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Oracle 12cR2 Installation On CentOS-7

 

安裝oracle-database-server-12cR2-preinstall

wget http://public-yum.oracle.com/public-yum-ol7.repo -O /etc/yum.repos.d/public-yum-ol7.repo
wget http://public-yum.oracle.com/RPM-GPG-KEY-oracle-ol7 -O /etc/pki/rpm-gpg/RPM-GPG-KEY-oracle
yum clean all
yum -y update
yum -y groupinstall 'X Window System'
yum -y install oracle-database-server-12cR2-preinstall

建立Oracle安裝目錄

mkdir -p /u01/app/oracle/product/12.2.0.1/db_1
chown -R oracle:oinstall /u01
chmod -R 775 /u01

建立oracle環境變量配置文件

mkdir /home/oracle/scripts

cat > /home/oracle/scripts/setEnv.sh <<EOF
# Oracle Settings
export TMP=/tmp
export TMPDIR=\$TMP

export ORACLE_HOSTNAME=ol7-122.localdomain
export ORACLE_UNQNAME=cdb1
export ORACLE_BASE=/u01/app/oracle
export ORACLE_HOME=\$ORACLE_BASE/product/12.2.0.1/db_1
export ORACLE_SID=cdb1

export PATH=/usr/sbin:/usr/local/bin:\$PATH
export PATH=\$ORACLE_HOME/bin:\$PATH

export LD_LIBRARY_PATH=\$ORACLE_HOME/lib:/lib:/usr/lib
export CLASSPATH=\$ORACLE_HOME/jlib:\$ORACLE_HOME/rdbms/jlib
EOF

echo ". /home/oracle/scripts/setEnv.sh" >> /home/oracle/.bash_profile

建立Oracle啓動腳本，放在 /home/oracle/scripts/dbora.sh：

#!/bin/bash

. /home/oracle/scripts/setEnv.sh
export ORAENV_ASK=NO
. oraenv
export ORAENV_ASK=YES

startup_log=/home/oracle/scripts/startup.log
shutdown_log=/home/oracle/scripts/shutdown.log

function oracle_start(){
    # Start the Oracle databases:
    echo "-------------------------------------------------"
    date +" %T %a %D : Starting Oracle Databases as part of system up."
    echo "-------------------------------------------------"
    ${ORACLE_HOME}/bin/sqlplus /nolog << EOF
    conn / as sysdba
    startup
    alter pluggable database all open;
    exit
EOF
    echo "Done."

    # Start the Listener:
    echo "-------------------------------------------------"
    date +" %T %a %D : Starting Oracle Listeners as part of system up."
    echo "-------------------------------------------------"
    ${ORACLE_HOME}/bin/lsnrctl start 
    echo "Done." 
    echo "-------------------------------------------------" 
    date +" %T %a %D : Finished."
    echo "-------------------------------------------------"
}

function oracle_stop(){
    # Stop the Oracle Listener:
    echo "-------------------------------------------------"
    date +" %T %a %D : Stoping Oracle Listener as part of system down." 
    echo "-------------------------------------------------"
    ${ORACLE_HOME}/bin/lsnrctl stop 
    echo "Done."
   
    # Stop the Oracle Database:
    echo "-------------------------------------------------" 
    date +" %T %a %D : Stoping Oracle Databases as part of system down." 
    echo "-------------------------------------------------"
    ${ORACLE_HOME}/bin/sqlplus /nolog << EOF
    conn / as sysdba
    alter pluggable database all close immediate;
    shutdown immediate
    exit
EOF
    echo "Done." 
    echo ""
    echo "-------------------------------------------------"
    date +" %T %a %D : Finished."
    echo "-------------------------------------------------" 
        

}

case "$1" in
start)
    echo "Starting Oracle Databases ... "
    oracle_start >> $startup_log
    echo "Oracle Started Successfully."
    ;;
stop)
    echo "Stoping Oracle Databases ... "
    oracle_stop >> $shutdown_log
    echo "Oracle Stopped."
    ;;
restart)
    echo "Restarting Oracle Databases ... "
    oracle_stop >> $shutdown_log
    oracle_start >> $startup_log
    echo " Oracle Restarted."
    ;;
status)
    ${ORACLE_HOME}/bin/lsnrctl status
    ;;
*)
    echo "Usage: $(basename $0) {start|strop|restart|status}"
    exit 1
esac

exit 0

調整腳本文件權限：

chown -R oracle.oinstall /home/oracle/scripts
chmod u+x /home/oracle/scripts/*.sh

編寫 systemd.service 服務腳本，在 /etc/systemd/system/oracle.service：

[Unit]
Description=Oracle Service
After=network.target
After=syslog.target

[Service]
User=oracle
Group=dba
Type=oneshot
ExecStart=/home/oracle/scripts/dbora.sh start
ExecReload=/home/oracle/scripts/dbora.sh restart
ExecStop=/home/oracle/scripts/dbora.sh stop
RemainAfterExit=yes

[Install]
WantedBy=multi-user.target

以root用戶執行：systemctl enable oracle.service
完成後便可啓動Oracle Universal Installations (OUI)