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    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/False_SwitchFanNotPresent_Alert_alert_is_reported_by_Health_Monitor
      Applies to ONTAP 9 Issue Despite no issues seen on cluster switches, following AutoSupport alert messages are received: Call home for Health Monitor process cshm: SwitchFanNotPresent_Alert
    • https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/SwitchFanNotPresent_Alert_reported_by_CSHM_for_Cisco_cluster_network_switches
      “SwitchFanNotPresent_Alert” is reported by CSHM for one or more fan modules of the cluster network switch: The cluster switch health monitor (CSHM) can only detect that a fan or a power supply is miss...“SwitchFanNotPresent_Alert” is reported by CSHM for one or more fan modules of the cluster network switch: The cluster switch health monitor (CSHM) can only detect that a fan or a power supply is missing when the queries to the switch fail to return information about all the fans or power supplies. Login to both the cluster switches and verify if all the fan modules are operating in good condition, by running the following command: