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CONTAP-533639: AFF C30 Chassis Temperature too cool alert

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Issue

  • The temperature sensor 10G2_X710_Temp on SP-LATEST-IPMI of node is non-critical low and the Fault LED is lit on.

hsamcmd --fault-show-all
===============================
tag origin fld fault reason count time
---- ------- ---- ------------- ------ -----
1 bmc /chassis-1/controller-b/pcie-2 10G2_X710_Temp: Temperature Sensor 164 LNC 1 Mon Dec 15 23:05:13 2025
Fault Lights On:
/chassis-1 1
/chassis-1/controller-b 1
/chassis-1/controller-b/pcie-2 1
IO2 10G X710 Temp warnlow 0 C -2 C 5 C 100 C 110 C
  • The EMS log shows the error Chassis temperature is too cool every hour.
    [?] Tue Dec 23 01:07:45 +0900 [node-01: env_mgr: monitor.chassisTemperature.cool:alert]: Chassis temperature is too cool: IO2 10G X710 Temp is warning low (0 C).
    [?] Tue Dec 23 02:07:46 +0900 [node-01: env_mgr: monitor.chassisTemperature.cool:alert]: Chassis temperature is too cool: IO2 10G X710 Temp is warning low (0 C).
    ・
    ・
    [?] Tue Dec 23 16:07:54 +0900 [node-01: env_mgr: monitor.chassisTemperature.cool:alert]: Chassis temperature is too cool: IO2 10G X710 Temp is warning low (0 C).
    [?] Tue Dec 23 17:07:55 +0900 [node-01: env_mgr: monitor.chassisTemperature.cool:alert]: Chassis temperature is too cool: IO2 10G X710 Temp is warning low (0 C).

  • BMC firmware version on my system is the latest, 19.3.

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