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Oracle Inventory tips

Oracle Database Tips by Donald BurlesonJuly 4, 2015


Question:  What are the location rules for the Oracle inventory files and how does the Oracle Universal installer find the inventory?  Can we change the inventory location?


Answer:  The Oracle Universal Installer (OIU) stores information about all Oracle products that are installed in all Oracle homes on a server, provided that the product was installed using OUI or with the oraInst command.

Inventory information is stored in Extensible Markup Language (XML) format. By default, the OUI inventory is located in a series of directories within the following directories:

Oracle Inventory locations


  • Windows:  /Program Files/Oracle/Inventory

  • Linux/UNIX:  $ORACLE_BASE/oraInventory

On the Windows platform, OUI first queries the registry to see if the following Oracle home setting is present:

HKEY_LOCAL_MACHINE ==> Software ==> Oracle ==> inst_loc


One common question s whether local inventory always reside inside $ORACLE_BASE?

You can change it, there is a parameter in /etc (or /var/opt/oracle)

cat /var/opt/oracle/oraInst.loc

inventory_loc=/u01/app/oracle/oraInventory inst_group=oinstall



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Note: This Oracle documentation was created as a support and Oracle training reference for use by our DBA performance tuning consulting professionals.  Feel free to ask questions on our Oracle forum.

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