How to Set the Deletion Policy for a State Migration Point

Artikel
05/03/2011

Applies To: System Center Configuration Manager 2007, System Center Configuration Manager 2007 R2, System Center Configuration Manager 2007 R3, System Center Configuration Manager 2007 SP1, System Center Configuration Manager 2007 SP2

In Microsoft System Center Configuration Manager 2007, you configure the state migration point deletion policy by updating the SMPStoreDeletionDelayTimeInMinutes and SMPStoreDeletionCycleTimeInMinutes embedded properties. The deletion policy defines when the state migration point should remove data marked for deletion.

Note

The Configuration Manager console displays the deletion delay time in days, whereas SMPStoreDeletionDelayTimeInMinutes and SMPStoreDeletionCycleTimeInMinutes are stored in minutes.

To set the deletion policy

Set up a connection to the SMS Provider. For more information, see About the SMS Provider in Configuration Manager.
Make a connection to the state migration point resources section of the site control file.
Get the embedded properties.
Update SMPStoreDeletionDelayTimeInMinutes and SMPStoreDeletionCycleTimeInMinutes.
Commit the changes to the site control file.

Example

The following example method sets the deletion policy for a state migration point. The example receives the number of days, converts the value to minutes, and updates the deletion policy accordingly.

For information about calling the sample code, see Calling Configuration Manager Code Snippets.

Sub SetDeletionPolicy(connection,          _
                      context,           _
                      siteCode,               _
                      deletionPolicyDays)

 
    ' Load site control file and get SMS state migration point section.
    connection.ExecMethod "SMS_SiteControlFile.Filetype=1,Sitecode=""" & siteCode & """", "Refresh", , , context
        
    Query = "SELECT * FROM SMS_SCI_SysResUse " & _
            "WHERE RoleName = 'SMS State Migration Point' " & _
            "AND SiteCode = '" & siteCode & "'"
    
    Set SCIComponentSet = connection.ExecQuery(Query, , , context)

    ' Convert days to minutes (1440 = 24 *60).
    deletionDelayMinutes = deletionPolicyDays * 1440
    deletionCycleMinutes = 1440
    
    
    ' Only one instance is returned from the query.
    For Each SCIComponent In SCIComponentSet

         ' Display state migration point server name.
         wscript.echo "SMS State Migration Point Server: " & SCIComponent.NetworkOSPath                                    
    
        ' Loop through the array of embedded property instances.
        For Each vProperty In SCIComponent.Props
            
            ' Setting: SMPStoreDeletionDelayTimeInMinutes
            If vProperty.PropertyName = "SMPStoreDeletionDelayTimeInMinutes" Then
                wscript.echo " "
                wscript.echo vProperty.PropertyName
                wscript.echo "Current value " &  vProperty.Value               
                
                ' Modify the value.
                vProperty.Value = deletionDelayMinutes
                wscript.echo "New value " & deletionDelayMinutes
            End If
            
           ' Setting: SMPStoreDeletionCycleTimeInMinutes
           If vProperty.PropertyName = "SMPStoreDeletionCycleTimeInMinutes" Then
                wscript.echo " "
                wscript.echo vProperty.PropertyName
                wscript.echo "Current value " &  vProperty.Value               
                
                ' Modify the value.
                vProperty.Value = deletionCycleMinutes
                wscript.echo "New value " & deletionCycleMinutes
            End If
                
        Next   

             ' Update the component in your copy of the site control file. Get the path
             ' to the updated object, which could be used later to retrieve the instance.
             Set SCICompPath = SCIComponent.Put_( , context)
    Next
                          
    ' Commit the change to the actual site control file.
    Set InParams = connection.Get("SMS_SiteControlFile").Methods_("CommitSCF").InParameters.SpawnInstance_
    InParams.SiteCode = siteCode
    connection.ExecMethod "SMS_SiteControlFile", "CommitSCF", InParams, , context
      

End Sub

public void SetDeletionPolicy(
WqlConnectionManager connection,
string server,
string siteCode,
int deletionPolicyDays)
{
    try
    {
        // Get the state migration part of the site control file.
        IResultObject ro = connection.GetInstance("SMS_SCI_SysResUse.FileType=2,ItemName='[\"Display=\\\\" + 
            server + 
            "\\\"]MSWNET:[\"SMS_SITE=" +
            siteCode + 
            "\"]\\\\" + 
            server + 
            "\\,SMS State Migration Point',ItemType='System Resource Usage',SiteCode='" + 
            siteCode + 
            "'");

        // Convert to minutes.
        Dictionary<string, IResultObject> embeddedProperties = ro.EmbeddedProperties; // Get a copy
        int deletionDelayMinutes = 0;
        int deletionCycleMinutes = 0;
        if (deletionPolicyDays > 0)
        {
            // Convert days to minutes (1440 = 24 *60).
            deletionDelayMinutes = deletionPolicyDays * 1440;
            deletionCycleMinutes = 1440;
        }
        // Update deletion policy.
        embeddedProperties["SMPStoreDeletionDelayTimeInMinutes"]["Value"].IntegerValue = deletionDelayMinutes;
        embeddedProperties["SMPStoreDeletionCycleTimeInMinutes"]["Value"].IntegerValue = deletionCycleMinutes;

        ro.EmbeddedProperties = embeddedProperties;

        // Commit changes.
        ro.Put();
    }
    catch (SmsException e)
    {
        Console.WriteLine("Failed to set deletion policy: " + e.Message);
        throw;
    }
}

The example method has the following parameters:

Parameter	Type	Description
connection	Managed: WqlConnectionManager VBScript: SWbemServices	A valid connection to the SMS Provider.
context (VBScript)	VBScript: SWbemContext	A valid context object. For more information, see How to Add a Configuration Manager Context Qualifier by Using WMI.
server	Managed: String VBScript: String	The Configuration Manager server that the state migration point is running on.
siteCode	Managed: String VBScript: String	The Configuration Manager site code.
deletionPolicyDays	Managed: Integer VBScript: Integer	Number of days before data deletion.

Compiling the Code

The C# example has the following compilation requirements:

Namespaces

System

System.Collections.Generic

System.Text

Microsoft.ConfigurationManagement.ManagementProvider

Microsoft.ConfigurationManagement.ManagementProvider.WqlQueryEngine

Assembly

microsoft.configurationmanagement.managementprovider

adminui.wqlqueryengine

Robust Programming

For more information about error handling, see About Configuration Manager Errors.

Security

For more information about securing Configuration Manager applications, see About Securing Configuration Manager Applications.

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