After successfully configuring the hardware and software, and ensuring that the prerequisites for Oracle Clusterware are met, we shall proceed with the actual Clusterware installation. The OUI installer has changed since version 11gR1. We can still use it as in Oracle 11gR1 and we can benefit from the enhancements to the ssh configuration abilities to have failed prerequisites check fixed. Instead, an uninstall utility is provided for uninstalling already installed products. In Oracle 11gR2, OUI does not perform an uninstall operation as in Oracle 11gR1. We will need to complete the following steps for the installation process of the Oracle grid (Clusterware for version 11gR2).
Single Client Access Name is a new RAC 11g Release 2 feature that provides a single name for clients to access an Oracle Database running in a cluster. SCAN provides load balancing and failover of client connections to the database. Clients using SCAN do not need to change if you...