Create a main cluster instance

On the top navigation bar, click Cloud Services, and then select Multi-Cloud Container Management from the Container Service menu.

From the left navigation pane, select Main Cluster Instance Management.

Click Add Instance.

Configure the parameters as described in "Parameters."

Click Create.

Parameters

Parameter		Description
Basic Info	Instance Name	Enter a name for the instance.
	Version	In the current software version, only version 1.2 is supported.
	Description	Enter a description for the instance.
Basic Settings	Architecture	Only the x86 architecture is supported.
	OS	In the current software version, only the H3Linux operation system is supported.
	Compute AZ	Select a compute availability zone. You can click Create AZ to create new availability zones. For more information, see compute AZ management in resource management guide.
	Cluster VIP	Enable or disable cluster VIP as needed. Cluster VIP requires that the IP address and MAC address of the node are not bound. In the current software version, you can enable cluster VIP only for classic networks. After enabling cluster VIP, you must configure the cluster management network VIP.
	Cluster Management Network Type	Select a network type for the management network of the main cluster instance. You can click Create Classic Network or Create VPC to create new classic networks or VPCs. For more information, see classic network management or VPC management in cloud service guide.
	Cluster Management Network VIP	Configure this parameter when cluster VIP is enabled. The IP address must be an unused IP address in a subnet of the selected classic network.
	Dual-NIC	Enable dual-NIC to separate the management network and service network. In the current software version, you can enable dual-NIC only for classic networks. The service network type is classic network by default.
	Classic Network	Select a classic network as the cluster service network when dual-NIC is enabled. You can click Create Classic Network to create new classic networks.
	Cluster Service Network VIP	Configure this parameter when dual-NIC is enabled. The IP address must be an unused IP address in a subnet of the selected classic network.
	Enable Failover	When the failover feature is enabled, you can select a backup cluster when creating a Deployment. When the primary cluster fails, the backup cluster will take over to run applications.
Node Settings	Controller node flavor	Node Quantity: A single-node cluster cannot provide high availability. As a best practice, use three nodes. CPU/Memory: Configure the CPU and memory sizes. System Disk: Configure the system disk size.