User manual REDHAT CLUSTER SUITE FOR ENTERPRISE LINUX 4.7 CONFIGURATION

[. . . ] Configuring and Managing a Red Hat Cluster Red Hat Cluster Suite for Red Hat Enterprise Linux 4. 7 Cluster_Administration ISBN: N/A Publication date: July 2008 Configuring and Managing a Red Hat Cluster Configuring and Managing a Red Hat Cluster describes the configuration and management of Red Hat cluster systems for Red Hat Enterprise Linux 4. 7. It does not include information about Red Hat Linux Virtual Servers (LVS). Information about installing and configuring LVS is in a separate document. Configuring and Managing a Red Hat Cluster: Red Hat Cluster Suite for Red Hat Enterprise Linux Copyright © 2008 Red Hat, Inc. Copyright © 2008 Red Hat, Inc. This material may only be distributed subject to the terms and conditions set forth in the Open Publication License, V1. 0 or later with the restrictions noted below (the latest version of the OPL is presently available at http://www. opencontent. org/openpub/). [. . . ] The starting point of the procedure is at the cluster tab (at the Choose a cluster to administer page). At the right of the Cluster Name 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 Restart this cluster. Clicking the drop-down box box reveals all the selections available: Restart this cluster, Stop this cluster/Start this cluster, and Delete this cluster. The actions of each function are summarized as follows: · Restart this cluster -- Selecting this action causes the cluster to be restarted. You can select this action for any state the cluster is in. · Stop this cluster/Start this cluster -- Stop this cluster is available when a cluster is running. Start this cluster is available when a cluster is stopped. Selecting Stop this cluster shuts down cluster software in all cluster nodes. Selecting Start this cluster starts cluster software. Managing Red Hat Cluster With Conga · Delete this cluster -- 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 Go. Clicking Go 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 Restart this cluster and Stop this cluster/Start this cluster -- Displays a page with the list of nodes for the cluster. · For Delete this cluster -- Displays the Choose a cluster to administer page in the cluster tab, showing a list of clusters. 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. · 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 cluster tab. At the detailed menu for the cluster (below the clusters menu), click Nodes. Clicking Nodes causes the display of nodes in the center of the page and causes the display of an Add a Node element and a Configure element with a list of the nodes already configured in the cluster. [. . . ] Manual Fencing Warning Manual fencing is not supported for production environments. Field Name IP Address Login Password Password Script (optional) Description A name for the McData device connected to the cluster. The login name used to access the device. The password used to authenticate the connection to the device. The script that supplies a password for access to the fence device. [. . . ]