Home Database Mysql Tutorial RedHat5 安装 Oracle11

RedHat5 安装 Oracle11

Jun 07, 2016 pm 03:44 PM
e Revise parameter Install system

1.修改系统参数: 在/etc/sysctl.conf 中添加如下内容 fs.aio-max-nr = 1048576fs.file-max = 6815744kernel.shmall = 2097152kernel.shmmax = 536870912kernel.shmmni = 4096kernel.sem = 250 32000 100 128net.ipv4.ip_local_port_range = 9000 65500net.co

1. 修改系统参数: 在 /etc/sysctl.conf 中添加如下内容

fs.aio-max-nr = 1048576
fs.file-max = 6815744
kernel.shmall = 2097152
kernel.shmmax = 536870912
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
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使更改立即生效:
#sysctl -p
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2. 创建oracle组和用户

#groupadd oinstall
#groupadd dba
#groupadd oper
#useradd -g oinstall -G dba,oper oracle11
#passwd oracle11
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3. 设置oracle用户的shell limit
oracle11           hard    nproc   16384
oracle11           soft    nofile  1024
oracle11           hard    nofile  65536
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4. 运行 "runInstaller" 进行安装

    其中有一步会检查系统是否缺少依赖组件,若缺少,用红帽安装光盘安装相应rpm包即可

    若系统没有设置交换分区,也会提示错误,忽略这个错误

    其他的按照提示一步步操作即可,直到安装成功


5. 设置环境变量

     安装成功后,$ORACLE_HOME, $ORACLE_SID这些环境变量并没有添加,为了使用方便,手动添加下

     打开 "~/.bashrc",设置如下环境变量

export ORACLE_HOME=/home/oracle11/app/oracle11/product/11.2.0/dbhome_1
export ORACLE_SID=orcl

export PATH=$PATH:$ORACLE_HOME/bin
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6. 开启启动数据库

    1)  编辑 /etc/oratab,将最后一个参数"N"设为"Y"         

orcl:/home/oracle11/app/oracle11/product/11.2.0/dbhome_1:Y
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    2)  编写启动脚本 "/etc/init.d/oracle11", 内容如下
#!/bin/sh

#chkconfig: 2345 99 01
#description: ORACLE 11g Server

ORACLE_HOME=/home/oracle11/app/oracle11/product/11.2.0/dbhome_1

if [ ! -f $ORACLE_HOME/bin/dbstart ]; then
  echo "ORACLE cannot start"
  exit
fi

case "$1" in
'start')
     echo "Starting Oracle11 Database..."
     su - oracle11 -c "$ORACLE_HOME/bin/dbstart"
     su - oracle11 -c "$ORACLE_HOME/bin/emctl start dbconsole"
     ;;

'stop')
     echo "Stoping Oracle Database"
     su - oracle11 -c "$ORACLE_HOME/bin/emctl stop dbconsole"
     su - oracle11 -c "$ORACLE_HOME/bin/dbshut"
     ;;

esac
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    3) 增加可执行权限
chmod 777 /etc/init.d/oracle11
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    4) 开机执行脚本
chkconfig -add oracle11
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