Scenario
In the DDS, you can create multiple AZs for cluster instances. Multiple availability zones provide a higher disaster recovery capability to cope with machine room-level faults.
In the DDS, you currently can only create multiple AZs in some regions. The display in the console shall prevail.
Procedure
Log in to the DDS management console.
Click Create Instance in the upper left corner of the page to go to the instance ordering page.
Locate the Availability Zone option in the Basic Configuration section on the instance ordering page to assign the availability zone for each node of the instance.
You can select different availability zones for the active node and standby node to implement disaster recovery across availability zones.
For other configuration items, see the type Ⅰ resource pool in DDS - Getting Started - Creating a DDS Instance.
Confirm the order and make payment as instructed.