CONTAP-243154: "SwitchFanNotPresent_Alert" reported by CSHM for cluster network switches after upgrading ONTAP to 9.13.1
Issue
System reports alerts similar to the following:[Node02: cshmd: hm.alert.raised:alert]: Alert Id = SwitchFanNotPresent_Alert , Alerting Resource = switchA(xxxxxx)/Fan Module-1 raised by monitor ethernet-switch [Node02: cshmd: hm.alert.raised:alert]: Alert Id = SwitchFanNotPresent_Alert , Alerting Resource = switchA(xxxxxx)/Fan Module-2 raised by monitor ethernet-switch [Node02: cshmd: hm.alert.raised:alert]: Alert Id = SwitchFanNotPresent_Alert , Alerting Resource = switchA(xxxxxx)/Fan Module-3 raised by monitor ethernet-switch [Node02: cshmd: hm.alert.raised:alert]: Alert Id = SwitchFanNotPresent_Alert , Alerting Resource = switchA(xxxxxx)/Fan Module-4 raised by monitor ethernet-switch [Node02: cshmd: hm.alert.raised:alert]: Alert Id = SwitchFanNotPresent_Alert , Alerting Resource = switchA(xxxxxxx)/Fan Module-1 raised by monitor ethernet-switch
However, switch information does not indicate any issues with the switch's HW components.