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Appendix BPostinstallation Configuration Using the ConfigToolAllCommands ScriptB-15
COptimal Flexible ArchitectureOracle Optimal Flexible Architecture (OFA) rules are a set of configuration guidelinescreated to ensure well-organized Oracle installations, which simplifies administration,support and maintenance.•About the Optimal Flexible Architecture StandardOracle Optimal Flexible Architecture (OFA) rules help you to organize databasesoftware and configure databases to allow multiple databases, of different ver‐sions, owned by different users to coexist.•About Multiple Oracle Homes SupportOracle Database supports multiple Oracle homes. You can install this release orearlier releases of the software more than once on the same system, in differentOracle home directories.•About the Oracle Inventory Directory and InstallationThe directory that you designate as the Oracle Inventory directory (oraInventory)stores an inventory of all software installed on the system.•Oracle Base Directory Naming ConventionThe Oracle Base directory is the database home directory for Oracle Database in‐stallation owners, and the log file location for Oracle Grid Infrastructure owners.•Oracle Home Directory Naming ConventionBy default, Oracle Universal Installer configures Oracle home directories usingthese Oracle Optimal Flexible Architecture conventions.•Optimal Flexible Architecture File Path ExamplesReview examples of hierarchical file mappings of an Optimal Flexible Architecture-compliant installation.About the Optimal Flexible Architecture StandardOracle Optimal Flexible Architecture (OFA) rules help you to organize database soft‐ware and configure databases to allow multiple databases, of different versions,owned by different users to coexist.In earlier Oracle Database releases, the OFA rules provided optimal system perform‐ance by isolating fragmentation and minimizing contention. In current releases, OFArules provide consistency in database management and support, and simplifies ex‐panding or adding databases, or adding additional hardware.By default, Oracle Universal Installer places Oracle Database components in directorylocations and with permissions in compliance with OFA rules. Oracle recommends thatyou configure all Oracle components on the installation media in accordance with OFAguidelines.Oracle recommends that you accept the OFA default. Following OFA rules is especial‐ly of value if the database is large, or if you plan to have multiple databases.C-1
Note:OFA assists in identification of an ORACLE_BASE with its Automatic Diag‐nostic Repository (ADR) diagnostic data to properly collect incidents.About Multiple Oracle Homes SupportOracle Database supports multiple Oracle homes. You can install this release or earli‐er releases of the software more than once on the same system, in different Oraclehome directories.