Migrating Services to the Remote DR Center upon a Fault Occurring in HyperMetro Data Centers

Prerequisites

• Application-based protection policies and recovery plans have been configured.
• For protected groups that use asynchronous remote replication, the remote DR center must have at least one copy of intact service data.

Context

When data or applications become unavailable due to disasters or faults in the HyperMetro data centers, the services will be quickly migrated to the remote DR center and started in it.

Procedure

1. Log in to UltraVR in the remote DR center.
2. Perform pre-recovery configurations.
   • Without configuration, the VM IP address for fault recovery is the same as that in the production center. You can change it for the planned VM migration on the Protected Object tab page of the recovery policy. For details, see Self-defining Startup Parameters for a Protected Object.
   • After adding or removing disks for a protected VM, refresh the information about the VM and manually enable DR for the protected group where the VM resides in time.

3. Perform a fault recovery.
   

   If Huawei UltraPath has been installed on the Linux-based DR host, ensure that I/O suspension time is not 0 and all virtual devices generated by UltraPath have corresponding physical devices. For details, see the OceanStor UltraPath for Linux V100R008C00 User Guide.

   1. On the menu bar, select Recovery.
   2. Select the recovery plan used for fault recovery and click More > Fault Recovery on the Operation list.
   3. In the Warning dialog box that is displayed, read the content of the dialog box carefully and select I have read and understood the consequences associated with performing this operation.
   4. Click OK.

4. In the production center, check the application startup status.

   After the fault recovery is complete, check whether the applications and data are normal. If an application or data encounters an exception, contact Huawei technical support.