Disable Oracle Label Security (OLS) 11gR1

Check Oracle Label Security OLS Status
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SELECT * FROM V$OPTION WHERE PARAMETER = 'Oracle Label Security';

Disable Oracle Label Security OLS
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sqlplus sys as sysoper
Enter password: password

SQL> SHUTDOWN IMMEDIATE
SQL> EXIT

$ emctl stop dbconsole
$ lsnrctl stop [listener_name]

cd $ORACLE_HOME/rdbms/lib
make -f ins_rdbms.mk lbac_off
cd $ORACLE_HOME/bin
relink all