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Chapter 4. Managing Red Hat Cluster With Conga
This chapter describes various administrative tasks for managing a Red Hat Cluster and consists of the following sections:
4.1. Starting, Stopping, and Deleting Clusters
You can perform the following cluster-management functions through the luci server component of Conga:
- Restart a cluster.
- Start a cluster.
- Stop a cluster.
- Delete a cluster.
To perform one of the functions in the preceding list, follow the steps in this section. The starting point of the procedure is at the tab (at the Choose a cluster to administer page).
- At the right of the for each cluster listed on the Choose a cluster to administer page is a drop-down box. By default, the drop-down box is set to . Clicking the drop-down box box reveals all the selections available: , /, and . The actions of each function are summarized as follows:
- — Selecting this action causes the cluster to be restarted. You can select this action for any state the cluster is in.
- / — is available when a cluster is running. is available when a cluster is stopped.Selecting shuts down cluster software in all cluster nodes.Selecting starts cluster software.
- — Selecting this action halts a running cluster, disables cluster software from starting automatically, and removes the cluster configuration file from each node. You can select this action for any state the cluster is in. Deleting a cluster frees each node in the cluster for use in another 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 either of the following pages according to the action selected:
- For and / — Displays a page with the list of nodes for the cluster.
- For — Displays the Choose a cluster to administer page in the tab, showing a list of clusters.
