A mirror vault is the mirror of a backup vault. However, the two vaults are located in different regions. You can use a mirror vault for geo-disaster recovery or cross-region data restoration.

Note
  • After a mirror vault is created, ongoing backup jobs in the source vault are synchronized to the mirror vault in real time. The historical backup data stored in the source vault is synchronized to the mirror vault 90 minutes after the mirror vault is created.
  • You can create only one mirror vault for each backup vault.
  • You can restore backup data stored in a mirror vault but cannot back up the data in a mirror vault.
  • You must delete a mirror vault before deleting its source vault.
  • A source vault is created when you create a backup client.

Create a mirror vault

The procedure is as follows:

  1. Log on to the Hybrid Backup Recovery (HBR) console.
  2. In the left-side navigation pane, click Overview.
  3. Select a backup vault for which you want to create a mirror vault, and click the icon in the upper-right corner of the backup vault.
  4. In the Create Mirror Vault dialog box, select a region where the mirror vault is located.
    Note For disaster recovery, you cannot select the region where the source vault is located.
  5. Set Vault Name. The vault name can be up to 32 characters in length.
  6. Set Vault Description as required, and then click Create.

Restore a SQL Server database from a backup stored in a mirror vault



As shown in the preceding figure, a database in SQL Server cluster A is backed up in a backup vault in region A. To restore the database to SQL Server cluster B in region B, you need to log on to the Hybrid Backup Recovery (HBR) console on an Elastic Compute Service (ECS) instance where SQL Server cluster B is deployed, and register a SQL Server instance in the console. The procedure is as follows:
  1. Log on to the HBR console on an ECS instance that is located in the destination region, and register a SQL Server instance.
    Note Select the destination mirror vault as the backup vault.
  2. Find the registered SQL Server instance in the HBR console, and then restore the database to the destination SQL Server instance.