated in the logs.
So, why not cutting off the communication between the NAS and the UPS at all by removing the usb-link? At least you no longer get your logs swamped. Power support should still be fine, I would assume.
Hi Roland,
Thank you for the suggestion, but while that would stop the messages, it would also stop the UPS safely shutting down the NAS when it's battery gets low. And safe shutdown is the whole reason for having a UPS.
Guys, is there any response yet from looking at the log files?
Bobby.
bobba84 wrote:
it would also stop the UPS safely shutting down the NAS when it's battery gets low. And safe shutdown is the whole reason for having a UPS.
Agreed. FWIW, I think the USB library has been updated recently, and these messages might be a side effect. I've also seen them in some of my systems (RN526 being one).
I think there is in fact some risk that a safe shutdown won't happen because messages are being lost.
Sorry, I have to sort of disagree just for the sake of clarity about purposes of ups devices.
For me the the advantages having a ups are as follows (ranked by priority):
(1) Overcome a power surge of a few seconds (probably not more than 15 to 30)
(2) Manage a short power outage of lets say up to 20 minutes max to keep the nas up and running until true power is restored
Why would one buy a ups to wait for its battery going weak and in that case shut down a device appropriately?
To avoid the weak ups battery scenario, I'm testing my ups (have 2 of them) every quarter to find out whether they can still manage situations (1) and (2). With the slightest suspicion of having a weak battery in one of the ups, I replace it. Fortunately, that happened only once so far.
Last but not least: I would not trust a ups anymore to handle that scenario you are afraid of, in case it is having communication issues with the device it should protect. ...and therefore in your situation you would not loose a lot, but keep your logfiles clean of meaningless messages from your ups.
But don't get me wrong. I don't want to sell you any solution. I just wanted to clarify why I came to the suggestion I made to you.
Thanks for your reply, but please make your own thread if you want to debate about something other than this thread topic. I bought my UPS to handle shutdowns safely when I am not at home. An advertised feature of the UPS and NAS is not working as it should. My house has extended power outages often, and I'm not always home to shut the NAS down.
Admins - is there any progress please???
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