Performing a Reverse Reprotection

Scenarios

After a planned failover, data is not automatically synchronized from the disaster recovery site to the production site, and protection is disabled for protected instances. To start data synchronization from the disaster recovery site to the production site, perform a reverse reprotection.

• After a reverse reprotection, initial data synchronization starts. During this process, if disaster recovery site servers are restarted, data will be resynchronized until the synchronization is complete.
• After a reverse reprotection is complete, if disaster recovery site servers are restarted, data will not be resynchronized. If data is then written to the disaster recovery site servers, the incremental data is then synchronized.

Prerequisites

• The disaster recovery site server has been preconfigured according to Configuring Disaster Recovery Site Servers.
• The status of the protected instance is Planned failover completed or Reverse reprotection failed.

Procedure

1. Log in to the management console.
2. Click Service List and choose Storage > Storage Disaster Recovery Service.

   The Storage Disaster Recovery Service page is displayed.

3. Choose Asynchronous Replication. In the right pane, locate the replica pair housing the protected instance you want to perform reverse reprotection and click the number in the Protected Instances column.

   The Protection Groups tab page is displayed.

4. In the navigation tree, choose the target protection group.

   The protection group details page is displayed.

5. In the Protected Instances area, locate the target protected instance, choose More > Perform Reverse Reprotection in the Operation column.

   The Perform Reverse Reprotection page is displayed.

6. Click Submit.