Adding Instance Nodes

Scenarios

This section describes how to add nodes to an instance to suit your service requirements. Nodes added for either a cluster or single-node instance cannot be deleted.

Usage Notes

• Adding nodes may lead to the decrease of OPS. Perform this operation during off-peak hours.
• You can only add nodes when the instance status is Available or Checking restoration.
• An instance cannot be deleted when one or more nodes are being added.
• Currently, this function is only available for cluster and cluster (performance-enhanced) instances.
• Currently, a maximum of 12 nodes are supported. To add more, choose Service Tickets > Create Service Ticket in the upper right corner of the console and contact the customer service.

Method 1

1. Log in to the Huawei Cloud console.
2. In the service list, choose Databases > GeminiDB.
3. On the Instances page, locate the instance that you want to add nodes to and click its name.
4. In the Node Information area on the Basic Information page, click Add Node.
   Figure 1 Adding a node
   

5. Specify Add Nodes and click Next.
   Figure 2 Adding a node
   

   By default, specifications of the new node are the same as the instance specifications and cannot be modified.

6. On the displayed page, confirm the node configuration details.
   • Yearly/Monthly
     • If you need to modify your settings, click Previous.
     • If you do not need to modify your settings, click Next and complete the payment.
   • Pay-per-use
     • If you need to modify your settings, click Previous.
     • If you do not need to modify your settings, click Submit.

7. View the result of adding nodes.
   • When new nodes are being added, the instance status is Adding node.
   • After the nodes are added, the DB instance status becomes Available.
   • Click the instance name. In the Node Information area on the Basic Information page, view the information about the new nodes.

Method 2

1. Log in to the Huawei Cloud console.
2. In the service list, choose Databases > GeminiDB.
3. On the Instances page, locate the instance you want to add nodes for and choose More > Add Node in the Operation column.
   Figure 3 Adding a node
   

4. Specify Add Nodes and click Next.
   Figure 4 Adding a node
   

5. On the displayed page, confirm the node configuration details.
   • Yearly/Monthly
     • If you need to modify your settings, click Previous.
     • If you do not need to modify your settings, click Next and complete the payment.
   • Pay-per-use
     • If you need to modify your settings, click Previous.
     • If you do not need to modify your settings, click Submit.

6. View the result of adding nodes.
   • When new nodes are being added, the instance status is Adding node.
   • After the nodes are added, the DB instance status becomes Available.
   • Click the instance name. In the Node Information area on the Basic Information page, view the information about the new nodes.