On January 11, 2020 1:18:27 PM GMT+02:00, "Georgi D. Sotirov" <gdsoti...@gmail.com> wrote: >Hello, > >I'm experiencing a strange early shutdown behavior with the following >system: > > * */OS/*: Slackware Linux 14.2 x86_64 > * */NUT/*: 2.7.4 (from my own package > <https://sotirov-bg.net/slackpack/pack.cgi?id=4083>) > * */UPS/*: MGE Ellipse PRO 1600 ><powerquality.eaton.com/Products-services/Backup-Power-UPS/Ellipse-PRO.aspx> > (bought in September 2017) > >*/Problem description/*: An hour ago there was a power outage for about > >3-4 minutes. However, the system was forcefully shut down just after a >minute (!) and I'm not sure I understand why. This is what I found into > >the logs: > > * /var/log/messages (only relevant): > >Jan 11 11:49:15 sotirov-bg upsmon[2677]: UPS mgeups@localhost on >battery >Jan 11 11:49:15 sotirov-bg upssched[29746]: Executing command: >ups-on-battery >Jan 11 11:49:15 sotirov-bg upssched-cmd: Unrecognized command: >ups-on-battery >Jan 11 11:50:20 sotirov-bg upsmon[2677]: UPS mgeups@localhost battery >is low >Jan 11 11:50:20 sotirov-bg upsd[2672]: Client monuser@127.0.0.1 set FSD > >on UPS [mgeups] >Jan 11 11:50:20 sotirov-bg upsmon[2677]: Auto logout and shutdown >proceeding >Jan 11 11:50:20 sotirov-bg upssched[30461]: Executing command: >ups-low-batt >Jan 11 11:50:20 sotirov-bg upssched-cmd: Unrecognized command: >ups-low-batt >Jan 11 11:50:20 sotirov-bg upssched[30466]: Executing command: >ups-shutdown >Jan 11 11:50:20 sotirov-bg upssched-cmd: Unrecognized command: >ups-shutdown >Jan 11 11:50:25 sotirov-bg shutdown[30471]: shutting down for system >halt >Jan 11 11:50:25 sotirov-bg init: Switching to runlevel: 0 > > * /var/log/ups (snippet of consecutive messages): > >20200111 114901 100 221.0 17 [OL] NA 50.0 >20200111 114906 100 221.0 17 [OL] NA 50.0 >20200111 114911 100 221.0 17 [OL] NA 50.0 >20200111 114916 99 0.0 19 [OB] NA 0.0 >20200111 114921 99 0.0 19 [OB] NA 0.0 >20200111 114926 99 0.0 19 [OB] NA 0.0 >20200111 114931 99 0.0 19 [OB] NA 0.0 >20200111 114936 99 0.0 19 [OB] NA 0.0 >20200111 114941 99 0.0 19 [OB] NA 0.0 >20200111 114946 98 0.0 16 [OB] NA 0.0 >20200111 114951 98 0.0 16 [OB] NA 0.0 >20200111 114956 98 0.0 16 [OB] NA 0.0 >20200111 115001 98 0.0 16 [OB] NA 0.0 >20200111 115006 98 0.0 16 [OB] NA 0.0 >20200111 115011 98 0.0 16 [OB] NA 0.0 >20200111 115016 98 0.0 16 [OB] NA 0.0 >20200111 115021 96 0.0 18 [FSD ALARM OB LB] NA 0.0 >20200111 115026 96 0.0 18 [FSD ALARM OB LB] NA 0.0 >20200111 115031 96 0.0 18 [FSD ALARM OB LB] NA 0.0 >20200111 115036 96 0.0 18 [FSD ALARM OB LB] NA 0.0 >20200111 115041 96 0.0 18 [FSD ALARM OB LB] NA 0.0 >20200111 115044 96 0.0 18 [FSD ALARM OB LB] NA 0.0 >20200111 120209 NA NA NA [WAIT] NA NA >20200111 120214 84 217.0 16 [OL] NA 50.0 >20200111 120219 84 217.0 16 [OL] NA 50.0 >20200111 120224 84 217.0 16 [OL] NA 50.0 > >What bugs me is that for just over a minute on battery power the status > >changes to FSD ALARM OB LB (see in red above), while at this moment the > >battery charge is 96 % (!?). After the power was restored the system >didn't come up, so I had to power it up manually. Checking the battery >charge afterwards it was still 85 %, so I'm really not sure why NUT >shutdown the system so early. I have tested the shutdown sequence in >September 2017 after I installed the UPS by manually removing the >online >power and the system was shutdown properly after about 30 minutes. In >several previous occasions I didn't notice such problem and the system >was shutdown after the battery reached the critical charge level of 20% or >managed to discharge the battery until online power restored. > >Any suggestions what could be the problem? What does this "ALARM" in >status mean? I checked older ups monitor logs and I did not find such >status. > > "Jan 11 11:50:20 sotirov-bg upsmon[2677]: UPS mgeups@localhost battery is low" indicates that the UPS thought that battery was close to depleted and decided to shutdown. I suggest to fully retest your battery ( doing a full charge/discharge cycle with a dummy load ), I suspect it is not any more as good as you believe it to be.
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