Cisco Bug: CSCta83751 - After Fan Tray Replacement, Nexus Continues to Log Fan Failures
Nov 22, 2018
- Cisco Nexus 7000 Series Switches
Known Affected Releases
Symptom: After replacing a faulty fan tray on a Nexus 7000, the failed status is not cleared, and the diagnostics continue to report the failure. Example: %DEVICE_TEST-2-FAN_MOD_FAIL: Module 5 has failed test SystemMgmtBus 20 times on System Mgmt Bus for chassis FAN instance 2 due to error Device fan is found to be bad error number 0x00000002 %MODULE-4-MOD_WARNING: Module 5 (serial: XXX123YYYY) reported warning due to Device fan is found to be bad in device 0 (device error 0x2) Conditions: This can occur on any Nexus 7000 switch running NX-OS earlier than 4.2(3) Workaround(s): None. This is resolved in 4.2(3) and later releases.
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