Cisco DS-C9124-K9 Troubleshooting Guide - Page 107
Temperature Threshold Violations
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Chapter 4 Troubleshooting Hardware Temperature Threshold Violations Send documentation comments to [email protected] Temperature Threshold Violations Each module in the chassis has at least two temperature sensors. Each temperature sensor is configured with a minor and a major threshold. Example 4-3 gives the show environment temperature CLI command sample output. It shows how temperature information can be retrieved from the switch. Choose Physical > Temperature Sensors on Device Manager to view a similar output. Example 4-3 Output of show environment temperature Command switch# show environment temperature Module Sensor MajorThresh MinorThres CurTemp Status (Celsius) (Celsius) (Celsius) 4 Outlet 75 60 36 ok 4 Intake 65 50 29 ok 5 Outlet 75 5 Intake 65 60 35 ok 50 34 ok 6 Outlet 75 6 Intake 65 60 35 ok 50 34 ok 9 Outlet 75 9 Intake 65 60 45 ok 50 40 ok The intake sensor, located at the airflow intake on the module, is the most critical indicator of module temperature. All Cisco SAN-OS actions are taken when the major threshold of an intake sensor is exceeded. A minor threshold violation or a major threshold violation on an outlet sensor results in the following system message: Error Message PLATFORM-0-MOD_TEMPMAJALRM: Module [dec] reported major temperature alarm. Explanation Module in the slot exceeded a major temperature threshold. Recommended Action Enter the show environment temperature CLI command or choose Physical > Temperature Sensors on Device Manager to collect more information. This violation also generates a Call Home event and an SNMP notification. A major temperature threshold violation on a module intake sensor results in the following system message: Error Message PLATFORM-0-MOD_TEMPSHUTDOWN: Module [dec] powered down due to major temperature alarm. Explanation Module shutdown due to temperature exceeding major threshold. Recommended Action Enter show environment temperature CLI command or similar Fabric Manager/Device Manager command to collect more information. OL-9285-05 Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x 4-11