MetroCluster Health Monitor (FHM) AutoSupport messages are triggered when certain MetroCluster backend switch conditions are detected. The FabricSwitchPowerFail_Alert indicates that one or more power ...MetroCluster Health Monitor (FHM) AutoSupport messages are triggered when certain MetroCluster backend switch conditions are detected. The FabricSwitchPowerFail_Alert indicates that one or more power supplies on the backend MetroCluster switches have reported an error. PowerSupply on switch is missing or is not operational.