Oracle Database Tips by Donald Burleson

Oracle10g Grid Computing with RAC
Chapter 6 - Install, Configure and Database Creation

Oracle Database Creation

Once the above prerequisites are met, the DBCA program will recognize that you are running in a clustered environment and will provide you the options of configuring the RAC environment. If the proper services are running, the DBCA will automatically provide the required configuration screens.

The DBCA processing steps are:

Step-1

Depending on the type of storage you have chosen, the DBCA will:

• If using Automatic Storage Management (ASM), then the DBCA will initialize the ASM subsystem and then start the ASM instance(s).
   

• If using CFS (Cluster File System), then the DBCA will validate the data file destination to be validly shared across all the nodes that are going to be part of the cluster database.
   

• If using raw devices, then the DBCA will validate the raw device tablespaces sizes and then validate their access permissions.

Step-2

It obtains a variety of inputs from the DBA and then it creates the database.