#Prepare oraInst.loc for inventory
vi /etc/oraInst.loc #####put the below line in and comment the other lines
inventory_loc=/lv01/apps/oracle/oracle/oraInventory_XXXXX_11gr2
Refer to:
Master Note For Cloning Oracle Database Server ORACLE_HOME's Using the Oracle Universal Installer (OUI) [ID 1154613.1]
FAQs on RDBMS Oracle Home Cloning Using OUI [ID 565009.1]