Windows Logical Disk State Data Source Module

Microsoft.Windows.Server.10.0.DiskState.DS.Moduletype (DataSourceModuleType)

Monitor the Logical Disk State on Windows Servers

Element properties:

Member Modules:

Overrideable Parameters:

Source Code:

<DataSourceModuleType ID="Microsoft.Windows.Server.10.0.DiskState.DS.Moduletype" Accessibility="Internal" Batching="false">

  <Configuration>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" name="ComputerName" type="xsd:string"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" name="DiskLabel" type="xsd:string"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" name="CounterName" type="xsd:string"/>

    <xsd:element xmlns:xsd="http://www.w3.org/2001/XMLSchema" minOccurs="1" name="IntervalSeconds" type="xsd:integer"/>

  </Configuration>

  <OverrideableParameters>

    <OverrideableParameter ID="IntervalSeconds" Selector="$Config/IntervalSeconds$" ParameterType="int"/>

  </OverrideableParameters>

  <ModuleImplementation Isolation="Any">

    <Composite>

      <MemberModules>

        <DataSource ID="Scheduler" TypeID="System!System.Scheduler">

          <Scheduler>

            <SimpleReccuringSchedule>

              <Interval>$Config/IntervalSeconds$</Interval>

              <SyncTime/>

            </SimpleReccuringSchedule>

            <ExcludeDates/>

          </Scheduler>

        </DataSource>

        <ProbeAction ID="PA" TypeID="Microsoft.Windows.Server.10.0.PowerShellPropertyBagProbe">

          <ScriptName>Microsoft.Windows.Server.DiskState.ps1</ScriptName>

          <PSparam>param ($TargetComputer)</PSparam>

          <ScriptBody><Script>

#Copyright (c) Microsoft Corporation. All rights reserved.

#

# Parameters that should be passed to this script

# 0 Computer (FQDN)





$BYTES_IN_MB = 1048576 #=2^20



$LogicalObjectName     = "System Logical Disk"

$GeneralObjectName     = "Logical Disk"

$PrcFreeCounterName    = "PercentFree"

$MbFreeCounterName     = "MbFree"



Function Main()

{

	$bBagIsNotEmpty = $false

	$IsNotEmpty     = $false

 	$IsNano = Is_NanoServer 

    $IsVolumeInfoSupported = Is_Win32_Volume_Supported $TargetComputer 

    $SystemDrive = Get_System_Drive $TargetComputer

  



   $oVolumes =  Get-Volumes -IsNano $IsNano -IsVolumeSupported $IsVolumeInfoSupported -TargetComputer $TargetComputer  

    



    foreach ($oVolume in $oVolumes)

    {

         

		$VolumeId = Get-VolumeId -IsNano $IsNano -IsVolumeSupported $IsVolumeInfoSupported -Volume $oVolume

		if ($true -eq $IsNano)

		{

			$nFreeSpace = $oVolume.SizeRemaining

			$nMaxSize   = $oVolume.Size

		}

		else

		   {

				$nFreeSpace = $oVolume.FreeSpace

			   if ($IsVolumeInfoSupported)

			   {

				   $nMaxSize = $oVolume.Capacity

			   }

				else

					{

						$nMaxSize   = $oVolume.Size

					}

           }

            

		    

			Create-PerfData -VolumeId $VolumeId -nMaxSize $nMaxSize -nFreeSpace $nFreeSpace -SystemDrive $SystemDrive -momAPI $momAPI -bBagIsNotEmpty ([ref]$IsNotEmpty)

            if ($false -eq $bBagIsNotEmpty)

		    {

				if ($true -eq $IsNotEmpty)

				{

					$bBagIsNotEmpty = $true

				}

			}

        

    }

    

    if ($false -eq $bBagIsNotEmpty)

    {

		$ErrorActionPreference="SilentlyContinue"

		$error.Clear()

        $oBag = $momAPI.CreatePropertyBag()

        $oBag.AddValue("IsNotEmpty", "false")

        $oBag

    }



	Unload-Module -ModuleName "Storage"

	Unload-Module -ModuleName "CimCmdLets"

}



Function Create-PerfData([string]$VolumeId,$nMaxSize,$nFreeSpace,[string]$SystemDrive,$momAPI, [ref]$bBagIsNotEmpty)

{

	$ErrorActionPreference="SilentlyContinue"

	$error.Clear()



	if ($null -eq $momAPI)

	{

		return

	}



	if ($nMaxSize -eq $null -or $nMaxSize -eq 0)

    {

		return

	}



    if ($nFreeSpace -eq $null) 

	{

		 $nFreeSpace = 0 

	}



    $nPctFree = [math]::Round($nFreeSpace / $nMaxSize * 100, 2)

    $nMBFree = [math]::Round($nFreeSpace / $BYTES_IN_MB, 0)

    if ($VolumeId -ieq $SystemDrive)

    {

       $bIsSystemDrive = "true"

       $sPerfObject = $LogicalObjectName

    }

    else

    {

       $bIsSystemDrive = "false"

       $sPerfObject = $GeneralObjectName  

    }



    $oBag = $momAPI.CreateTypedPropertyBag(2) 

	$oBag.AddValue("IsNotEmpty", "true")

    $oBag.AddValue("PerfObject" ,  $sPerfObject)

    $oBag.AddValue("PerfCounter" , $PrcFreeCounterName)

    $oBag.AddValue("PerfInstance", $VolumeId)

    $oBag.AddValue("PerfValue", [string]$nPctFree)



	if ($error.Count -eq 0)

	{

		$oBag

		$bBagIsNotEmpty.Value = $true

	}



	$error.Clear()

    $oBag = $momAPI.CreateTypedPropertyBag(2) 

    $oBag.AddValue("IsNotEmpty", "true")

    $oBag.AddValue("PerfObject" ,  $sPerfObject)

    $oBag.AddValue("PerfCounter" , $MbFreeCounterName)

    $oBag.AddValue("PerfInstance", $VolumeId)

    $oBag.AddValue("PerfValue", [string]$nMBFree)



	if ($error.Count -eq 0)

	{

		$oBag

		$bBagIsNotEmpty.Value = $true

	}

} 





Main

</Script></ScriptBody>

          <Parameters>

            <Parameter>

              <Name>TargetComputer</Name>

              <Value>$Config/ComputerName$</Value>

            </Parameter>

          </Parameters>

          <TimeoutSeconds>300</TimeoutSeconds>

        </ProbeAction>

        <ConditionDetection ID="PerfMapper" TypeID="SystemPerf!System.Performance.DataGenericMapper">

          <ObjectName>$Data/Property[@Name='PerfObject']$</ObjectName>

          <CounterName>$Data/Property[@Name='PerfCounter']$</CounterName>

          <InstanceName>$Data/Property[@Name='PerfInstance']$</InstanceName>

          <Value>$Data/Property[@Name='PerfValue']$</Value>

        </ConditionDetection>

        <ConditionDetection ID="EmptyCD" TypeID="System!System.ExpressionFilter">

          <Expression>

            <SimpleExpression>

              <ValueExpression>

                <XPathQuery Type="Boolean">Property[@Name='IsNotEmpty']</XPathQuery>

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value Type="Boolean">true</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

        </ConditionDetection>

        <ConditionDetection ID="InstanceFilter" TypeID="System!System.ExpressionFilter">

          <Expression>

            <And>

              <Expression>

                <SimpleExpression>

                  <ValueExpression>

                    <XPathQuery Type="String">Property[@Name='PerfInstance']</XPathQuery>

                  </ValueExpression>

                  <Operator>Equal</Operator>

                  <ValueExpression>

                    <Value Type="String">$Config/DiskLabel$</Value>

                  </ValueExpression>

                </SimpleExpression>

              </Expression>

              <Expression>

                <SimpleExpression>

                  <ValueExpression>

                    <XPathQuery Type="String">Property[@Name='PerfCounter']</XPathQuery>

                  </ValueExpression>

                  <Operator>Equal</Operator>

                  <ValueExpression>

                    <Value Type="String">$Config/CounterName$</Value>

                  </ValueExpression>

                </SimpleExpression>

              </Expression>

            </And>

          </Expression>

        </ConditionDetection>

      </MemberModules>

      <Composition>

        <Node ID="PerfMapper">

          <Node ID="InstanceFilter">

            <Node ID="EmptyCD">

              <Node ID="PA">

                <Node ID="Scheduler"/>

              </Node>

            </Node>

          </Node>

        </Node>

      </Composition>

    </Composite>

  </ModuleImplementation>

  <OutputType>SystemPerf!System.Performance.Data</OutputType>

</DataSourceModuleType>