Creating A Cluster - Red Hat ENTERPRISE LINUX 4 - ADMINISTRATION Manual

Please, point your web browser to https://nano-01:8084 to access luci
6. At a Web browser, place the URL of the luci server into the URL address box and click Go (or the
equivalent). The URL syntax for the luci server is https://luci_server_hostname:8084.
The first time you access luci, two SSL certificate dialog boxes are displayed. Upon
acknowledging the dialog boxes, your Web browser displays the luci login page.

3.3. Creating A Cluster

Creating a cluster with luci consists of selecting cluster nodes, entering their passwords, and
submitting the request to create a cluster. If the node information and passwords are correct, Conga
automatically installs software into the cluster nodes and starts the cluster. Create a cluster as follows:
1. As administrator of luci, select the cluster tab.
2. Click Create a New Cluster.
3. At the Cluster Name text box, enter a cluster name. The cluster name cannot exceed 15
characters. Add the node name and password for each cluster node. Enter the node name for
each node in the Node Hostname column; enter the root password for each node in the in the
Root Password column. Check the Enable Shared Storage Support checkbox if clustered
storage is required.
4. Click Submit. Clicking Submit causes the the Create a new cluster page to be displayed again,
showing the parameters entered in the preceding step, and Lock Manager parameters. The Lock
Manager parameters consist of the lock manager option buttons, DLM (preferred) and GULM,
and Lock Server text boxes in the GULM lock server properties group box. Configure Lock
Manager parameters for either DLM or GULM as follows:
• For DLM — Click DLM (preferred) or confirm that it is set.
• For GULM — Click GULM or confirm that it is set. At the GULM lock server properties group
box, enter the FQDN or the IP address of each lock server in a Lock Server text box.
Note
You must enter the FQDN or the IP address of one, three, or five GULM lock
servers.
5. Re-enter enter the root password for each node in the in the Root Password column.
6. Click Submit. Clicking Submit causes the following actions:
a. Cluster software packages to be downloaded onto each cluster node.
b. Cluster software to be installed onto each cluster node.
c. Cluster configuration file to be created and propagated to each node in the cluster.
d. Starting the cluster.
Creating A Cluster
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