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4.2. Managing Cluster Nodes
You can perform the following node-management functions through the luci server component of Conga:
- Make a node leave or join a cluster.
- Fence a node.
- Reboot a node.
- Delete a node.
To perform one the functions in the preceding list, 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 tab.
- At the detailed menu for the cluster (below the menu), click . Clicking causes the display of nodes in the center of the page and causes the display of an element and a element with a list of the nodes already configured in the cluster.
- At the right of each node listed on the page displayed from the preceding step, click the drop-down box. Clicking drop-down box reveals the following selections: /, , , and . The actions of each function are summarized as follows:
- / — is available when a node has joined of a cluster. is available when a node has left a cluster.Selecting shuts down cluster software and makes the node leave the cluster. Making a node leave a cluster prevents the node from automatically joining the cluster when it is rebooted.Selecting starts cluster software and makes the node join the cluster. Making a node join a cluster allows the node to automatically join the cluster when it is rebooted.
- — Selecting this action causes the node to be fenced according to how the node is configured to be fenced.
- — Selecting this action causes the node to be rebooted.
- — Selecting this action causes the node to be deleted from the cluster configuration. It also stops all cluster services on the node, and deletes the
cluster.conffile from/etc/cluster/.
- Select one of the functions and click .
- Clicking causes a progress page to be displayed. When the action is complete, a page is displayed showing the list of nodes for the cluster.
