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DS212C Shelf EMS log report Temperature sensor 9 is undertemperature failure

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Applies to

  • DS212C shelf
  • Systems with internal DS212C shelf

Issue

  • Chassis under temperature shutdown alert observed.

 EMS log:
[env_mgr: monitor.shutdown.chassisUnderTemp:error]: Chassis temperature is too cold: System temperature is critically low. System will be shutdown in 2 minutes.  
[env_mgr: monitor.shutdown.cancel:notice]: Automatic shutdown sequence canceled.
[dsa_worker2: ses.status.temperatureInfo:info]: DS212-12 (S/N ****) shelf 0 on channel 0b temperature information for Temperature sensor 9: normal status.
[statd: monitor.shelf.fault.ok:notice]: Fault previously reported on disk storage shelf attached to channel 0b has been corrected.
[env_mgr: callhome.chassis.undertemp:EMERGENCY]: Call home for CHASSIS UNDER TEMPERATURE SHUTDOWN
[env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply 2 is degraded: PSU2 sensors in bad state

  • Temperature sensor 9 is in critical status due to an undertemperature failure.

EMS log:
 [power_low_monitor: monitor.chassisPower.degraded:alert]: Chassis power is degraded: Power Supply Status Critical: PSU2.
 [power_low_monitor: callhome.chassis.power:error]: Call home for CHASSIS POWER DEGRADED: Power Supply Status Critical: PSU2.
[ dsa_worker2: ses.status.temperatureError:error]: DS212-12 (S/N ***) shelf 0 on channel 0b temperature error for Temperature sensor 9: critical status; undertemperature failure. Current temperature: 0 C (32 F).  This module is on the rear of the shelf on the lower right power supply.

  • In the PLATFORM-SENSORS.XML log, PSU2 is reported as being in a fault state.

PLATFORM-SENSORS.XML
PSU2 Bad    discrete    　fault　   normal    TRUE                
PSU1 Bad    discrete    　normal    normal    FALSE                
PSU2    discrete    fault            normal    BAD                
PSU1    discrete    normal            normal    GOOD

  • In the ENVIRONMENT log, Sensor 9 is reported with an undertemperature failure.

Channel: 0b
Shelf: 0
SES device path: local access: 0b.00.99
Module type: IOM12G; monitoring is active  
Shelf status: normal condition
SES Configuration, shelf 0:

Temperature Sensor installed element list: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15; with error: 9
Shelf temperatures by element:
[1] 20 C (68 F) (ambient)  Normal temperature range
[2] 33 C (91 F)  Normal temperature range
[3] 33 C (91 F)  Normal temperature range
[4] 38 C (100 F)  Normal temperature range
[5] 38 C (100 F)  Normal temperature range
[6] 35 C (95 F) Normal temperature range
[7] 57 C (134 F)  Normal temperature range
[8] 38 C (100 F)  Normal temperature range
[9] 0 C (32 F) Undertemperature failure!
[10] 47 C (116 F)  Normal temperature range

 

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