runInstaller -invPtrLoc option

Enterprise Manager Grid Control 10g 를 다른 유저로 설치하려고

./runInstaller 를 실행함.
아래의 오류발생함.
You do not have sufficient permissions to access the inventory '/oracle/app/oracle/oraInventory/oui.loc
'. Installation cannot continue. Make sure that you have read/write permissions to the inventory direct
ory and restart the installer.: Permission denied

기존에 사용했던 oracle8i 를 설치하면서 사용했던 인벤토리정보다.
/var/opt/oracle/oraInst.loc
$cat oraInst.loc
inventory_loc=/oracle/app/oracle/oraInventory
inst_group=dba

새로 설치하려는 product의 인벤토리를 따로 관리하고 싶다면.
예>
mkdir -p /home2/app/product/emc/oraInventory
vi oraInst.loc
inventory_loc=/home2/app/product/emc/oraInventory

./runInstaller -invPtrLoc /home2/app/product/emc/oraInventory/oraInst.loc