This book documents how to administer a complex Oracle 11g RAC environment. It covers new RAC components such as ASM's new features, performance tuning, and troubleshooting. It contains real world examples, expert tips, and troubleshooting advice. This book focuses on Oracle RAC 11g R1 with additional 11g R2 information included. If you are an Oracle DBA who wants to administer Real Application Clusters, then this book is for you. Basic understanding of Oracle DBA is required. No experience of Oracle RAC is required.