You must have all the required IP addresses and hostnames before you begin the installation process. This section provides information about these requirements.
You must set up a number of IP addresses for various Geographic Edition components, depending on your cluster configuration. Observe the following guidelines:
You must have an IP address for the cluster name and for each cluster node.
Some components require IP addresses. See Public-Network IP Addresses in Oracle Solaris Cluster 4.3 Software Installation Guide for a list. Add these IP addresses to any naming services that are used. Also add these IP addresses to the local /etc/inet/hosts file on each cluster node after you install Oracle Solaris software.
You might also need additional IP addresses for data replication products. For more information about requirements for configuring data replication, see the Geographic Edition manual for your data replication product.
Note the following requirements for hostnames:
Logical hostname – Because the Geographic Edition framework creates the logical hostname by using the cluster name, a cluster name must be suitable as a hostname, and must be in the naming system.
Unique cluster name – Cluster names must be unique. For example, if you have a cluster wholly within the domain .france, you can use hostnames like paris and grenoble. However, if you have a cross-domain cluster, you must specify the hostnames with enough qualification to identify the host on the network. For example:
You can link paris and munich with hostnames paris.france and munich.germany, and the cluster names remain paris and munich.
You cannot create a partnership between clusters paris.france and paris.texas because of a collision on the cluster name paris.