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OceanStor BCManager 6.5.0 eReplication User Guide 02

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DR Recovery

DR Recovery

In HyperMetro (SAN) and snapshot (SAN) or HyperMetro (NAS) and HyperVault scenario, how to recover data from disaster recovery (DR) site if data the production site becomes unavailable due to disasters or faults.


  • At least one recovery plan has been created in the system.
  • In HyperMetro (SAN) and snapshot (SAN) scenario, the status of the recovery plan is Ready, Clear completed, Rollback failed, or Rollback completed.

    In HyperMetro (NAS) and HyperVault scenarios, the status of the recovery plan is Ready, Rollback failed, or Rollback completed.

  • 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.


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.


  1. On the menu bar, select Utilization > Data Recovery.
  2. Select the recovery plan that you want to use for data rollback. Then click Rollback Recovery in the operation area.
  3. Select the duplicate that you want to rollback in the Rollback Recovery dialog. Then click Rollback Recovery.
  4. 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.
  5. Click OK.


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.

Updated: 2019-05-21

Document ID: EDOC1100075861

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