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