Introduction to Oracle Real Application Clusters ( RAC) | Oracle RAC Tutorials
All database instances must use the same interconnect, which can also be used by Oracle Clusterware. Because Oracle RAC databases use a shared everything architecture, Oracle RAC requires cluster-aware storage for all database files. This is the recommended solution to manage your disk. Oracle RAC database system involves a configuration of multiple hosts or servers joined together with clustering software and accessing the shared disk storage structures. On each of the hosts in the cluster, an Oracle Database instance is launched that uses the shared storage structures to provide the logical database objects. Thus, the multiple database instances provide a common database access for the users. Users can access the same database from any of the instances Introduction to Oracle Real Application Clusters A cluster comprises multiple interconnected computers or servers that appear as if they are one server to end users and applications. Oracle RAC enables you to cluster Orac