Adding nodes using the VCS installer

The VCS installer performs the following tasks:

At the end of the process, the new node joins the VCS cluster.

Note:

If you have configured server-based fencing on the existing cluster, make sure that the CP server does not contain entries for the new node. If the CP server already contains entries for the new node, remove these entries before adding the node to the cluster, otherwise the process may fail with an error.

To add the node to an existing VCS cluster using the VCS installer

  1. Log in as the root user on one of the nodes of the existing cluster.
  2. Run the VCS installer with the -addnode option.
    # cd /opt/VRTS/install
    # ./installvcs -addnode

    The installer displays the copyright message and the location where it stores the temporary installation logs.

  3. Enter the name of a node in the existing VCS cluster. The installer uses the node information to identify the existing cluster.
    Enter a node name in the VCS cluster to which 
    you want to add a node: galaxy
  4. Review and confirm the cluster information.
  5. Enter the name of the systems that you want to add as new nodes to the cluster.
    Enter the system names separated by spaces 
    to add to the cluster: saturn

    The installer checks the installed products and packages on the nodes and discovers the network interfaces.

  6. Enter the name of the network interface that you want to configure as the first private heartbeat link.

    Note:

    The LLT configuration for the new node must be the same as that of the existing cluster. If your existing cluster uses LLT over UDP, the installer asks questions related to LLT over UDP for the new node.

    See Configuring private heartbeat links.

    Enter the NIC for the first private heartbeat 
    link on saturn: [b,q,?] qfe:0
  7. Enter y to configure a second private heartbeat link.

    Note:

    At least two private heartbeat links must be configured for high availability of the cluster.

    Would you like to configure a second private 
    heartbeat link? [y,n,q,b,?] (y)
  8. Enter the name of the network interface that you want to configure as the second private heartbeat link.
    Enter the NIC for the second private heartbeat link 
    on saturn: [b,q,?] qfe:1
  9. Depending on the number of LLT links configured in the existing cluster, configure additional private heartbeat links for the new node.

    The installer verifies the network interface settings and displays the information.

  10. Review and confirm the information.
  11. If you have configured SMTP, SNMP, or the global cluster option in the existing cluster, you are prompted for the NIC information for the new node.
    Enter the NIC for VCS to use on saturn: qfe:2