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Disk Free Space

Microsoft.SQLServer.2008.DBFile.DiskFreeSpace (UnitMonitor)

Knowledge Base article:

Summary

SQL 2008 Filegroup Disk Free Space monitor. Monitors the min required Disk Free Space per Filegroup.

Configuration

Frequency (Sec) default 3600

Threshold (%) default 5. Min required Disk Free Space in %.

Element properties:

TargetMicrosoft.SQLServer.2008.DBFile
Parent MonitorSystem.Health.PerformanceState
CategoryPerformanceHealth
EnabledTrue
Instance NameLogicalDisk
Counter Name\% Free Space
Frequency3600
Alert GenerateTrue
Alert SeverityError
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeSystem.Performance.ThresholdMonitorType
RemotableTrue
AccessibilityPublic
Alert Message
Disk Free Space
Database file{3} that is part of database {2} on instance {1} on computer {0} is hosted on a logical disk that is running out of disk space. This could cause a problem if the database needs to grow
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.SQLServer.2008.DBFile.DiskFreeSpace" Accessibility="Public" Enabled="true" Target="SQL2008Core!Microsoft.SQLServer.2008.DBFile" ParentMonitorID="SystemHealth!System.Health.PerformanceState" Remotable="true" Priority="Normal" TypeID="SystemPerf!System.Performance.ThresholdMonitorType" ConfirmDelivery="false">

  <Category>PerformanceHealth</Category>

  <AlertSettings AlertMessage="Microsoft.SQLServer.2008.DBFile.DiskFreeSpace.AlertMessage">

    <AlertOnState>Warning</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>Error</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Target/Host/Host/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</AlertParameter1>

      <AlertParameter2>$Target/Host/Host/Host/Property[Type="SQL!Microsoft.SQLServer.ServerRole"]/InstanceName$</AlertParameter2>

      <AlertParameter3>$Target/Host/Host/Property[Type="SQL!Microsoft.SQLServer.Database"]/DatabaseName$</AlertParameter3>

      <AlertParameter4>$Target/Property[Type="SQL!Microsoft.SQLServer.DBFile"]/FileName$</AlertParameter4>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="UnderThreshold" MonitorTypeStateID="UnderThreshold" HealthState="Error"/>

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

  </OperationalStates>

  <Configuration>

    <ComputerName>$Target/Host/Host/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>

    <CounterName>% Free Space</CounterName>

    <ObjectName>LogicalDisk</ObjectName>

    <InstanceName>$Target/Property[Type="SQL!Microsoft.SQLServer.DBFile"]/Drive$</InstanceName>

    <Frequency>3600</Frequency>

    <Threshold>5</Threshold>

  </Configuration>

</UnitMonitor>