PowerVault ME4: Incorrect temperature warning alerts on ME4084/ME484

The following event alerts sent from the PowerVault ME4

An Enclosure Management Processor (EMP) reported an alert condition on a temperature sensor. Type: fault. (enclosure: 0, WWN: 500C0FF0F1A7C63C) temperature sensor for CPU Temperature-Ctlr A, sensor status: Over temperature failure, temperature: 37 C

An Enclosure Management Processor (EMP) reported an alert condition on a temperature sensor. Type: degraded. (enclosure: 0, WWN: 500C0FF0F1A7C63C) temperature sensor for Ambient Temp, Left Sideplane, sensor status: Over temperature warning, temperature: 34

Analysis by Dell technical support of the support bundle (store log) reports an issue with only the sideplane, there is no CPU temp issue:

Sample log entries:

– GEM CLI command: envctrl_zone

Zone Group Card Name Location Temperature Threshold State
0 0 Common Ambient Sp0:0 32.000 33 OK
1 0 Common Ambient Sp2:0 36.000 33 HIGH

zone 0
name : Ambient
location : Sp0:0
currentTemperature : 34.000
faultStates.generatedFault : 0
faultStates.detectedFault : 1
faultStates.generatedPredictedFail: 0
faultStates.detectedPredictedFail : 0
faultStates.elementSpecificFaults : 0x8
faultStateIgnoreMask.bitmask : 0x0
modifiedCriticalColdTemperature : 3
modifiedCriticalHotTemperature : 37
modifiedWarningColdTemperature : 7
modifiedNormalTemperature : 20
modifiedWarningHotTemperature : 33
modifiedShutdownTemperature : 8388607

zone 1
name : Ambient
location : Sp2:0
currentTemperature : 37.000
faultStates.generatedFault : 0
faultStates.detectedFault : 1
faultStates.generatedPredictedFail: 0
faultStates.detectedPredictedFail : 0
faultStates.elementSpecificFaults : 0x8
faultStateIgnoreMask.bitmask : 0x0
modifiedCriticalColdTemperature : 3
modifiedCriticalHotTemperature : 37
modifiedWarningColdTemperature : 7
modifiedNormalTemperature : 20
modifiedWarningHotTemperature : 33
modifiedShutdownTemperature : 8388607

Event logs:

03/15 13:29:56.359985 C:0 EVENT W ENCL TEMP ALERT EncID 0 SP 2 Ambient Ovr Tmp W 33C WARNING
03/15 14:58:13.245895 C:0 EVENT R ENCL TEMP ALERT EncID 0 SP 2 Ambient OK NO ERROR
03/15 14:59:43.244220 C:0 EVENT W ENCL TEMP ALERT EncID 0 SP 2 Ambient Ovr Tmp W 33C WARNING
03/15 15:06:54.758190 C:0 EVENT R ENCL TEMP ALERT EncID 0 SP 2 Ambient OK NO ERROR
03/15 16:32:00.000242 C:0 EVENT W ENCL TEMP ALERT EncID 0 SP 2 Ambient Ovr Tmp W 34C WARNING
03/15 16:37:22.123440 C:0 EVENT W ENCL TEMP ALERT EncID 0 SP 0 Ambient Ovr Tmp W 34C WARNING

Dell has confirmed this is an issue and has fixed the incorrect sensor mapping in controller firmware GT280R010-01. 

These high temperature events are usually due to high ambient inlet temperature or insufficient cooling or due to blockage of outlet air. Check the operating environment and rectify these conditions. For more information about environmental operating specifications, see the Dell PowerVault ME4 Series Storage System Owner’s Manual.

Release Notes: FMW-48174 Event mapping for temperature alert events was incorrect.