Relational Database ServiceRelational Database Service

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Updated at: Apr 02, 2022 GMT+08:00

Restoring a DB Instance to a Point in Time

Scenarios

You can restore from automated backups to a specified point in time.

When you enter the time point that you want to restore the DB instance to, RDS downloads the most recent full backup file from OBS to the DB instance. Then, incremental backups are also restored to the specified point in time on the DB instance. Data is restored at an average speed of 30 MB/s.

Constraints

  • You can restore to new DB instances from backups only when your account balance is greater than or equal to $0 USD. A new DB instance is billed based on the instance specifications.
  • RDS for PostgreSQL does not support restoration to the original DB instance. If you intend to restore to the original DB instance, restore to a new DB instance first and then change the IP address to that of the original DB instance.

Procedure

  1. Log in to the management console.
  2. Click in the upper left corner and select a region and a project.
  3. Click in the upper left corner of the page and choose Database > Relational Database Service. The RDS console is displayed.
  4. On the Instance Management page, click the target DB instance.
  5. In the navigation pane on the left, choose Backups & Restorations. On the displayed page, click Restore to Point in Time.
  6. Select the restoration date and time range, enter a time point within the selected time range, and select a restoration method. Then, click OK.

    • Create New Instance
      The Create New Instance page is displayed.
      • The DB engine and version of the new DB instance are the same as those of the original DB instance and cannot be changed.
      • Storage space of the new DB instance is the same as that of the original DB instance by default and the new instance must be at least as large as the original DB instance.
      • Other settings are the same as those of the original DB instance by default and can be modified. For details, see Buying a DB Instance.

  7. View the restoration result. The result depends on which restoration method was selected:

    • Create New Instance

      A new DB instance is created using the backup data. The status of the DB instance changes from Creating to Available.

      The new DB instance is independent from the original one. If you need read replicas to offload read pressure, create one or more for the new DB instance.

      After the restoration is complete, a full backup will be automatically triggered.

Follow-up Operations

After the restoration is successful, you can log in to the DB instance for verification.

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