Availability Database Suspension State

Microsoft.SQLServer.Linux.Monitor.DatabaseReplica.SuspendState (UnitMonitor)

This monitor checks the state of data movement of the database replica. The monitor is unhealthy when the data movement is suspended. The monitor is healthy otherwise.

Knowledge Base article:

Summary

This monitor checks the state of data movement of the database replica. The monitor is unhealthy when the data movement is suspended. The monitor is healthy otherwise.

Causes

Either a database administrator or the system has suspended data synchronization on this availability database.

The system might have suspended the data movement due to an error.
User might have suspended the data movement for a maintenance purpose.

Resolutions

Resume the data movement. If the issue persists, check the event log for the availability group and diagnose the reason why the system has suspended data movement.

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 specified by using a 24-hour format. May 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:

Target

Microsoft.SQLServer.Linux.DatabaseReplica

Parent Monitor

System.Health.AvailabilityState

Category

AvailabilityHealth

Enabled

True

Alert Generate

True

Alert Severity

MatchMonitorHealth

Alert Priority

Normal

Alert Auto Resolve

True

Monitor Type

Microsoft.SQLServer.Linux.MonitorType.AlwaysOnSystemPolicy

Remotable

True

Accessibility

Public

Alert Message

MSSQL on Linux: Availability Database Suspension State is not healthy

The data movement in Database Replica is suspended.
Database Name: {3}
Instance Name: {1}
Machine Name: {0}
Availability Group Name: {2}

RunAs

Default

Source Code:

<UnitMonitor ID="Microsoft.SQLServer.Linux.Monitor.DatabaseReplica.SuspendState" Accessibility="Public" Enabled="true" Target="SqlDiscL!Microsoft.SQLServer.Linux.DatabaseReplica" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Microsoft.SQLServer.Linux.MonitorType.AlwaysOnSystemPolicy" ConfirmDelivery="false">

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="Microsoft.SQLServer.Linux.Monitor.DatabaseReplica.SuspendState.AlertMessage">

    <AlertOnState>Warning</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Target/Host/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/MachineName$</AlertParameter1>

      <AlertParameter2>$Target/Host/Host/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/InstanceName$</AlertParameter2>

      <AlertParameter3>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DatabaseReplica"]/AvailabilityGroupName$</AlertParameter3>

      <AlertParameter4>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DatabaseReplica"]/AvailabilityDatabaseName$</AlertParameter4>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

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

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

  </OperationalStates>

  <Configuration>

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

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

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

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

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

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

    <PolicyName>AlwaysOnDbrSuspendStatePolicy</PolicyName>

    <BagKey>3-$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DatabaseReplica"]/AvailabilityDatabaseName$</BagKey>

    <SqlExecTimeoutSeconds>60</SqlExecTimeoutSeconds>

    <SqlTimeoutSeconds>15</SqlTimeoutSeconds>

    <TimeoutSeconds>300</TimeoutSeconds>

    <IntervalSeconds>900</IntervalSeconds>

    <SyncTime/>

  </Configuration>

</UnitMonitor>