ApsaraDB RDS:How do I purchase ApsaraDB RDS instances in a zone with insufficient resources?

If the required zone does not have sufficient resources, you can use one of the following methods to purchase an RDS instance:

• Select another zone in the same region and purchase an RDS instance. Then, migrate the RDS instance to the required zone after the required zone provides sufficient resources. RDS instances in different zones in the same region can communicate with each other over an internal network. This does not interrupt your workloads. We recommend that you use this method. For more information, see the following topics:

  • Migrate an ApsaraDB RDS for MySQL instance across zones

  • Migrate an ApsaraDB RDS for PostgreSQL instance across zones

  • Migrate an ApsaraDB RDS for SQL Server instance across zones

• If your business needs are not urgent, wait for a period of time until the required zone can provide sufficient resources. Then, purchase an RDS instance in the required zone. However, the time when the required zone can provide sufficient resources varies based on the supply chain.

• If all zones in the same region do not have sufficient resources, purchase an RDS instance in the region closest to your server. After the required zone can provide sufficient resources, migrate the RDS instance to the required zone. For more information, see the following topics:

  • Migrate data between ApsaraDB RDS for MySQL instances

  • Migrate data between ApsaraDB RDS for PostgreSQL instances

  • Migrate data between ApsaraDB RDS for SQL Server instances

  • Migrate data between ApsaraDB RDS for MariaDB instances

  Note

  RDS instances in different regions communicate with each other over the Internet, which generates additional fees.