Before creating a tenant and database, a cluster is required. This requires that you have an Alibaba Cloud account. If you have not registered an Alibaba Cloud account, please go to the Alibaba Cloud Console and click the Sign Up button in the upper right corner of the page to register.
Go to ApsaraDB for OceanBase Console and log in.
In the left navigation pane, clicking Cluster List to access cluster page.
Clicking Create Cluster button on the page.
Configure the parameters that are described in the following table：
|Basic configuration||Region||The region where the cluster resides. You cannot change the region after you confirm your purchase order.|
|Node Specification||All nodes in the ApsaraDB for OceanBase cluster are hosted on dedicated instances. The node specifications represent the CPU and Memory allocated to the instance. A cluster contains 1 primary node and 2 secondary nodes.|
|Purchase plan||Version||The version of ApsaraDB for OceanBase. The default version is V2.0.|
|Duration||The number of months.|