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Oracle® Real Application Clusters Installation and Configuration Guide
10g Release 1 (10.1) for AIX-Based Systems, hp HP-UX PA-RISC (64-bit), hp Tru64 UNIX, Linux, Solaris Operating System (SPARC 64-bit), and Windows (32-bit) Platforms

Part Number B10766-02
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E Directory Structure for Oracle Database 10g Real Application Clusters Environments

This appendix describes the directory structures for Real Application Clusters (RAC) software environments. The topics in this appendix are:

Understanding the Real Application Clusters Directory Structure

When you install Oracle Database 10g with RAC, all subdirectories are under a top-level ORACLE_BASE. The ORACLE_HOME and admin directories are also located under ORACLE_BASE.

UNIX Directory Structures for Real Application Clusters

Table E-1 shows the hierarchical directory tree of a sample OFA-compliant database for RAC on UNIX-based systems:

Table E-1 Directory Structure for A Sample OFA-Compliant UNIX Environment

Root Second-Level Third-Level Fourth-Level Fifth-Level
$ORACLE_BASE






/u01/app/oracle

The default ORACLE_BASE directory.



ORACLE_HOME




/product/10.1

The default name of the Oracle home.


/admin

Administrative directory.


/db_unique_name
Database unique name, the same as dbname when database name is eight or fewer characters in length.



/bdump

/cdump

/hdump

/pfile

/udump

Dump destinations for database server.


CRS Home




/crs/10.1

The default name of the CRS home.





/bin


Subtree for Oracle binaries.




/network


Subtree for Oracle Net.

See Also:

Oracle Database 10g Administrator's Reference Release 1 (10.0) for UNIX Systems: AIX-Based Systems, HP-UX, HP Tru64 UNIX, Linux, and Solaris Operating System (SPARC) for further information about the $ORACLE_HOME and /admin directories

Windows Directory Structures for Real Application Clusters

Table E-2 shows the hierarchical directory tree of a sample OFA-compliant database for RAC on Windows-based systems:

Table E-2 Directory Structure for A Sample OFA-Compliant Windows Environment

Root Second-Level Third-Level Fourth-Level Fifth-Level
x:\oracle_base






c:\oracle

The default ORACLE_BASE directory.



\%ORACLE_HOME%




\ora10.1

The name of the Oracle home by default.



\%ORA_CRS_HOME%




\crs10.1

The name of the CRS home by default.





\bin


Subtree for Oracle binaries.




\network


Subtree for Oracle Net configuration files, including tnsnames.ora, listener.ora and sqlnet.ora.




\srvm


\admin subdirectory.






\admin
The RAC script clustdb.sql and initialization parameter files for database creation




\database


A directory from previous releases containing initialization files pointing to the new directory location for parameter files: ORACLE_BASE\admin\db_name\pfile.


\admin




Subtree for RAC database administration files




\db_name


db_name database administration files for the instance identified by sid.






\adhoc
Ad hoc SQL scripts.






\adump
Audit files.






\arch
Archived redo log files.






\bdump
Background process trace files.






\cdump
Core dump files.






\create
Programs used to create the database.






\exp
Database export files






\pfile
Initialization parameter files






\udump
User SQL trace files