A DDH cluster is a logical group at the availability zone level. You can use a DDH cluster to group and manage DDHs, or specify a cluster when you create instances.

Procedure

In the top menu bar, select the region where your business is located.

Select the "Host cluster" tab, and click the "Create host cluster" button to enter the cluster creation page.

Configure the following parameters.

Parameters

Description

Sample value

Parameters	Description	Sample value
Availability zone	Select the availability zone where the DDHs to be managed are located.	Availability zone A
Cluster name	The name of the DDH cluster.	DDH-Cluster
Add host	Select the hosts to be added on the left. After the hosts are selected, they will automatically appear in the selected hosts list on the right. You can add DDHs of different specifications to the same cluster. You can also add DDHs after a cluster is created.	-

Click the "Confirm" button. The DDH cluster is created as expected.

Subsequent operations

After the DDH cluster is created, you can view cluster information on the cluster list page, including cluster name/ID, availability zone, number of hosts, and resource usage. Click the cluster name to enter the details page. On the "Cluster-associated instances" tab, you can view the instance resources deployed on the hosts associated with the cluster.