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Create a init Script2011/03/29
  Create a init Script to make Oracle start automatically on system booting.
[1] Change like folows first.
[root@db01 ~]#
vi /etc/oratab


# This file is used by ORACLE utilities. It is created by root.sh
# and updated by the Database Configuration Assistant when creating
# a database.

# A colon, ':', is used as the field terminator. A new line terminates
# the entry. Lines beginning with a pound sign, '#', are comments.
#
# Entries are of the form:
# $ORACLE_SID:$ORACLE_HOME:<N|Y>:
#
# The first and second fields are the system identifier and home
# directory of the database respectively. The third filed indicates
# to the dbstart utility that the database should , "Y", or should not,
# "N", be brought up at system boot time.
#
# Multiple entries with the same $ORACLE_SID are not allowed.
#
#
db01:/usr/oracle/app/product/11.2.0/dbhome_1:
Y
  
# change


[root@db01 ~]#
vi /usr/oracle/.bash_profile


# add your SID at the last line

export ORACLE_SID=db01
[2] Create a init Script
[root@db01 ~]#
vi /etc/rc.d/init.d/oracle


# this is an example

#!/bin/bash

# oracle:
Start/Stop Oracle Database 11g R2

#
# chkconfig:
345 90 10

# description:
The Oracle Database is an Object-Relational Database Management System.

#
# processname:
oracle


. /etc/rc.d/init.d/functions

LOCKFILE=/var/lock/subsys/oracle
ORACLE_HOME=/usr/oracle/app/product/11.2.0/dbhome_1
ORACLE_USER=oracle

case "$1" in
'start')
if [ -f $LOCKFILE ]; then

echo $0 already running.

exit 1

fi

echo -n $"Starting Oracle Database:"

su - $ORACLE_USER -c "$ORACLE_HOME/bin/lsnrctl start"

su - $ORACLE_USER -c "$ORACLE_HOME/bin/dbstart $ORACLE_HOME"

su - $ORACLE_USER -c "$ORACLE_HOME/bin/emctl start dbconsole"

touch $LOCKFILE

;;

'stop')
if [ ! -f $LOCKFILE ]; then

echo $0 already stopping.

exit 1

fi

echo -n $"Stopping Oracle Database:"

su - $ORACLE_USER -c "$ORACLE_HOME/bin/lsnrctl stop"

su - $ORACLE_USER -c "$ORACLE_HOME/bin/dbshut"

su - $ORACLE_USER -c "$ORACLE_HOME/bin/emctl stop dbconsole"

rm -f $LOCKFILE

;;

'restart')
$0 stop

$0 start

;;

'status')
if [ -f $LOCKFILE ]; then

echo $0 started.

else

echo $0 stopped.

fi

;;

*)
echo "Usage: $0 [start|stop|status]"

exit 1

esac

exit 0


[root@db01 ~]#
chmod 755 /etc/rc.d/init.d/oracle

[root@db01 ~]#
/etc/rc.d/init.d/oracle start

Starting Oracle Database:
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 30-MAR-2011 22:40:02

Copyright (c) 1991, 2009, Oracle. All rights reserved.

Starting /usr/oracle/app/product/11.2.0/dbhome_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 11.2.0.1.0 - Production
System parameter file is /usr/oracle/app/product/11.2.0/dbhome_1/network/admin/listener.ora
Log messages written to /usr/oracle/app/diag/tnslsnr/db01/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=db01.srv.world)(PORT=1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=db01.srv.world)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias
LISTENER

Version
TNSLSNR for Linux: Version 11.2.0.1.0 - Production

Start Date
30-MAR-2011 22:40:02

Uptime
0 days 0 hr. 0 min. 0 sec

Trace Level
off

Security
ON: Local OS Authentication

SNMP
OFF

Listener Parameter File
/usr/oracle/app/product/11.2.0/dbhome_1/network/admin/listener.ora

Listener Log File
/usr/oracle/app/diag/tnslsnr/db01/listener/alert/log.xml

Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=db01.srv.world)(PORT=1521)))
The listener supports no services
The command completed successfully
Processing Database instance "db01": log file /usr/oracle/app/product/11.2.0/dbhome_1/startup.log
Oracle Enterprise Manager 11g Database Control Release 11.2.0.1.0
Copyright (c) 1996, 2009 Oracle Corporation. All rights reserved.
https://db01.srv.world:1158/em/console/aboutApplication
Starting Oracle Enterprise Manager 11g Database Control .......... started.
------------------------------------------------------------------
Logs are generated in directory /usr/oracle/app/product/11.2.0/dbhome_1/db01.srv.world_db01/sysman/log

[root@db01 ~]#
chkconfig --add oracle

[root@db01 ~]#
chkconfig oracle on
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