Referenced data source discovery

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

Element properties:

Object Discovery Details:

Member Modules:

Source Code:

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

  <Category>Discovery</Category>

  <DiscoveryTypes>

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

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

  </DiscoveryTypes>

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

    <IntervalSeconds>43200</IntervalSeconds>

    <SyncTime/>

    <ScriptName>ReferencedDatasourceDiscovery.ps1</ScriptName>

    <ScriptBody><Script>#Read input parameters

param($sourceType, $sourceId, $managedEntityId, [string] $dpmServerName, $pgId)



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);

}





#######################################################################################

## This script discovers the Referenced DSes

#######################################################################################



$desc = "Referenced DS discovery started event. PgId = " + $pgId



DisplayError $desc 0 124 $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

{

  $guid_pgId = [GUID]$pgId



  #Connect to DPM server

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

  if (!$dpmServer)

  { 

    $desc = "Referenced DS discovery exited event as could not connect to dpm server = " + $dpmServerName

    if($err)

    {

      DisplayError $desc 1 125 $err.Exception.ToString() $err.Exception.Error.Resolution.ToString()

    }

    else

    {

      DisplayError $desc 1 125 $null $null

    }



    exit 1 

  }







  #Get PG object for which we want to discover referenced DSes

  $err = $($pg = Get-ProtectionGroup -DPMServerName $dpmServerName | Where{($_.ProtectionGroupId -eq $guid_pgId)}) 2&gt;&amp;1



  if($err)

  {

     $desc = "Unable to retrieve PG list in Referenced DS discovery"

     DisplayError $desc 1 125 $err.Exception.ToString() $err.Exception.Error.Resolution.ToString()

  }



  if($pg)

  {     

    

    #Get all Referential DSes for the PG

    $err = $($dsList = @(Get-Datasource -ProtectionGroup $pg | Where{($_.IsReferentialDatasource)})) 2&gt;&amp;1



    if($err)

    {

       $desc = "Unable to retrieve referential datasource list in Referenced DS discovery"

       DisplayError $desc 1 125 $err.Exception.ToString() $err.Exception.Error.Resolution.ToString()

    }



    if($dsList)

    {

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

    }



    if($dsList)

    {

        foreach($referentialDS in $dsList)

        {

            

           foreach($ds in $referentialDS.ReferencedDataSourceCollection)

           {



               $dsInstance = $null;

  

               $dsInstance  = $discoveryData.CreateClassInstance('$MPElement[Name="SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReferencedDatasource"]$');

        

               #set other properties of ds

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

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

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

               $dsInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ProtectionGroup']/DPMObjectID$", $pgId)

               $dsInstance.AddProperty("$MPElement[Name='System!System.Entity']/DisplayName$", $ds.DisplayPath)

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

               $dsInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReferencedDatasource']/PGName$", $ds.ProtectionGroupName)

               $dsInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReferencedDatasource']/PSName$", $ds.ProductionServerName)

               $dsInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReferencedDatasource']/DPMObjectID$", $ds.DatasourceId.ToString())

               $dsInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReferencedDatasource']/IsSecondaryProtected$", $ds.IsDPMDatasource)

               $dsInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReferencedDatasource']/DatasourceType$", $ds.Type.Name)

               $dsInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReferencedDatasource']/SourceDPM$", $ds.SourceDPMServer)

               $dsInstance.AddProperty("$MPElement[Name='SCDPM!Microsoft.SystemCenter.DataProtectionManager.2011.Library.ReferencedDatasource']/ReferentialDatasourceId$", $ds.ReferentialDatasourceId.ToString())

               $discoveryData.AddInstance($dsInstance)



               Remove-Variable dsInstance -Confirm:$false

           }



        }

     }

  }



}

catch

{

  $desc = "Exception in Referenced DS discovery"

  DisplayError $desc 1 125 $_.ToString() $null

  throw $_

}



$desc = "Referenced DS discovery completed event. PgId = " + $pgId

DisplayError $desc 0 125 $null $null





#return discovery data

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

      </Parameter>

      <Parameter>

        <Name>PgId</Name>

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

      </Parameter>

    </Parameters>

    <TimeoutSeconds>7200</TimeoutSeconds>

  </DataSource>

</Discovery>