Prerequisites
You have logged in to the DDM console.
Scenarios
After you change your data nodes, for example, adding or deleting a read replica, changing the connection address, port number, or security group, you need to click Synchronize Data Node Information to synchronize the change to your DDM instance.
Procedure
- In the instance list, locate the DDM instance whose data node changes you want to synchronize.
- Choose Data Nodes in the left navigation pane and click Synchronize Data Node Information.
- Wait till a message is returned, indicating that the request to synchronize data node information is submitted.