Root-cause analysis

Root-cause problem diagnosed for ScsiLun lists the root cause problem diagnosed for ScsiLun and its impacted classes.

Table 1. Root-cause problem diagnosed for ScsiLun

Class	Root-cause	Event (symptoms) of root cause	Description	Impacted class	Events
ScsiLun	Down Note: ScsiLun Down can cause not only event in itself but also cause propagate symptom through its relationship with ScsiPath and underlying Datastore.	NotOperationalEvent	The Operational state of the Lun is either in the state of error or OFF.	ScsiPath	Disconnected
				DataPathRedundancyGroup	ReducedLoadBalancing
					AllComponentsDown
					AtRisk
					ReducedRedundancy
				VMwareDatastore	NoAccess
				VirtualMachine	DownOrImpaired
				VMwareCluster	AutoVMotionCapabilityImpaired
				VMwareESX	HostLostConnectionToAtLeastOneDatastore
				ScsiLun	NotOperationalEvent