Root-cause Analysis
This section provides information on root cause and impact analysis for various
events.
Following table lists the root-cause
problem diagnosed and the impacted classes.
Class | Root Cause | Event (symptoms) of root cause | Impacted Systems |
|---|---|---|---|
Host | Down | Down | Hypervisor |
DownOrImpaired | VirtualMachines | ||
Unresponsive | Host | ||
InterfaceLostConnection | Interface | ||
Hypervisor | Down | DownOrImpaired | VirtualMachines |
HostLostConnection | Hypervisor | ||
PowerOff | Hypervisor | ||
InterfaceLostConnection | Interface | ||
VirtualMachine | Down | DownOrImpaired | VirtualMachine |
The Server Manager provides:
- Impact analysis when a hypervisor server is down. For example, it diagnoses when a VMware hypervisor host goes down (Host Down) and identifies the impact to a virtual machine (Down).
- Impact analysis when a physical switch is down. For example, it diagnoses when a physical switch goes down and identifies the impact to the hypervisor and virtual machines.
- Impact analysis when a logical/tap interface is down. For example, it diagnoses when a logical interface goes down (Interface Down) and identifies the impact to a virtual machine (VMLostConnection).
- Impact analysis when the physical interface of the hypervisor is down. For example, it diagnoses when a physical interface goes down and identifies the impact to a virtual machine.
- Impact analysis and diagnosis when a host hosting vCloud Director is down. For example, it diagnoses when a host hosting vCloud Director goes down and identifies the impact to CloudController.
CloudController Monitoring
Failure Event
Monitoring failure shows details like
"error in reading kafka messages" due to which monitoring failed, This may be due to
Cloud Controller down or Kafka down.

CloudController Unreachable Event
Cloud Controller Unreachable event
indicates vCD (vCloud Director) is not reachable or down. Which is caused-by VM or
Host which is hosting vCloud Director is down or Unresponsive.

OrganizationVDC HighMemoryUtilization Event
This event indicates that Memory for that
Organization VDC is getting utilized more than the configured threshold. Details tab
in notifcation window shows the FreeMemoryThreshold, FreeMemory, FreeMemoryPct and
TotalMemory.

VirtualAppliance
StoppedPartiallyRunningOrSuspended Event
This event indicates that one or many VMs
that are part of that VirtualAppliance is either stopped or suspended or
powered-off.

VM down event impacting
cloud-controller
This VM down problem show Host
Unresponsive and CloudController down events as impacts.
