linux7系统怎么安装oracle12C R2

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## 内存检查
#Minimum: 1 GB of RAM
#Recommended: 2 GB of RAM or more

grep MemTotal /proc/meminfo | awk {print $2/1024 MB}

##swap 的检查
#Available RAM，Swap Space Required
#Between 1 GB and 2 GB，1.5 times the size of the RAM
#Between 2 GB and 16 GB，Equal to the size of the RAM
#More than 16 GB，16 GB

grep SwapTotal /proc/meminfo | awk {print $2/1024 MB}

##packages for linux6
binutils-2.20.51.0.2-5.11.el6 (x86_64)
compat-libcap1-1.10-1 (x86_64)
compat-libstdc++-33-3.2.3-69.el6 (x86_64)
compat-libstdc++-33-3.2.3-69.el6.i686
gcc-4.4.4-13.el6 (x86_64)
gcc-c++-4.4.4-13.el6 (x86_64)
glibc-2.12-1.7.el6 (i686)
glibc-2.12-1.7.el6 (x86_64)
glibc-devel-2.12-1.7.el6 (x86_64)
glibc-devel-2.12-1.7.el6.i686
ksh
libgcc-4.4.4-13.el6 (i686)
libgcc-4.4.4-13.el6 (x86_64)
libstdc++-4.4.4-13.el6 (x86_64)
libstdc++-4.4.4-13.el6.i686
libstdc++-devel-4.4.4-13.el6 (x86_64)
libstdc++-devel-4.4.4-13.el6.i686
libaio-0.3.107-10.el6 (x86_64)
libaio-0.3.107-10.el6.i686
libaio-devel-0.3.107-10.el6 (x86_64)
libaio-devel-0.3.107-10.el6.i686
make-3.81-19.el6
sysstat-9.0.4-11.el6 (x86_64)

yum -y install binutils compat-libcap1 compat-libstdc++ compat-libstdc++*.i686 gcc gcc-c++ glibc-2*.i686 glibc glibc-devel*.i686 glibc-devel ksh libgcc libgcc-*.i686 libstdc++*.i686 libstdc++ libstdc++-devel libstdc++devel*.i686 libaio-*.i686 libaio libaio-*.i686 libaio-devel libaio-devel*.i686 make sysstat unixODBC-devel unixODBC*.i686

yum -y install binutils compat-libcap1 compat-libstdc++-33 compat-libstdc++-33*.i686 gcc gcc-c++ glibc glibc*.i686 glibc-devel glibc-devel*.i686 ksh libaio libaio-*.i686 libaio-devel libaio-devel*.i686 libgcc libgcc*.i686 libstdc++ libstdc++*.i686 libstdc++-devel libstdc++devel*.i686 libXi libXi*.i686 libXtst libXtst*.i686 make sysstat unixODBC unixODBC-devel unixODBC*.i686
yum -y localinstall compat-libstdc++-33-3.2.3-72.el7.* #单独下载

##create user and group
groupadd -g 1000 oinstall
groupadd -g 1001 dba
groupadd -g 1002 oper
useradd -g oinstall -G dba,oper oracle

##vi /etc/sysctl.conf
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 = 1048576

/sbin/sysctl -p

## 官方文档对 shmmax 的设置解释，(文档 ID 567506.1)，我一般直接使用当前设置 /sbin/sysctl -a | grep shm
#Oracle Global Customer Support officially recommends a maximum for SHMMAX of 1/2 of physical RAM .
#The maximum size of a shared memory segment is limited by the size of the available user address space. On 64-bit systems, this is a theoretical 2^64bytes. So the theoretical limit for SHMMAX is the amount of physical RAM that you have. However, to actually attempt to use such a value could potentially lead to a situation where no system memory is available for anything else. Therefore a more realistic physical limit for SHMMAX would probably be physical RAM – 2Gb .
#In an Oracle RDBMS application, this physical limit still leaves inadequate system memory for other necessary functions. Therefore, the common Oracle maximum for SHMMAX that you will often see is 1/2 of physical RAM . Many Oracle customers chose a higher fraction, at their discretion.
#Occasionally, Customers may erroneously think that that setting the SHMMAX as recommended in this NOTE limits the total SGA. That is not true. Setting the SHMMAX as recommended only causes a few more shared memory segments to be used for whatever total SGA that you subsequently configure in Oracle. For additional detail, please see

##
?vi /etc/security/limits.conf
?oracle soft nproc 2047
oracle hard nproc 16384
oracle soft nofile 1024
oracle hard nofile 65536
oracle soft stack 10240
oracle hard stack 10240

## 创建软件安装目录
mkdir -p /u01/app/oracle
chown -R oracle:oinstall /u01/app/oracle

## 添加本地参数
su – oracle
vi .bash_profile
umask 0022
ORACLE_BASE=/u01/app/oracle
ORACLE_HOME=/u01/app/oracle/product/12.2.0/db_1
ORACLE_SID=orcl
export ORACLE_BASE ORACLE_HOME ORACLE_SID
export PATH=$ORACLE_HOME/bin:$PATH:$HOME/bin:/usr/bin:/sbin
LD_LIBRARY_PATH=$ORACLE_HOME/lib

## 修改 hosts 文件
ip add | grep enp0s8 | grep inet | awk {print $2} | awk -F / {printf $1}{cmd= hostname system(cmd)} /etc/hosts
cat /etc/hosts

## 开机启动图形化
[root@localhost ~]# systemctl get-default
multi-user.target
[root@localhost ~]# cat /etc/inittab
# inittab is no longer used when using systemd.
#
# ADDING CONFIGURATION HERE WILL HAVE NO EFFECT ON YOUR SYSTEM.
#
# Ctrl-Alt-Delete is handled by /usr/lib/systemd/system/ctrl-alt-del.target
#
# systemd uses targets instead of runlevels. By default, there are two main targets:
#
# multi-user.target: analogous to runlevel 3 # 多用户模式
# graphical.target: analogous to runlevel 5 #图形化模式
#
# To view current default target, run:
# systemctl get-default
#
# To set a default target, run:
# systemctl set-default TARGET.target
#
[root@localhost ~]# systemctl set-default graphical.target
Removed symlink /etc/systemd/system/default.target.
Created symlink from /etc/systemd/system/default.target to /usr/lib/systemd/system/graphical.target.
[root@localhost ~]# systemctl get-default
graphical.target

?
## 关闭防火墙和 selinux
[root@localhost ~]# systemctl stop firewalld
[root@localhost ~]# systemctl disable firewalld
Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.
Removed symlink /etc/systemd/system/basic.target.wants/firewalld.service.
[root@rhel7ora11 ~]# getenforce
Enforcing
[root@rhel7ora11 ~]# setenforce 0
[root@rhel7ora11 ~]# getenforce
Permissive
[root@rhel7ora11 ~]# vi /etc/selinux/config
SELINUX=disabled
或
sed -i s/SELINUX=enforcing/SELINUX=disabled/g /etc/selinux/config

## 安装
./runInstaller
# 执行脚本
[root@rhel7-ora12c-ip156 ~]# /u01/app/oraInventory/orainstRoot.sh
Changing permissions of /u01/app/oraInventory.
Adding read,write permissions for group.
Removing read,write,execute permissions for world.

Changing groupname of /u01/app/oraInventory to oinstall.
The execution of the script is complete.

[root@rhel7-ora12c-ip156 ~]# /u01/app/oracle/product/12.2.0/db_1/root.sh
Performing root user operation.

The following environment variables are set as:
ORACLE_OWNER= oracle
ORACLE_HOME= /u01/app/oracle/product/12.2.0/db_1

Enter the full pathname of the local bin directory: [/usr/local/bin]:
Copying dbhome to /usr/local/bin …
Copying oraenv to /usr/local/bin …
Copying coraenv to /usr/local/bin …

Creating /etc/oratab file…
Entries will be added to the /etc/oratab file as needed by
Database Configuration Assistant when a database is created
Finished running generic part of root script.
Now product-specific root actions will be performed.
Do you want to setup Oracle Trace File Analyzer (TFA) now ? yes|[no] :
no
Oracle Trace File Analyzer (TFA – User Mode) is available at :
/u01/app/oracle/product/12.2.0/db_1/suptools/tfa/release/tfa_home/bin/tfactl

OR

Oracle Trace File Analyzer (TFA – Daemon Mode) can be installed by running this script :
/u01/app/oracle/product/12.2.0/db_1/suptools/tfa/release/tfa_home/install/roottfa.sh

#dbca 创建数据库，assm 管理最少需要 1460M 内存分配

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