ORACLE REAL APPLICATION CLUSTER

I. INTRODUCTION

The Oracle Real Application Clusters (RAC) is the solution for database running on many servers but provide a single database service, transparent to applications, by storing database on a shared storage. RAC provide the high availabity of database incase one server failure or has to be shutdown. RAC is easy to expand and cost saving.

Oracle Real Application Features:
+ Multi instances, each instance run on a server

+ All instances share a physic database

+ All instances have the same database and control file

+ Each instance has logfile and undo segment

+ All instances communicate with each other through interconnect and cache-fusion.

II. FEATURES AND BENEFITS

High availability for database system.

Load balance on servers.

Expandable.

Utilizing rerourse, cost saving.

Easy and centric management.

ORACLE REAL APPLICATION CLUSTER

Typical Clients