In HyperMetro (SAN) and backup (SAN) scenario, how to recover data from disaster recovery (DR) site if data the production site becomes unavailable due to disasters or faults.
Prerequisites
- At least one recovery plan has been created in the system.
- In HyperMetro (SAN) and backup (SAN) scenario, the status of the recovery plan is Ready, Clear completed, Backup and restore fail, or Backup and restore are complete.
- The relevant protected groups of the recovery plan have available copies.
- If the information about storage devices, hosts, or VMs is modified at the production or DR site, manually refresh the information. For details, see Refreshing Resource Information.
Context
When the storage resources or protected objects changed in the current time and snapshot copied time. The recovery operation description, see Copy-based Recovery and Risk Handling Measures.
In the recovery plan details area, click the Protected Object tab, and then click View. You can view the changed resources information between current time and snapshot copied time.
Procedure
- On the menu bar, select Utilization > Data Restore.
- Select the recovery plan that you want to use for data rollback. Then click Backup and Restore in the operation area.
- Select the duplicate that you want to rollback in the Backup and Restore dialog. Then click Backup and Restore.
When the storage device model is OceanStor V3/V5 or OceanStor Dorado V3, you can set the restore rate.
- 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.
- Click OK.
Result
After the data rollback starts, you can view the execution process and result. If the task is failed, you can solve the problem and execute the task again.