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3.6.2. Adding a Member to a Running Cluster

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To add a member to a running cluster, follow the steps in this section. The starting point of the procedure is at the cluster-specific page that you navigate to from Choose a cluster to administer displayed on the cluster tab.
  1. At the detailed menu for the cluster (below the clusters menu), click Nodes. Clicking Nodes causes the display of an Add a Node element and a Configure element with a list of the nodes already configured in the cluster. (In addition, a list of the cluster nodes is displayed in the center of the page.)
  2. Click Add a Node. Clicking Add a Node causes the display of the Add a node to cluster name page.
  3. At that page, enter the node name in the Node Hostname text box; enter the root password in the Root Password text box. Check the Enable Shared Storage Support checkbox if clustered storage is required. If you want to add more nodes, click Add another entry and enter node name and password for the each additional node.
  4. Click Submit. Clicking Submit causes the following actions:
    1. Cluster software packages to be downloaded onto the added node.
    2. Cluster software to be installed (or verification that the appropriate software packages are installed) onto the added node.
    3. Cluster configuration file to be updated and propagated to each node in the cluster — including the added node.
    4. Joining the added node to cluster.
    A progress page shows the progress of those actions for each added node.
  5. When the process of adding a node is complete, a page is displayed providing a configuration interface for the cluster.
  6. At the detailed menu for the cluster (below the clusters menu), click Nodes. Clicking Nodes causes the following displays:
    • A list of cluster nodes in the center of the page
    • The Add a Node element and the Configure element with a list of the nodes configured in the cluster at the detailed menu for the cluster (below the clusters menu)
  7. Click the link for an added node at either the list in the center of the page or in the list in the detailed menu under the clusters menu. Clicking the link for the added node causes a page to be displayed for that link showing how that node is configured.
  8. At the bottom of the page, under Main Fencing Method, click Add a fence device to this level.
  9. Select a fence device and provide parameters for the fence device (for example port number).

    Note

    You can choose from an existing fence device or create a new fence device.
  10. Click Update main fence properties and wait for the change to take effect.
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