Recreate Oracle Inventory

 ls -l  $ORACLE_HOME/oraInst.loc /var/opt/oracle/oraInst.loc

OraDB12Home1

./runInstaller -silent -attachHome ORACLE_HOME="/app/oracle/product/12.2.0.1" ORACLE_HOME_NAME="OraDB12Home1"

$ find . -name installActions*
./cfgtoollogs/oui/installActions2017-08-30_02-21-33PM.log
$ grep -i oracle_home_name ./cfgtoollogs/oui/installActions2017-08-30_02-21-33PM.log
INFO: setting ORACLE_HOME_NAME=OraDB12Home1. A default value was calculated as per oraparam.ini
INFO: Computed ORACLE_HOME_NAME = OraDB12Home1
INFO: Setting the value  for ORACLE_HOME_NAME variable
INFO: Setting variable 'ORACLE_HOME_NAME' to 'OraDB12Home1'. Received the value from the command line.
INFO: Setting the 'OracleHomeName ( ORACLE_HOME_NAME )' property to 'OraDB12Home1'. Received the value from the command line.
INFO: ORACLE_HOME_NAME is not settable, hence not setting the value