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Availability Replicas Role monitor

Microsoft.SQLServer.Windows.Monitor.AvailabilityGroupHealth.AvailabilityReplicaRoleState (UnitMonitor)

Availability Replicas Role

Knowledge Base article:

Summary

This monitor rolls up the state of role of all availability replicas and checks whether any availability replica is not in a healthy role. The monitor is unhealthy when any availability replica is neither primary nor secondary. The monitor is healthy otherwise.

Causes

In this availability group, at least one availability replica does not currently have the primary or secondary role.

Resolutions

Find the availability replica whose role is not primary or secondary using availability replica monitor state and resolve the issue at the availability replica.

Overridable Parameters

Name

Description

Default Value

Enabled

Enables or disables the workflow.

Yes

Generates Alerts

Defines whether the workflow generates an Alert.

No

Interval (seconds)

The recurring interval of time in seconds in which to run the workflow.

900

Synchronization Time

The synchronization time is specified by using a 24-hour format. Can be omitted.

 

Timeout (seconds)

Specifies the time the workflow is allowed to run before being closed and marked as failed.

300

Timeout for query execution (seconds)

The workflow will fail and register an event, if the query execution takes longer than the specified period.

60

Timeout for database connection (seconds)

The workflow will fail and register an event, if it cannot access the database during the specified period.

15

Element properties:

TargetMicrosoft.SQLServer.Windows.AvailabilityGroupHealth
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateFalse
Alert Auto ResolveTrue
Monitor TypeMicrosoft.SQLServer.Windows.MonitorType.AlwaysOnSystemPolicy
RemotableTrue
AccessibilityPublic
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.SQLServer.Windows.Monitor.AvailabilityGroupHealth.AvailabilityReplicaRoleState" Accessibility="Public" Enabled="true" Target="SqlDiscW!Microsoft.SQLServer.Windows.AvailabilityGroupHealth" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Microsoft.SQLServer.Windows.MonitorType.AlwaysOnSystemPolicy" ConfirmDelivery="false">

  <Category>AvailabilityHealth</Category>

  <OperationalStates>

    <OperationalState ID="Success" MonitorTypeStateID="HealthState" HealthState="Success"/>

    <OperationalState ID="Critical" MonitorTypeStateID="ErrorState" HealthState="Warning"/>

  </OperationalStates>

  <Configuration>

    <MachineName>$Target/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/MachineName$</MachineName>

    <NetbiosComputerName>$Target/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/NetbiosComputerName$</NetbiosComputerName>

    <InstanceName>$Target/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/InstanceName$</InstanceName>

    <ConnectionString>$Target/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/ConnectionString$</ConnectionString>

    <InstanceVersion>$Target/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/Version$</InstanceVersion>

    <InstanceEdition>$Target/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/Edition$</InstanceEdition>

    <MonitoringType>$Target/Host/Property[Type="SqlDiscW!Microsoft.SQLServer.Windows.DBEngine"]/MonitoringType$</MonitoringType>

    <PolicyName>AlwaysOnAgReplicasRoleHealthPolicy</PolicyName>

    <BagKey>1-$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.AvailabilityGroupHealth"]/AvailabilityGroupName$</BagKey>

    <SqlExecTimeoutSeconds>60</SqlExecTimeoutSeconds>

    <SqlTimeoutSeconds>15</SqlTimeoutSeconds>

    <TimeoutSeconds>300</TimeoutSeconds>

    <IntervalSeconds>900</IntervalSeconds>

    <SyncTime/>

  </Configuration>

</UnitMonitor>