Optimal Flexible Architecture
Oracle consultants working at large Oracle sites created (out of necessity) a comprehensive
set of standards for database directory structures and filenames prior to
Oracle??™s introduction of more automated installation procedures. This set of standards
is called An Optimal Flexible Architecture for a Growing Oracle Database or, as
it is lovingly known in the Oracle community, the OFA. For example, the OFA provides
a clear set of standards for handling multiple databases and multiple versions
of Oracle if deployed on the same machine. It includes recommendations for mount
points, directory structures, filenames, and scripting techniques. Anyone who knows
the OFA can navigate an Oracle environment to quickly find the software and files
used for the database and the instance. This standardization increased productivity
and avoided errors.
Since Oracle7 releases, the OFA standards are embedded in the Oracle installer. System
administrators and database administrators working with Oracle will find
understanding the OFA worthwhile, even if your Oracle system is already installed.
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