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Hello,<br>
<br>
I'm experiencing a strange early shutdown behavior with the
following system:<br>
<ul>
<li><b><i>OS</i></b>: Slackware Linux 14.2 x86_64<br>
</li>
<li><b><i>NUT</i></b>: 2.7.4 (from my own <a
moz-do-not-send="true"
href="https://sotirov-bg.net/slackpack/pack.cgi?id=4083">package</a>)<br>
</li>
<li><b><i>UPS</i></b>: <a moz-do-not-send="true"
href="powerquality.eaton.com/Products-services/Backup-Power-UPS/Ellipse-PRO.aspx">MGE
Ellipse PRO 1600</a> (bought in September 2017)<br>
</li>
</ul>
<p><b><i>Problem description</i></b>: 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:</p>
<ul>
<li><font face="Courier New, Courier, monospace">/var/log/messages</font>
(only relevant):</li>
</ul>
<p><font face="Courier New, Courier, monospace">Jan 11 11:49:15
sotirov-bg upsmon[2677]: UPS mgeups@localhost on battery<br>
Jan 11 11:49:15 sotirov-bg upssched[29746]: Executing command:
ups-on-battery<br>
Jan 11 11:49:15 sotirov-bg upssched-cmd: Unrecognized command:
ups-on-battery<br>
Jan 11 11:50:20 sotirov-bg upsmon[2677]: UPS mgeups@localhost
battery is low<br>
<font color="#ff0000">Jan 11 11:50:20 sotirov-bg upsd[2672]:
Client <a class="moz-txt-link-abbreviated" href="mailto:monuser@127.0.0.1">monuser@127.0.0.1</a> set FSD on UPS [mgeups]</font><br>
Jan 11 11:50:20 sotirov-bg upsmon[2677]: Auto logout and
shutdown proceeding<br>
Jan 11 11:50:20 sotirov-bg upssched[30461]: Executing command:
ups-low-batt<br>
Jan 11 11:50:20 sotirov-bg upssched-cmd: Unrecognized command:
ups-low-batt<br>
Jan 11 11:50:20 sotirov-bg upssched[30466]: Executing command:
ups-shutdown<br>
Jan 11 11:50:20 sotirov-bg upssched-cmd: Unrecognized command:
ups-shutdown<br>
Jan 11 11:50:25 sotirov-bg shutdown[30471]: shutting down for
system halt<br>
Jan 11 11:50:25 sotirov-bg init: Switching to runlevel: 0</font><br>
</p>
<ul>
<li><tt>/var/log/ups</tt> (snippet of consecutive messages):</li>
</ul>
<p><font face="Courier New, Courier, monospace">20200111 114901 100
221.0 17 [OL] NA 50.0<br>
20200111 114906 100 221.0 17 [OL] NA 50.0<br>
20200111 114911 100 221.0 17 [OL] NA 50.0<br>
20200111 114916 99 0.0 19 [OB] NA 0.0<br>
20200111 114921 99 0.0 19 [OB] NA 0.0<br>
20200111 114926 99 0.0 19 [OB] NA 0.0<br>
20200111 114931 99 0.0 19 [OB] NA 0.0<br>
20200111 114936 99 0.0 19 [OB] NA 0.0<br>
20200111 114941 99 0.0 19 [OB] NA 0.0<br>
20200111 114946 98 0.0 16 [OB] NA 0.0<br>
20200111 114951 98 0.0 16 [OB] NA 0.0<br>
20200111 114956 98 0.0 16 [OB] NA 0.0<br>
20200111 115001 98 0.0 16 [OB] NA 0.0<br>
20200111 115006 98 0.0 16 [OB] NA 0.0<br>
20200111 115011 98 0.0 16 [OB] NA 0.0<br>
20200111 115016 98 0.0 16 [OB] NA 0.0<br>
<font color="#ff0000">20200111 115021 96 0.0 18 [FSD ALARM OB
LB] NA 0.0</font><br>
20200111 115026 96 0.0 18 [FSD ALARM OB LB] NA 0.0<br>
20200111 115031 96 0.0 18 [FSD ALARM OB LB] NA 0.0<br>
20200111 115036 96 0.0 18 [FSD ALARM OB LB] NA 0.0<br>
20200111 115041 96 0.0 18 [FSD ALARM OB LB] NA 0.0<br>
20200111 115044 96 0.0 18 [FSD ALARM OB LB] NA 0.0<br>
20200111 120209 NA NA NA [WAIT] NA NA<br>
20200111 120214 84 217.0 16 [OL] NA 50.0<br>
20200111 120219 84 217.0 16 [OL] NA 50.0<br>
20200111 120224 84 217.0 16 [OL] NA 50.0</font><br>
</p>
<p align="justify">What bugs me is that for just over a minute on
battery power the status changes to FSD ALARM OB LB (see in <font
color="#ff0000">red</font> 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.<br>
</p>
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.<br>
<br>
<br>
Best regards,<br>
--<br>
Georgi<br>
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