As spoken in IRC, probably caused by the a1-pdu issues (T233248), labsdb1009 has lost its PSU redundancy.
</system1/log1>hpiLO-> show record27 status=0 status_tag=COMMAND COMPLETED Thu Sep 19 04:45:31 2019 /system1/log1/record27 Targets Properties number=27 severity=Caution date=09/18/2019 time=18:02 description=System Power Supply: Input Power Loss or Unplugged Power Cord, Verify Power Supply Input (Power Supply 1) Verbs cd version exit show </system1/log1>hpiLO-> show record28 status=0 status_tag=COMMAND COMPLETED Thu Sep 19 04:45:34 2019 /system1/log1/record28 Targets Properties number=28 severity=Caution date=09/18/2019 time=18:02 description=System Power Supplies Not Redundant