Table 84 on page 135 lists the root-cause analysis done for the classes listed therein.

Table 1. Root-cause analysis for HardwarePort and PortLink

Class

Root-cause

Events (symptoms) of root-cause

Impacted class

Events

HardwarePort

Down

FibreChannelSwitchPort Down

FibreChannelSwitchPort

NotOperational

ScsiPath

PortLink

Down

PortLink Down

PortLink

Disconnected

ScsiPath

PhysicalDisk

Down

DiskFault

PhysicalDisk

Degraded

RAIDGroup

PerformanceMightBeImpaired

VirtualMachine

DiskRebuildEvent

SparePhysicalDisk

PhysicalDisk

DiskRebuild

DiskRebuildEvent

PhysicalDisk

Degraded

RAIDGroup

PerformanceMightBeImpacted

VirtualMachine

InterSwitchLink

Down

Disconnected

ISLGroup

ReducedBandwidth

AtRisk

ReducedRedundancy

AllComponentsDown

DataPathRedundancyGroup

ReducedLoadBalancing

AllComponentsDown

AtRisk

ReducedRedundancy

ScsiPath

Disconnected

VMwareDatastore

NoAccess

VirtualMachine

DownOrImpaired

VMwareESX

HostLostConnectionLeastOneDatastore

VMwareCluster

AutoVMotionCapabilityImpaired

FiberChannelSwitch

FibreChannelSwitchPort connected to ESX hosts disconnected

PortLink::Down

ScsiPath

Disconnected

DataPathRedundancyGroup

ReducedRedundancy

PortLink

Disconnected

FibreChannelSwitchPort connected to ESX hosts disabled

FibreChannelSwitchPort:: Down

ScsiPath

Disconnected

DataPathRedundancyGroup

ReducedRedundancy

FibreChannelSwitchPort

NotOperational

FibreChannelSwitchPort connected to ISLGroup disabled

FibreChannelSwitchPort::Down

InterSwitchLink

Disconnected

ISLGroup

ReducedRedundancy

ReducedBandwidth

FiberChannelSwitchPort

NotOperational

Multiple FiberChannelSwitchPorts disabled

FibreChannelSwitchPort::Down

InterSwitchLink

Disconnected

ISLGroup

AtRisk

FibreChannelSwitchPort

NotOperational

FiberChannelSwitch shut down

FibreChannelSwitchPort:: Down

FibreChannelSwitch

Faulty

VMWareESX

HostLostAtLeastOneDatastore

VMWareDataStore

NoAccess

VMwareCluster

AutoVMotionCapabilityImpaired

AllComponentsDown

ScsiPath

Disconnected

DataPathRedundancyGroup

AllComponentsDown

Host

PingUnresponsive

Unresponsive