Switchover

Prerequisites

• You have logged in to the eReplication as a user with DR management permission.
• The production site and DR site communicate with each other correctly. The management system and the DR environment at the DR site are working correctly.
• At least one recovery plan has been created in the system.
• If storage devices, hosts or VMs on production site or DR site change, storage devices, hosts or VMs at the site where a protected group resides must be refreshed, for details, refer to Refreshing Resource Information.
• The status of the recovery plan is Ready or Switchover failed.
• The running status and configuration status of the HyperMetro vStore pair on a storage array are both Normal.

Context

Because of the importance of switchover, notify the following:

• Prevent all the system and service administrators from performing other maintenance operations.

Procedure

1. On the menu bar, select Utilization > Data Restore.
2. Select the recovery plan that you want to switch and click More > Switch on the Operation list.

   The warning dialog box is displayed.

3. Perform either of the following operations based on the protected object type.
   

   If Huawei multipath software has been installed on the Linux-based DR host, ensure the configured I/O hanging time is not 0 and all virtual devices generated by the software have corresponding physical devices. For more details, see the OceanStor UltraPath for Linux xxx User Guide.

   • If a recovery plan of the protection policy template is created based on HyperMetro (NAS) and the protected object type is NAS File System, perform the following operations:
     1. Click OK.

Result

After the switchover starts, you can view the execution process and result.If the switchover fails, troubleshoot the faults and perform the switchover again.