Chapter 2. RAC Concepts

Chapter 1 provided an introduction to Real Application Clusters; in this chapter, we will move on to discuss the concepts behind RAC in more detail. The topics introduced in this chapter form the basis of a successful implementation of a stable and highly available RAC environment.

We will begin with a look at cluster concepts in general, and then see which of them are available in RAC. Next, we will introduce the cluster layer foundation itself—Oracle Grid Infrastructure—before taking a closer look at the clustered database. Towards the end of this chapter, we will introduce some of the more interesting 11 g Release 2 features from a RAC database administrator's point of view.

There is a lot of important information to be ...

Get Pro Oracle Database 11g RAC on Linux now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.