1. Oracle安裝部署文檔


一. 部署環境步驟

1.1 軟件環境

操作系統:CentOS release 6.5
oracle安裝包:linux.x64_11gR2_database_1of1.zip;linux.x64_11gR2_database_1of2.zip

1.2 配置主機名

# vim /etc/sysconfig/network
HOSTNAME= oracle235
# 或者執行 hostname oracle235

1.3 配置網絡

# vim /etc/hosts
192.168.1.235 oracle235

1.4 配置系統內核參數

  配置 /etc/sysctl.conf :添加如下內容:

fs.aio-max-nr = 1048576
fs.file-max = 6815744
kernel.shmmni = 4096
kernel.sem = 250 32000 100 128
net.ipv4.ip_local_port_range = 9000 65500
net.core.rmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_default = 262144
net.core.wmem_max = 1048586

  注意上述參數中,需要根據實際情況修改 kernel.shmmax 參數的值,可以直接設置為物理內存大小。
  執行命令使之生效: 

# /sbin/sysctl -p

1.5 設置 Shell對Oracle用戶的限制

  配置 /etc/security/limits.conf 文件:增加如下內容

oracle      soft  nproc  2047
oracle      hard  nproc  16384
oracle      soft  nofile 2047
oracle      hard  nofile 65536

  接着,修改 /etc/pam.d/login,在文件最后添加如下內容:

session required /lib64/security/pam_limits.so

  最后,修改 /etc/profile,在文件最后添加如下內容

if [ $USER = "oracle" ]; then
    if [ $SHELL = "/bin/ksh" ]; then
       ulimit -p 16384
       ulimit -n 65536
    else
       ulimit -u 16384 -n 65536
    fi
fi

  所有修改完畢,重啟所有 Linux 系統

1.6 創建grid/Oracle用戶和組

# /usr/sbin/groupadd oinstall
# /usr/sbin/groupadd dba
# /usr/sbin/groupadd oper
# /usr/sbin/useradd -g oinstall -G dba,oper oracle
# passwd oracle

  創建 oracle 軟件安裝目錄

# mkdir -p /u01/oraInventory
# chown -R oracle:oinstall /u01/
# chmod -R 775 /u01/

  配置 oracle 用戶的環境變量

export ORACLE_BASE=/u01/app
export ORACLE_HOME=$ORACLE_BASE/oracle
export ORACLE_SID=orcl
export PATH=$PATH:$HOME/bin:$ORACLE_HOME/bin
export NLS_LANG=AMERICAN_AMERICA.UTF8
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:$LD_LIBRARY_PATH
alias sqlplus='rlwrap sqlplus'

1.7 安裝 oracle 安裝包的依賴

binutils-2.17.50.0.6
compat-libstdc++-33-3.2.3
compat-libcap1
elfutils-libelf-0.125
elfutils-libelf-devel-0.125
elfutils-libelf-devel-static-0.125
gcc-4.1.2
gcc-c++-4.1.2
glibc-2.5-24
glibc-common-2.5
glibc-devel-2.5
glibc-headers-2.5
kernel-headers-2.6.18
ksh-20060214
libaio-0.3.106
libaio-devel-0.3.106 
libgcc-4.1.2
libgomp-4.1.2
libstdc++-4.1.2 
libstdc++-devel-4.1.2
make-3.81
sysstat-7.0.2
unixODBC-2.2.11
unixODBC-devel-2.2.11

  執行命令 查看是否遺漏包;

rpm -q binutils compat-libstdc++-33 compat-libcap1 elfutils-libelf elfutils-libelf-devel gcc gcc-c++ glibc glibc-common glibc-devel glibc-headers kernel-headers ksh libaio libaio-devel libgcc libgomp libstdc++ libstdc++-devel make sysstat unixODBC unixODBC-devel

  安裝依賴包

yum install -y binutils compat-libstdc++-33 compat-libcap1 elfutils-libelf elfutils-libelf-devel gcc gcc-c++ glibc glibc-common glibc-devel glibc-headers kernel-headers ksh libaio libaio-devel libgcc libgomp libstdc++ libstdc++-devel make sysstat unixODBC unixODBC-devel

二. 用xshell打開圖形界面

  可以采用 VNC 或者 xshell 軟件登錄 linux 界面去安裝 Oracle Grid Infrastructure 軟件。本例采用 xshell 軟件

2.1 安裝與下載圖形界面GNOME

yum groupinstall "Desktop"
yum groupinstall "X Window System"

2.2 修改 /etc/gdm/custom.conf

[daemon]
[security]
AllowRemoteRoot=true  
[xdmcp]
Port=177
Enable=true    
[gui]
[greeter]
[chooser]
[debug]

2.3 啟動xshell工具

 

三. 安裝Oracle數據庫圖解

3.1 安裝 Oracle 軟件

  進入 linux 桌面;打開終端;用 oracle 用戶登錄。進入 oracle 安裝包目錄;執行命令

./runInstaller

  下面是每一步都圖解演示:點擊 next 按鈕

  跳過軟件更新;點擊next按鈕

  選擇只安裝數據庫軟件

  選擇單實例安裝

  選擇Languages

  選擇"Enterprise Edition"

  選擇oracle軟件安裝路徑

  安裝前環境監測

  安裝Oracle軟件

  接下來的時間慢慢等待 Oracle 軟件安裝;在安裝過程中要用 root 用戶執行兩個腳本;如下截圖

3.2 配置Oracle數據庫

  Oracle服務器軟件已經安裝完成;接下來需要配置Oracle數據庫;在終端下執行命令

dbca

  執行dbca之后;會彈出數據庫配置助手;如下圖所示:

 

  跳過軟件更新;點擊 next 按鈕

  選擇定制;可以根據業務定制

  經過漫長的等待;Oracle安裝就完成

四. Oracle網絡配置

  數據庫啟動之后,要想提供對外服務。還需要配置 Oracle 的監聽器配置文件 listener.ora(可以使用 netca 命令創建);而遠程客戶端則需要配置 tnsnames.ora 文件。與服務器建立網絡連接。

4.1 服務器監聽文件 listener.ora

  我們先看下數據庫SID和SERVICE_NAME。 

SQL> show parameter instance_name;
NAME            TYPE       VALUE
--------------  ---------  ---------------
service_names   string     ora235
SQL> alter system set service_names='lottu' scope=both;
System altered.
SQL> show parameter service_name;
NAME            TYPE       VALUE
--------------  ---------  ---------------
service_names   string     lottu

  一般 Oracle 的實例名跟 SERVICE_NAME 是一致的

  在目錄 $ORACLE_HOME/network/admin/ 目錄下;配置監聽文件 listener.ora

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
       (ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.235)(PORT = 1521)(IP = FIRST)))
       (ADDRESS_LIST =
         (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
       )
     )
  )

SID_LIST_LISTENER =
  (SID_LIST =
   (SID_DESC =
     (SID_NAME = ora235)
     (GLOBAL_DBNAME = lottu)
     (ORACLE_HOME =/u01/app/oracle)
   )
  )

  再啟動監聽

lsnrctl start

4.2 客戶端網絡服務文件 tnsnames.ora

  在客戶端的 $ORACLE_HOME/network/admin/ 目錄下;配置如下:

T235=
  (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.235)(PORT = 1521))
    (CONNECT_DATA =
      (SID = ora235)
    )
 (HS = OK)
  )
# 或者用 (SERVICE_NAME = lottu) 替換 (SID = ora235)

  測試是否配置OK?

[oracle@oracle235 admin]$ tnsping T235

TNS Ping Utility for Linux: Version 11.2.0.4.0 - Production on 03-AUG-2018 23:48:59

Copyright (c) 1997, 2013, Oracle.  All rights reserved.

Used parameter files:


Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.235)(PORT = 1521)) (CONNECT_DATA = (SID = ora235)) (HS = OK))
OK (0 msec)

  這樣就可以通過客戶端連接 Oracle 服務器

五. Oracle開機自啟動

  默認 Oracle 數據庫是不會隨着機器重啟或者開機啟動 Oracle 服務。

5.1 修改Oracle系統配置文件

  用 root 用戶修改文件 /etc/oratab ;將 N 改成 Y;本例如下

$ORACLE_SID:$ORACLE_HOME:<N|Y>:
ora235:/u01/app/oracle:Y

5.2 在 /etc/init.d/ 下創建文件oracle

#!/bin/bash
#chkconfig:345 61 61 
#description:oracle
#
# Set ORA_HOME to be equivalent to the $ORACLE_HOME
# from which you wish to execute dbstart and dbshut;
#
# Set ORA_OWNER to the user id of the owner of the
# Oracle database in ORA_HOME.
ORA_HOME=/u01/app/oracle
ORA_OWNER=oracle
if [ ! -f $ORA_HOME/bin/dbstart ]
 then
 echo "Oracle startup: cannot start"
 exit
fi
case "$1" in 
'start')
# Start the Oracle databases:
echo "Starting Oracle Databases ... "
echo "-------------------------------------------------" >> /var/log/oracle
date +" %T %a %D : Starting Oracle Databases as part of system up." >> /var/log/oracle
echo "-------------------------------------------------" >> /var/log/oracle
su - $ORA_OWNER -c "$ORA_HOME/bin/dbstart" >>/var/log/oracle
echo "Done"

# Start the Listener:
echo "Starting Oracle Listeners ... "
echo "-------------------------------------------------" >> /var/log/oracle
date +" %T %a %D : Starting Oracle Listeners as part of system up." >> /var/log/oracle
echo "-------------------------------------------------" >> /var/log/oracle
su - $ORA_OWNER -c "$ORA_HOME/bin/lsnrctl start" >>/var/log/oracle
echo "Done."
echo "-------------------------------------------------" >> /var/log/oracle
date +" %T %a %D : Finished." >> /var/log/oracle
echo "-------------------------------------------------" >> /var/log/oracle
touch /var/lock/subsys/oracle
;;

'stop')
# Stop the Oracle Listener:
echo "Stoping Oracle Listeners ... "
echo "-------------------------------------------------" >> /var/log/oracle
date +" %T %a %D : Stoping Oracle Listener as part of system down." >> /var/log/oracle
echo "-------------------------------------------------" >> /var/log/oracle
su - $ORA_OWNER -c "$ORA_HOME/bin/lsnrctl stop" >>/var/log/oracle
echo "Done."
rm -f /var/lock/subsys/oracle

# Stop the Oracle Database:
echo "Stoping Oracle Databases ... "
echo "-------------------------------------------------" >> /var/log/oracle
date +" %T %a %D : Stoping Oracle Databases as part of system down." >> /var/log/oracle
echo "-------------------------------------------------" >> /var/log/oracle
su - $ORA_OWNER -c "$ORA_HOME/bin/dbshut" >>/var/log/oracle
echo "Done."
echo ""
echo "-------------------------------------------------" >> /var/log/oracle
date +" %T %a %D : Finished." >> /var/log/oracle
echo "-------------------------------------------------" >> /var/log/oracle
;;

'restart')
$0 stop
$0 start
;;
esac

5.3 添加服務

# chmod 755 /etc/init.d/oracle
# chkconfig --level 35 oracle on
# ln -s /etc/init.d/oracle /etc/rc0.d/K01oracle
# ln -s /etc/init.d/oracle /etc/rc6.d/K01oracle

5.4 測試啟動和關閉 Oracle

[root@oracle235 ~]# service oracle stop
Stoping Oracle Listeners ... 
Done.
Stoping Oracle Databases ... 
Done.

[root@oracle235 ~]# service oracle start
Starting Oracle Databases ... 
Done
Starting Oracle Listeners ... 
Done.

  本課程總共有 12 課;是給公司員工培訓所編輯。未完待續...


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