What do the MetroCluster HealthMonitoring alerts mean?
  
Applies to
- MetroCluster
 - ONTAP 9
 - Health Monitoring
 
Answer
| Alert | Description | 
| NoISLPresentAlert | This alert indicates that there is no InterSwitch Link (ISL) present between the Fibre Channel switches in between the sites of the MetroCluster. | 
| StorageBridgeUnreachable (in-band) | Indicates an ATTO FibreBridge is no longer reachable via the management network (FC). | 
| StorageBridgeUnreachable (snmp) | Indicates an ATTO FibreBridge is no longer reachable via the management network (Ethernet). | 
| Bridge is incorrectly configured | Indicates a miscabling of the FC-SAS Bridge. | 
| StorageBridgePortDown | Indicates a link from the FC port of the bridge to the switch or controller is not working correctly | 
| Bridge Port is offline | Indicates a misconfiguration of the FC-SAS Bridge or a cable problem | 
| FabricSwitchUnreachable | This alert indicated that one or more of the MetroCluster Fibre Channel switches is no longer reachable via the Ethernet network. | 
| FabricSwitchPowerFail | A power supply of the MetroCluster backend FibreChannel switch has a failed or a the power is interrupted | 
Additional Information
Verify the system risks for your MetroCluster using the ActiveIQ tool
