If the storage space of an apsaradb for MongoDB instance is insufficient, you can expand the storage space. This article describes how changing the storage space of an apsaradb for MongoDB instance affects the instance.


Alibaba Cloud reminds you that:

  • Before you perform operations that may cause risks, such as modifying instance configurations or data, we recommend that you check the disaster recovery and fault tolerance capabilities of the instances to ensure data security.
  • You can modify the configurations and data of instances including but not limited to Elastic Compute Service (ECS) and Relational Database Service (RDS) instances. Before the modification, we recommend that you create snapshots or enable RDS log backup.
  • If you have authorized or submitted sensitive information such as the logon account and password in the Alibaba Cloud Management Console, we recommend that you modify such information in a timely manner.

How to change the storage space of an apsaradb for MongoDB instance for detailed operation methods, see configuration change Overview. When you change the storage space of an ApsaraDB for MongoDB instance, there is a brief disconnection of about 30 seconds. This brief disconnection does not affect data in the instance.

Instructions for applications in the production environment, we recommend that you use the Connection String URI to connect to the database. This way, the read /write operations of applications are not affected as a result of the primary /secondary node switchover. For more information, see replica Set instance logon instructions.

Application scope

  • ApsaraDB for MongoDB