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Donald K. Burleson

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Oracle Optimal Flexible Architecture (OFA)

In accordance with Cary V. Millsap of the Oracle National Technical Response Team, the OFA process involves the following three rules:

1. Establish an orderly operating system directory structure in which any database file can be stored on any disk resource.

* Name all devices that might contain Oracle data in such a manner that a wild card or similar mechanism can be used to refer to the collection of devices as a unit.

* Make a directory explicitly for storage of Oracle data at the same level on each of these devices.

* Beneath the Oracle data directory on each device, make a directory for each different Oracle database on the system.

* Put a file X (X is any database file) in the directory /u??/ORACLE/sid/type_desig (or on W2K or NT: C:\oracle\sid\type_desig) if and only if X is a control file, redo log file, or datafile of the Oracle database whose DB_NAME is sid. The type_desig specifies the type of file to be placed in the directory at that location and is usually data, index, control or redo.


This is an excerpt by Mike Ault’s book “Oracle Administration & Management”.  If you want more current Oracle tips by Mike Ault, check out his new book “Mike Ault’s Oracle Internals Monitoring & Tuning Scripts” or Ault’s Oracle Scripts Download.

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