Oracle dbstart/dbshut does not do anything

Steps

1. at etc/oratab have the last char as Y and not N
2. Eg

3. orcl:/u01/app/oracle/product/11.2.0/dbhome_1:N

   
   change it to this :
   
   
   

   orcl:/u01/app/oracle/product/11.2.0/dbhome_1:Y