Replica volume and disk discovery

Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.VolumeAndDiskDiscovery (Discovery)

Element properties:

Object Discovery Details:

Member Modules:

Source Code:

<Discovery ID="Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.VolumeAndDiskDiscovery" Enabled="true" Target="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer" ConfirmDelivery="true" Remotable="true" Priority="Normal">

  <Category>Discovery</Category>

  <DiscoveryTypes>

    <DiscoveryClass TypeID="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReplicaVolume"/>

    <DiscoveryClass TypeID="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMDisk"/>

    <DiscoveryRelationship TypeID="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServerHostsDisk"/>

    <DiscoveryRelationship TypeID="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServerHostsReplicaVolume"/>

  </DiscoveryTypes>

  <DataSource ID="VolumeAndDiskDiscovery" TypeID="Windows!Microsoft.Windows.TimedPowerShell.DiscoveryProvider">

    <IntervalSeconds>43200</IntervalSeconds>

    <SyncTime/>

    <ScriptName>VolumeAndDiskDiscovery.ps1</ScriptName>

    <ScriptBody><Script>#Read input parameters

param($sourceType,$sourceId,$managedEntityId,$dpmServerName)



function DisplayError()

{

    param($description, $severity, $errorCode, $exceptionString, $resolutionString)

    

    $evt = new-object System.Diagnostics.EventLog("DPM Alerts");

    $evt.Source = "DPM-EM";

    $eventSeverity = [System.Diagnostics.EventLogEntryType]::Information;

    

    #severity = 0 is info and severity = 1 is warning

    if($severity -eq 1)

    {

       $eventSeverity = [System.Diagnostics.EventLogEntryType]::Warning;

    }

    

    $errString = new-object system.text.stringBuilder

    $errString.AppendLine($description)



    if($exceptionString -ne $null)

    {

       $errString.AppendLine()

       $errString.AppendLine("Problem: " + $exceptionString)

    }

   

    if($resolutionString -ne $null)

    {

       $errString.AppendLine()

       $errString.AppendLine("Resolution: " + $resolutionString)

    }

 

    $evt.WriteEntry($errString.ToString(), $eventSeverity, $errorCode);

}





$desc = "Volume and disk discovery start event for dpmServerName =" + $dpmServerName

DisplayError $desc 0 116 $null $null



# Load DPM snapin

$dpmBinPath = (Get-ItemProperty "HKLM:\SOFTWARE\Microsoft\Microsoft Data Protection Manager\Setup" "UIInstallPath").UIInstallPath

. "$dpmBinPath\GlobalFunctions.ps1"

LoadDPMSnapin



#Create and Instantinate SCOM discovery objects

$api = New-Object -comObject 'MOM.ScriptAPI'

$discoveryData = $api.CreateDiscoveryData($sourceType, $sourceId, $managedEntityId)



try

{

  #Connect to DPM server

  $err = $($dpmServer = Connect-DPMServer $dpmServerName) 2&gt;&amp;1

  if (!$dpmServer)

  { 

    $desc = "Volume and disk discovery - Unable to connect to DPM server: dpmServerName =" + $dpmServerName

    if($err)

    {

      DisplayError $desc 1 117 $err.Exception.ToString() $err.Exception.Error.Resolution.ToString()

    }

    else

    {

      DisplayError $desc 1 117 $null $null

    }



    exit 1 

  } 





  #Get disk list for the DPM server

  $err = $($diskList = @(Get-DPMDisk -DPMServerName $dpmServerName | where {$_.IsInStoragePool -eq $true}) ) 2&gt;&amp;1

  if($err)

  {

    $desc = "Unable to retrieve disk list"

    DisplayError $desc 1 117 $err.Exception.ToString() $err.Exception.Error.Resolution.ToString() 

  }



  if($diskList)

  {

    $diskList = $diskList | Sort-Object $_.Name

  }



  foreach ($disk in $diskList) 

  { 

    if($disk)

    { 

       $totalSpace = "{0:F0}" -f ($disk.TotalCapacity/(1024 * 1024 * 1024)) 

       $freeSpace =  "{0:F0}" -f ($disk.UnallocatedSpace/(1024 * 1024 * 1024))



       #Create a disk instance

       $diskInstance = $discoveryData.CreateClassInstance("$MPElement[Name="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMDisk"]$")

       $diskInstance.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.Computer']/PrincipalName$", $dpmServerName)

       $diskInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMSeed']/DPMServerName$", $dpmServerName)

       $diskInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer']/DPMServerName$", $dpmServerName)

       $diskInstance.AddProperty("$MPElement[Name='System!System.Entity']/DisplayName$", $disk.Name)

       $diskInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMDisk']/DPMServerName$", $dpmServerName)

       $diskInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMDisk']/DPMObjectID$", $disk.Identifier.ToString())

       $diskInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMDisk']/TotalSpace$", $totalSpace)

       $diskInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMDisk']/FreeSpace$", $freeSpace)

       $discoveryData.AddInstance($diskInstance)



       Remove-Variable diskInstance -Confirm:$false

    }

  }



  #Get ReFS volume list for the DPM server

  if (Get-Command Get-DPMDiskStorage -ErrorAction SilentlyContinue)

  {

      $err = $($refsVolList = @(Get-DPMDiskStorage -DPMServerName $dpmServerName -Volumes) ) 2&gt;&amp;1

      if($err)

      {

        $desc = "Unable to retrieve ReFS volume list"

        DisplayError $desc 1 117 $err.Exception.ToString() $err.Exception.Error.Resolution.ToString() 

      }



      if($refsVolList)

      {

        $refsVolList = @($refsVolList | Sort-Object $_.AccessPath)

      }



      foreach ($disk in $refsVolList) 

      { 

        if($disk)

        { 

           $totalSpace = "{0:F0}" -f ($disk.TotalSpace/(1024 * 1024 * 1024)) 

           $freeSpace =  "{0:F0}" -f (($disk.TotalSpace - $disk.OptimizedUsedSpace)/(1024 * 1024 * 1024))



           #Create a disk instance

           $diskInstance = $discoveryData.CreateClassInstance("$MPElement[Name="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMDisk"]$")

           $diskInstance.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.Computer']/PrincipalName$", $dpmServerName)

           $diskInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMSeed']/DPMServerName$", $dpmServerName)

           $diskInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer']/DPMServerName$", $dpmServerName)

           $diskInstance.AddProperty("$MPElement[Name='System!System.Entity']/DisplayName$", $disk.AccessPath)

           $diskInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMDisk']/DPMServerName$", $dpmServerName)

           $diskInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMDisk']/DPMObjectID$", $disk.StorageId.ToString())

           $diskInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMDisk']/TotalSpace$", $totalSpace)

           $diskInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMDisk']/FreeSpace$", $freeSpace)

           $discoveryData.AddInstance($diskInstance)



           Remove-Variable diskInstance -Confirm:$false

        }

      }

  }



  #Get volume list for the DPM server

  $err = $($volumeList = Get-DPMVolume -DPMServerName $dpmServerName -AlreadyInUseByDPM | ?{$_.VolumeType -eq [Microsoft.Internal.EnterpriseStorage.Dls.StoragePoolManager.EnumUsage]::Replica}) 2&gt;&amp;1



  if($err)

  {

     $desc = "Unable to retrieve volume list"

     DisplayError $desc 1 117 $err.Exception.ToString() $err.Exception.Error.Resolution.ToString()

  }



  if($volumeList)

  {

    $volumeList = $volumeList | Sort-Object $_.VolumeSetId

  }



  foreach ($volume in $volumeList)

  {

    if($volume)

    {

       $volumeInstance = $discoveryData.CreateClassInstance("$MPElement[Name="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReplicaVolume"]$")

       $volumeInstance.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.Computer']/PrincipalName$", $dpmServerName)

       $volumeInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMSeed']/DPMServerName$", $dpmServerName)

       $volumeInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer']/DPMServerName$", $dpmServerName)

       $volumeInstance.AddProperty("$MPElement[Name='System!System.Entity']/DisplayName$", $volume.ToString())

       $volumeInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReplicaVolume']/DPMServerName$", $dpmServerName)

       $volumeInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReplicaVolume']/DPMObjectID$", $volume.VolumeSetId.ToString())

       $discoveryData.AddInstance($volumeInstance)

       

       Remove-Variable volumeInstance -Confirm:$false

    }

  }



  #Get the list of data sources protected using MDS from the DPM server

  if (Get-Command Get-DPMDiskStorage -ErrorAction SilentlyContinue)

  {

      $err = $($dsList = Get-DPMDatasource -DPMServerName $dpmServerName | Where{($_.ProtectionGroupId -ne [Guid]::Empty) -and ($_.ProtectionGroup -ne $null) -and ($_.ProtectionGroup.IsDiskShortTerm) -and (-not $_.ProtectionGroup.UsesLegacyStorageStack)}) 2&gt;&amp;1



      if($err)

      {

         $desc = "Unable to retrieve data sources protected using modern storage stack"

         DisplayError $desc 1 117 $err.Exception.ToString() $err.Exception.Error.Resolution.ToString()

      }



      foreach ($ds in $dsList)

      {

        if($ds)

        {

           $volumeId = $ds.AssociatedReplica.PhysicalReplicaId.ToString()

           $volumeInstance = $discoveryData.CreateClassInstance("$MPElement[Name="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReplicaVolume"]$")

           $volumeInstance.AddProperty("$MPElement[Name='Windows!Microsoft.Windows.Computer']/PrincipalName$", $dpmServerName)

           $volumeInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMSeed']/DPMServerName$", $dpmServerName)

           $volumeInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer']/DPMServerName$", $dpmServerName)

           $volumeInstance.AddProperty("$MPElement[Name='System!System.Entity']/DisplayName$", $volumeId)

           $volumeInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReplicaVolume']/DPMServerName$", $dpmServerName)

           $volumeInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReplicaVolume']/DPMObjectID$", $volumeId)

           $discoveryData.AddInstance($volumeInstance)

       

           Remove-Variable volumeInstance -Confirm:$false

        }

      }

  }



}

catch

{

  $desc = "Exception in volume and disk discovery"

  DisplayError $desc 1 117 $_.ToString() $null

  throw $_

}



$desc = "Volume and disk discovery completed for dpmServerName =" + $dpmServerName

DisplayError $desc 0 118 $null $null



$discoveryData



#Cleanup Variables

Remove-Variable sourceType -Confirm:$false

Remove-Variable sourceId -Confirm:$false

Remove-Variable managedEntityId -Confirm:$false

Remove-Variable discoveryData -Confirm:$false

Remove-Variable api -Confirm:$false

</Script></ScriptBody>

    <Parameters>

      <Parameter>

        <Name>SourceType</Name>

        <Value>0</Value>

      </Parameter>

      <Parameter>

        <Name>SourceId</Name>

        <Value>$MPElement$</Value>

      </Parameter>

      <Parameter>

        <Name>ManagedEntityId</Name>

        <Value>$Target/Id$</Value>

      </Parameter>

      <Parameter>

        <Name>DPMServerName</Name>

        <Value>$Target/Property[Type="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer"]/DPMServerName$</Value>

      </Parameter>

    </Parameters>

    <TimeoutSeconds>7200</TimeoutSeconds>

  </DataSource>

</Discovery>