NameNode Service State

Ambari.SCOM.UnitMonitor.NameNodeComponentHealthState (UnitMonitor)

Gives critical alert if a NameNode service is unavailable.

Knowledge Base article:

Summary

Gives critical alert if a NameNode service is unavailable.

Causes

TBD

Resolutions

TBD

Element properties:

TargetAmbari.SCOM.HostComponent.NameNode
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityMatchMonitorHealth
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeAmbari.SCOM.UnitMonitorType.HostComponentHealthState
RemotableTrue
AccessibilityPublic
Alert Message
NameNode service is not running.
NameNode hosted on "{0}" in cluster "{1}" is not running.
RunAsDefault

Source Code:

<UnitMonitor ID="Ambari.SCOM.UnitMonitor.NameNodeComponentHealthState" TypeID="Ambari.SCOM.UnitMonitorType.HostComponentHealthState" Target="Ambari.SCOM.HostComponent.NameNode" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" Accessibility="Public" Enabled="true" ConfirmDelivery="true">
<Category>AvailabilityHealth</Category>
<AlertSettings AlertMessage="Ambari.SCOM.UnitMonitor.NameNodeComponentHealthState.AlertMessage">
<AlertOnState>Error</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>Normal</AlertPriority>
<AlertSeverity>MatchMonitorHealth</AlertSeverity>
<AlertParameters>
<AlertParameter1>$Target/Host/Host/Property[Type="Ambari.SCOM.Host.Private"]/HostName$</AlertParameter1>
<AlertParameter2>$Target/Host/Host/Property[Type="Ambari.SCOM.Host.Private"]/ClusterName$</AlertParameter2>
</AlertParameters>
</AlertSettings>
<OperationalStates>
<OperationalState ID="Healthy" MonitorTypeStateID="Healthy" HealthState="Success"/>
<OperationalState ID="Critical" MonitorTypeStateID="Critical" HealthState="Error"/>
</OperationalStates>
<Configuration>
<IntervalSeconds>900</IntervalSeconds>
<TimeoutSeconds>300</TimeoutSeconds>
</Configuration>
</UnitMonitor>