Oracle RAC Tutorial | Oracle RAC Architecture | Mindmajix

This tutorial gives you an overview and talks about the fundamentals of Oracle RAC . Oracle Real Application Clusters ( Oracle RAC ) is a clustered version of Oracle Database based on a comprehensive high-availability stack that can be used as the foundation of a database cloud system as well as a shared infrastructure, ensuring high availability, scalability, and agility for any application. RAC ARCHITECTURE Oracle Real Application clusters allows multiple instances to access a single database, the instances will be running on multiple nodes. In an standard Oracle configuration a database can only be mounted by one instance but in a RAC environment many instances can access a single database. Oracle’s RAC is heavy dependent on a efficient, high reliable high speed private network called the interconnect, make sure when designing a RAC system that you get the best that you can afford. RAC COMPONENTS The major components of a Oracle RAC system are S...