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Adding nodes to the cluster

After a cluster is created, you can expand it by adding nodes to it. You add only one node at a time.

Before you begin

About this task

Nodes must be in even numbers so that they can form HA pairs. After you start to add a node to the cluster, you must complete the process. The node must be part of the cluster before you can start to add another node.

Steps

  1. Power on the node that you want to add to the cluster.
    The node boots, and the Node Setup wizard starts on the console.
    Welcome to node setup.
    
    You can enter the following commands at any time:
      "help" or "?" - if you want to have a question clarified,
      "back" - if you want to change previously answered questions, and
      "exit" or "quit" - if you want to quit the setup wizard.
         Any changes you made before quitting will be saved.
    
    To accept a default or omit a question, do not enter a value.
    
    
    
    Enter the node management interface port [e0c]:
  2. Exit the Node Setup wizard: exit
    The Node Setup wizard exits, and a login prompt appears, warning that you have not completed the setup tasks.
  3. Log in to the admin account by using the admin user name.
  4. Start the Cluster Setup wizard: cluster setup
    ::> cluster setup
    
    Welcome to the cluster setup wizard.
    
    You can enter the following commands at any time:
     "help" or "?" - if you want to have a question clarified,
     "back" - if you want to change previously answered questions, and
     "exit" or "quit" - if you want to quit the cluster setup wizard.
     Any changes you made before quitting will be saved.
    
    You can return to cluster setup at any time by typing "cluster setup".
    To accept a default or omit a question, do not enter a value.
    
    
    Do you want to create a new cluster or join an existing cluster? 
    {create, join}:
  5. Join the node to the cluster: join
  6. Follow the prompts to set up the node and join it to the cluster:
    • To accept the default value for a prompt, press Enter.
    • To enter your own value for a prompt, enter the value, and then press Enter.
  7. Repeat the preceding steps for each additional node that you want to add.

After you finish

After adding nodes to the cluster, you should enable storage failover for each HA pair.