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Oracle® Database Oracle Clusterware and Oracle Real Application Clusters Installation Guide
10g Release 2 (10.2) for AIX

Part Number B14201-01
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E Directory Structure for Oracle Database 10g Oracle Real Application Clusters Environments

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

E.1 Understanding the Real Application Clusters Directory Structure

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


See Also:

Oracle Database Oracle Clusterware and Oracle Real Application Clusters Administration and Deployment Guide for further information about the $ORACLE_HOME and /admin directories

E.2 Directory Structures for Real Application Clusters

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

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

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






/u01/app/oracle

The default ORACLE_BASE directory.



ORACLE_HOME




/product/10.2.0

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





/u01/crs/oracle/product/10.2.0/app

The default name of the Oracle Clusterware home. After you install the software, you must change the permissions of all of the parent directories of the Oracle Clusterware home directory to grant write access only to the root user. Because of this, the Oracle Clusterware home directory must not be a subdirectory of the 10g Release 2 (10.2) Oracle base directory.





/bin


Subtree for Oracle binaries.




/network


Subtree for Oracle Net.


See Also:

Oracle Database Administrator's Reference 10g Release 2 (10.2) for further information about the $ORACLE_HOME and /admin directories