How to Tune Mount and Failover Settings for Cluster Continuous Replication

Exchange 2007

Microsoft Exchange Server 2007 will reach end of support on April 11, 2017. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.

 

Applies to: Exchange Server 2007 SP1, Exchange Server 2007 SP2, Exchange Server 2007 SP3

Topic Last Modified: 2007-10-24

This topic explains how to use the Exchange Management Console and the Exchange Management Shell to view and set the failover and mount attributes for a cluster continuous replication (CCR) environment that is running Service Pack 1 for Microsoft Exchange Server 2007.

To perform this procedure, the account you use must be delegated the Exchange Server Administrator role. For more information about permissions, delegating roles, and the rights that are required to administer Exchange 2007, see Permission Considerations.

  1. Open the Exchange Management Console.

  2. Expand Server Configuration, and then select Mailbox.

  3. In the Result pane, right-click the clustered mailbox server and select Properties.

  4. Select the Clustered Mailbox Server tab.

  5. Use the Auto database mount dial drop-down box to configure the desired failover availability settings.

    noteNote:
    This drop-down box only sets the value for AutoDatabaseMountDial. Use the following Exchange Management Shell procedure to set the ForcedDatabaseMountAfter parameter.
  6. Click OK to save the change.

  1. Open the Exchange Management Shell.

  2. Run the following command to obtain the current automatic database mount settings:

    Get-MailboxServer <CMSName> | format-list
    
  3. Run the following command to obtain the current transport dumpster settings:

    Get-TransportConfig | format-list
    

  1. Open the Exchange Management Shell.

  2. Run the following commands to set each automatic database mount attribute:

    Set-MailboxServer <CMSName> -AutoDatabaseMountDial:<Value>
    
    noteNote:
    <Value> must be set to Lossless, GoodAvailability, or BestAvailability.
    Set-MailboxServer <CMSName> -ForcedDatabaseMountAfter:<Value> 
    
    noteNote:
    <Value> must be set to a specified number or "unlimited."
    importantImportant:
    When the value for ForcedDatabaseMountAfter is reached, the database will be mounted regardless of whether the storage group copy is 1 log behind, 10 logs behind, or 1,000 logs behind, which could result in significant data loss. For this reason, this parameter should not be used if service level agreements guarantee a maximum on the amount of data loss that can be incurred.
 

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