Understand the server pool concepts in Oracle Real Application Clusters (Oracle RAC) environments.

• Policy-Managed Clusters and Server Pools
  Use policy-based management and server pools features of Oracle Clusterware for effective management of Oracle database and applications.
• Oracle RAC Database and Server Pools
  Oracle RAC databases support two types of server pool management styles and deployment models.
• About Creating Server Pools for Oracle RAC Databases
  You can create server pools either before deploying Oracle RAC database software or while creating an Oracle RAC database using Oracle DBCA.
• Oracle RAC One Node and Server Pools
  Review the following information about Oracle RAC One Node and server pools.