Relational Database ServiceRelational Database Service

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

Migrating a Standby DB Instance

Scenarios

You can migrate a standby DB instance to another AZ in the same region as the original AZ.

  • To migrate a standby DB instance to another AZ in the same region, contact customer service to apply for the required permission.
  • Only primary/standby DB instances running MySQL 5.6 or 5.7 support standby DB instance migration to another AZ. To migrate DB instances using local disks, contact customer service to apply for the required permissions.
  • DDL operations and scheduled events will be suspended during migration. To prevent service interruptions, perform the migration during off-peak hours.
  • For details about regions and AZs, see Regions and AZs.

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, locate the target DB instance and choose More > Migrate Standby DB Instance in the Operation column.
  5. On the displayed page, select a target AZ and click Submit.
  6. After the migration is complete, you can view and manage the DB instance on the Instance Management page.

    • During the migration process, the DB instance status is Migrating standby DB instance. You can view the progress on the Task Center page. For details, see section Task Center.
    • In the upper right corner of the DB instance list, click to refresh the list. After the migration is complete, the DB instance status will become Available.
    • In the DB Information on the Basic Information page, you can view the AZ hosting the standby DB instance.

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