Error when running fter 11.g2 standalone rac installation

After completing the installation, when running root.sh , I get error:

[root@vmorarac1 oracle]# ./root.sh

Running Oracle 11g root.sh script...

 

The following environment variables are set as:

    ORACLE_OWNER= oracle

    ORACLE_HOME=  /u01/app/11.2/oracle

 

Enter the full pathname of the local bin directory: [/usr/local/bin]:

The file "dbhome" already exists in /usr/local/bin.  Overwrite it? (y/n)

[n]: y

   Copying dbhome to /usr/local/bin ...

The file "oraenv" already exists in /usr/local/bin.  Overwrite it? (y/n)

[n]: y

   Copying oraenv to /usr/local/bin ...

The file "coraenv" already exists in /usr/local/bin.  Overwrite it? (y/n)