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Cisco Bug: CSCut34796 - 48Q: After minor alarms on fans, switch reports major alarms

Last Modified

May 18, 2018

Products (1)

  • Cisco Nexus 5000 Series Switches

Known Affected Releases

7.1(1)N1(0.487)

Description (partial)

Symptom:
System major alarm is seen in addition to the minor alarm on removing one FAN


2015 Mar 12 20:46:05 N48Q-P2A-Optics-1 %$ VDC-1 %$ %NOHMS-2-NOHMS_ENV_ERR_FAN_SPEED: System minor alarm in fan tray 3: fan speed is out of range on fan 2. 6890 to 12500 rpm expected. 4695 rpm read
2015 Mar 12 20:46:05 N48Q-P2A-Optics-1 %$ VDC-1 %$ %NOHMS-2-NOHMS_ENV_ERR_FANS_DOWN: System major alarm on fans: Multiple fans missing or failed
2015 Mar 12 20:46:07 N48Q-P2A-Optics-1 %$ VDC-1 %$ %NOHMS-2-NOHMS_ENV_ERR_FAN_RECOVERED: Recovered: From System minor alarm in fan tray 1
2015 Mar 12 20:46:07 N48Q-P2A-Optics-1 %$ VDC-1 %$ %NOHMS-2-NOHMS_ENV_ERR_FAN_RECOVERED: Recovered: From System minor alarm in fan tray 3

Conditions:
Remove any one FAN module
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