My Service Name = orainfra
Oracle script = /home/oracle/scripts/dbstart


My Service Script /etc/init.d/orainfra
======================================

#!/bin/bash
#
# chkconfig: 35 98 11   
# description: Starts and stops OracleAS Metadata Repository
#
# Set ORA_OWNER to the user id of the owner of the
# Oracle database in ORA_HOME.
#
USR_HOME=/home/oracle
ORA_HOME=/u01/oracle/as/10.1.2/infra
ORA_OWNER=oracle

echo $1 > /home/oracle/orainfra.log

case "$1" in
  'start')
     echo "Levanta la base de datos del Metadata Repository" > /home/oracle/orainfra.log 2>&1
     su - $ORA_OWNER -c "$USR_HOME/scripts/dbstart" > /home/oracle/dbstart1.log 2>&1
     touch /var/lock/subsys/orainfra
     ;;
  'stop')
     # Baja la base de datos del Metadata Repository
     su - $ORA_OWNER -c "/home/oracle/scripts/infrastop"     
     su - $ORA_OWNER -c "/home/oracle/scripts/dbshut"
     rm -f /var/lock/subsys/orainfra
     ;;
  'status')
     # Muestra status de servicios
     su - $ORA_OWNER -c "/home/oracle/scripts/dbstatus"
     su - $ORA_OWNER -c "/home/oracle/scripts/infrastatus"
     ;;
esac
# End of script orainfra


Oracle Script /home/oracle/scripts/dbstart
==========================================

#!/bin/bash

echo "dbstart" > /home/oracle/dbstart2.log 

ORACLE_SID=orcl
export ORACLE_SID

ORACLE_HOME=/u01/oracle/as/10.1.2/infra
export ORACLE_HOME

PATH=/usr/bin:/usr/sbin:/usr/kerberos/bin:/usr/local/bin:/bin:/usr/bin:/usr/X11R6/bin:$ORACLE_HOME/bin:$PATH:.
export PATH

HOME=/home/oracle
export HOME

$ORACLE_HOME/bin/sqlplus /nolog @$HOME/scripts/dbstart.sql > /home/oracle/dbstart2.log 2>&1