Oracle 11gR2 silent installation

If get error :

[FATAL] [INS-32038] The operating system group specified for central inventory (oraInventory) ownership is invalid .

Add UNIX_GROUP_NAME=oinstall in response file.

[oracle@test_1A database]$ export INVENTORY_LOCATION=/oravl01/oracle/oraInventory

[oracle@test_1A database]$ ./runInstaller -silent \

> -ignoreSysPrereqs \

> -ignorePrereq \

> -responseFile /oravl01/software/database/response/db_install.rsp \

> ORACLE_BASE=/oravl01/oracle \

> ORACLE_HOME=/oravl01/oracle/11.2.0 \

> ORACLE_HOME_NAME=OraDbHome11202 \

> oracle.install.option=INSTALL_DB_SWONLY \

> oracle.install.db.InstallEdition=EE \

> oracle.install.db.DBA_GROUP=dba \

> oracle.install.db.OPER_GROUP=dba \

> DECLINE_SECURITY_UPDATES=true \

> '-ignoreInternalDriverError'

Starting Oracle Universal Installer...

Checking Temp space: must be greater than 120 MB.   Actual 3661 MB    Passed

Checking swap space: must be greater than 150 MB.   Actual 4095 MB    Passed

Preparing to launch Oracle Universal Installer from /tmp/OraInstall2013-01-08_07-21-07AM. Please wait ...[oracle@test_1A database]$ [WARNING] [INS-32008] Oracle base location cant be same as the user home directory.

   CAUSE: The specified Oracle base is same as the user home directory.

   ACTION: Provide an Oracle base location other than the user home directory.

[WARNING] [INS-32055] The Central Inventory is located in the Oracle base.

   CAUSE: The Central Inventory is located in the Oracle base.

   ACTION: Oracle recommends placing this Central Inventory in a location outside the Oracle base directory.

You can find the log of this install session at:

 /oravl01/oracle/oraInventory/logs/installActions2013-01-08_07-21-07AM.log

The installation of Oracle Database 11g was successful.

Please check '/oravl01/oracle/oraInventory/logs/silentInstall2013-01-08_07-21-07AM.log' for more details.

As a root user, execute the following script(s):

        1. /oravl01/oracle/oraInventory/orainstRoot.sh

        2. /oravl01/oracle/11.2.0/root.sh

Successfully Setup Software.

[oracle@test_1A database]$