[Nut-upsuser] NUT and Eaton UPS produce a lot of error messages

Fri Jan 19 15:33:23 GMT 2024

On 19.01.24 16:20, Stefan Schumacher via Nut-upsuser wrote:
>This morning at 9:50 the server stopped working unexpectedly - I was
>still sleeping until 10:00, so no user intervention took place.
>
>Jan 19 05:50:17 mars nut-server[1303]: mainloop: Interrupted system call
>Jan 19 05:50:17 mars nut-server[1303]: Signal 15: exiting
>Jan 19 05:50:17 mars nut-server[1303]: Network UPS Tools upsd 2.8.0
>Jan 19 05:50:17 mars systemd[1]: Stopping nut-server.service - Network
>UPS Tools - power devices information server...
>Jan 19 05:50:17 mars upsd[1303]: mainloop: Interrupted system call
>Jan 19 05:50:17 mars upsd[1303]: Signal 15: exiting
>Jan 19 05:50:17 mars systemd[1]: nut-server.service: Deactivated successfully.
>Jan 19 05:50:17 mars systemd[1]: Stopped nut-server.service - Network
>UPS Tools - power devices information server.
>
>I am considering returning the device to the online shop I bought. As
>it is, it's nothing but trouble. Can you recommend a small UPS (1
>Server) that is guaranteed to work flawlessly with NUT?

perhaps Eaton Ellipse would be fine.

The message above does not look like a problem of the UPS.
Was there anything other in the logs, before the message above?

>Am Fr., 19. Jan. 2024 um 10:54 Uhr schrieb Jim Klimov via Nut-upsuser
><nut-upsuser at alioth-lists.debian.net>:
>>
>> With recent NUT releases, driver disconnections should be contained in its own `nut-driver at eaton` instance (the `@upsname` part is derived from the `ups.conf` section name). One of the drivers failing and restarting is not a proper cause for the data server to recycle.
>>
>> Also, nowadays some (maybe not all) USB-capable drivers should try to reconnect without restarting. Note however, that in some NUT iterations it is possible that this feature misfires if the devices get re-enumerated and the driver tries to reuse results of original libusb discovery (e.g. some kernels add +1 to "device" number upon each reconnection, such as due to USB chip/hub reset, EMI causing protocol reset, or a device going to sleep and yanked back to work).
>>
>> In fact, recent work on master branch got `nut-scanner` to not suggest the `device` option by default to avoid such situations.
>>
>> Jim
>>
>>
>> On Fri, Jan 19, 2024 at 9:36 AM Matus UHLAR - fantomas <uhlar at fantomas.sk> wrote:
>>>
>>> On 19.01.24 09:00, Jim Klimov via Nut-upsuser wrote:
>>> >Well, from your logs it seems that at 05:17:03 your nut-server (upsd)
>>> >restarted, so an upsmon reconnection attempt at 05:17:09 had an issue with
>>> >that (config not all applied? strange a bit) but since 05:17:14 it is okay.
>>> >
>>> >Maybe a few too many banners shown from upsmon, while its same uptime seems
>>> >to continue. Maybe someone should check on that, seems like a good and easy
>>> >newcomer issue to learn the code, so PRs are welcome :D
>>> >
>>> >Messages about lack of "*.pid" files are okay, they should look less scary
>>> >in newer releases of NUT. They confirm that there is no previous daemon
>>> >with the same basic configuration currently running, so that your new
>>> >instance might conflict with it or send it some signals intentionally - so
>>> >it is just a new start in a clean environment with no competitors.
>>> >
>>> >It is a bit unfortunate that both syslog (upsd) and stderr (nut-server)
>>> >messages land into the same systemd journal. It may be possible to add
>>> >auto-detection of systemd and not-emit one of those streams then, or add an
>>> >option for that to be quieter and better readable (some people can have a
>>> >separate syslog setup anyway, maybe on a remote "sink" system, so just
>>> >cutting one off always is not right).
>>> >
>>> >So one question that remains is the missing lines from previous lifetime in
>>> >the short excerpt of upsd: why did it restart at that time? :)
>>>
>>> I also have Eaton UPS, just different model. It sometimes disconnects and
>>> nut has to connect again. I guess this is what happened.
>>>
>>> I assume the disonnect message is not visible in "Systemctl status" message
>>> because it does not belong to the current process but previous one.
>>> Looking for syslog (/var/log/messages) or journal messages (journalctl) could
>>> show that. I guess nothing bad happened there.
>>>
>>> >On Fri, Jan 19, 2024 at 6:13 AM Stefan Schumacher via Nut-upsuser <
>>> >nut-upsuser at alioth-lists.debian.net> wrote:
>>> >> I recently bought a small UPS by Eaton (Ellipse ECO 800) in order to
>>> >> prevent my
>>> >> btrfs-fileserver (running Debian 12 Bookworm 12.4 from shutting down
>>> >> abruptly while writing
>>> >> something important during a power loss. I am using the version
>>> >> 2.8.0.7 provided by Debian.
>>> >> I have found very gooddocumentation on how to set up the UPS and the
>>> >> services on the server
>>> >> connected to it. Unfortunately it's in German
>>> >> (https://techbotch.org/blog/ups-setup/index.html) which is not a
>>> >> problem for me but possibly for others trying to understand my set-up.
>>> >>
>>> >> I will now describe the steps I took and the configuration options I
>>> >> set and then post the errors of nut-monitor and nut server. I hope
>>> >> someone can help fix the underlying problem behind these error
>>> >> messages.
>>> >>
>>> >> lsusb shows the UPS:
>>> >> Bus 001 Device 003: ID 0463:ffff MGE UPS Systems UPS
>>> >>
>>> >> So I made this changes to ups.conf
>>> >> [Eaton]
>>> >> driver = usbhid-ups
>>> >> port = auto
>>> >> vendorid = 0463
>>> >> pollfreq = 30
>>> >>
>>> >> In nut.conf I set mode=standalone.
>>> >>
>>> >> And finally I added these lines to upsd.users:
>>> >> [upsmon]
>>> >> password = XXXX
>>> >> actions = SET
>>> >> instcmds = ALL
>>> >>
>>> >> I did a live test, plugged the cord and waited until the server shut
>>> >> down at 20%. Worked fine.
>>> >> Upsc also works - I can query my UPS for specific parameters or show them
>>> >> all.
>>> >>
>>> >> The problem is the dozens of errors the systemctl status messages
>>> >> show. I bought the UPS to increase reliability and now I don't know if
>>> >> the service is working in case of an emergency. How can I fix this ?
>>> >>
>>> >> ● nut-server.service - Network UPS Tools - power devices information server
>>> >> Loaded: loaded (/lib/systemd/system/nut-server.service; enabled;
>>> >> preset: enabled)
>>> >> Active: active (running) since Fri 2024-01-19 05:17:03 CET; 5s ago
>>> >> Main PID: 1303 (upsd)
>>> >> Tasks: 1 (limit: 38253)
>>> >> Memory: 640.0K
>>> >> CPU: 3ms
>>> >> CGroup: /system.slice/nut-server.service
>>> >> └─1303 /lib/nut/upsd -F
>>> >> Jan 19 05:17:03 servername nut-server[1303]: fopen /run/nut/upsd.pid:
>>> >> No such file or directory
>>> >> Jan 19 05:17:03 servername nut-server[1303]: Could not find PID file
>>> >> '/run/nut/upsd.pid' to see if previous upsd instance is already
>>> >> running!
>>> >> Jan 19 05:17:03 servername nut-server[1303]: listening on 127.0.0.1 port
>>> >> 3493
>>> >> Jan 19 05:17:03 servername nut-server[1303]: listening on ::1 port 3493
>>> >> Jan 19 05:17:03 servername upsd[1303]: listening on 127.0.0.1 port 3493
>>> >> Jan 19 05:17:03 servername upsd[1303]: listening on ::1 port 3493
>>> >> Jan 19 05:17:03 servername nut-server[1303]: Connected to UPS [Eaton]:
>>> >> usbhid-ups-Eaton
>>> >> Jan 19 05:17:03 servername upsd[1303]: Connected to UPS [Eaton]:
>>> >> usbhid-ups-Eaton
>>> >> Jan 19 05:17:03 servername upsd[1303]: Running as foreground process,
>>> >> not saving a PID file
>>> >> Jan 19 05:17:03 servername nut-server[1303]: Running as foreground
>>> >> process, not saving a PID file
>>> >>
>>> >> ● nut-monitor.service - Network UPS Tools - power device monitor and
>>> >> shutdown controller
>>> >> Loaded: loaded (/lib/systemd/system/nut-monitor.service; enabled;
>>> >> preset: enabled)
>>> >> Active: active (running) since Fri 2024-01-19 03:37:28 CET; 1h 41min ago
>>> >> Main PID: 847 (upsmon)
>>> >> Tasks: 2 (limit: 38253)
>>> >> Memory: 3.4M
>>> >> CPU: 338ms
>>> >> CGroup: /system.slice/nut-monitor.service
>>> >> ├─847 /lib/nut/upsmon -F
>>> >> └─849 /lib/nut/upsmon -F
>>> >> Jan 19 03:43:08 servername nut-monitor[849]: UPS Eaton at localhost on
>>> >> battery
>>> >> Jan 19 03:43:09 servername nut-monitor[916]: Network UPS Tools upsmon 2.8.0
>>> >> Jan 19 03:43:33 servername nut-monitor[849]: UPS Eaton at localhost on line
>>> >> power
>>> >> Jan 19 03:43:34 servername nut-monitor[920]: Network UPS Tools upsmon 2.8.0
>>> >> Jan 19 05:17:04 servername nut-monitor[849]: Poll UPS
>>> >> [Eaton at localhost] failed - Write error: Broken pipe
>>> >> Jan 19 05:17:04 servername nut-monitor[849]: Communications with UPS
>>> >> Eaton at localhost lost
>>> >> Jan 19 05:17:04 servername nut-monitor[1305]: Network UPS Tools upsmon
>>> >> 2.8.0
>>> >> Jan 19 05:17:09 servername nut-monitor[849]: Login on UPS
>>> >> [Eaton at localhost] failed - got [ERR ACCESS-DENIED]
>>> >> Jan 19 05:17:14 servername nut-monitor[849]: Communications with UPS
>>> >> Eaton at localhost established
>>> >> Jan 19 05:17:14 servername nut-monitor[1312]: Network UPS Tools upsmon
>>> >> 2.8.0
>>>
>>>
>>> --
>>> Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
>>> Warning: I wish NOT to receive e-mail advertising to this address.
>>> Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu.
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>>>
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-- 
Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
Warning: I wish NOT to receive e-mail advertising to this address.
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