Oracle 19C下载和安装详细过程

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一：Oracle 19C下载

https://www.oracle.com/cn/database/technologies/

https://www.oracle.com/database/technologies/oracle-database-software-downloads.html

[root@cjcos Oracle_1903_for_Linux]# pwd

/package/Oracle_1903_for_Linux

[root@cjcos Oracle_1903_for_Linux]# ll -rth

total 2.9G

-rw-r--r--. 1 root root 2.9G Jan 16 12:11 LINUX.X64_193000_db_home.zip

二：Oracle 19C安装

2.1 安装前检查

2.1.1 检查操作系统版本

[root@cjcos package]# cat /etc/redhat-release

Red Hat Enterprise Linux Server release 7.5 (Maipo)

2.1.2 检查内存

[root@cjcos package]# free -m

              total        used        free      shared  buff/cache   available

Mem:           4700         929         427          14        3343        3506

Swap:          4991           0        4991

2.1.3检查swap space

2.1.4 检查磁盘空间

[root@cjcos package]# df -h

Filesystem                 Size  Used Avail Use% Mounted on

devtmpfs                   2.3G     0  2.3G   0% /dev

tmpfs                      2.3G     0  2.3G   0% /dev/shm

tmpfs                      2.3G  9.4M  2.3G   1% /run

tmpfs                      2.3G     0  2.3G   0% /sys/fs/cgroup

/dev/mapper/ol_cjcos-root  294G  7.9G  287G   3% /

/dev/sda1                 1014M  217M  798M  22% /boot

tmpfs                      471M   64K  471M   1% /run/user/0

2.1.5 安装补丁包

[root@cjcos ~]# cd /etc/yum.repos.d/

[root@cjcos yum.repos.d]# ls

public-yum-ol7.repo

[root@cjcos yum.repos.d]# wget http://yum.oracle.com/public-yum-ol7.repo

--2020-01-16 13:49:43--  http://yum.oracle.com/public-yum-ol7.repo

Resolving yum.oracle.com (yum.oracle.com)... 184.26.80.128

Connecting to yum.oracle.com (yum.oracle.com)|184.26.80.128|:80... connected.

HTTP request sent, awaiting response... 200 OK

Length: 16402 (16K) [text/plain]

Saving to: ‘public-yum-ol7.repo.1’

100%[==============================================================================================>] 16,402      --.-K/s   in 0.005s  

2020-01-16 13:49:51 (2.96 MB/s) - ‘public-yum-ol7.repo.1’ saved [16402/16402]

Table 4-1 (Cont.) x86-64 Oracle Linux 7 Minimum Operating System Requirements

[root@cjcos yum.repos.d]# yum -y install bc* binutils* compat-libcap1* compat-libstdc++* elfutils-libelf* elfutils-libelf-devel* fontconfig-devel* glibc* glibc-devel* ksh* libaio* libaio-devel* libXrender* libXrender-devel* libX11* libXau* libXi* libXtst* libgcc* libstdc++* libstdc++-devel* libxcb* make* net-tools* nfs-utils * python * python-configshell * python-rtslib* python-six * targetcli* smartmontools* sysstat*

2.1.6 配置所需用户、组

/usr/sbin/groupadd -g 5000 dba

/usr/sbin/groupadd -g 5001 oinstall

/usr/sbin/groupadd -g 5002 oper

/usr/sbin/groupadd -g 5003 asmadmin

/usr/sbin/groupadd -g 5004 asmoper

/usr/sbin/groupadd -g 5005 asmdba

/usr/sbin/groupadd -g 5006 backupdba

/usr/sbin/groupadd -g 5007 dgdba

/usr/sbin/groupadd -g 5008 kmdba

/usr/sbin/groupadd -g 5009 racdba

/usr/sbin/useradd -g oinstall -G asmadmin,asmdba,asmoper,dba grid

/usr/sbin/useradd -g oinstall -G dba,asmdba,backupdba,dgdba,kmdba,racdba,oper oracle

2.1.7 检查Resource Limits 

[root@cjcos yum.repos.d]# vi /etc/security/limits.conf

oracle soft nproc 131072

oracle hard nproc 131072

oracle soft nofile 131072

oracle hard nofile 65536

oracle hard nofile 131072

oracle soft nofile 131072

2.1.8 检查Operating System Resource Parameter Settings

Changing Kernel Parameter Values

[root@cjcos ~]# vim /etc/sysctl.conf

net.ipv4.ip_forward = 0

net.ipv4.conf.default.rp_filter = 1

net.ipv4.conf.default.accept_source_route = 0

kernel.sysrq = 0 kernel.core_uses_pid = 1

net.ipv4.tcp_syncookies = 1

kernel.msgmnb = 65536

kernel.msgmax = 65536

kernel.shmmni = 4096

kernel.sem = 250 32000 100 128

kernel.shmmax = 4398046511104

kernel.shmall = 1073741824

fs.file-max = 6815744

net.ipv4.ip_local_port_range = 9000 65500

net.core.rmem_default = 262144

net.core.wmem_default = 262144

net.core.rmem_max = 4194304

net.core.wmem_max = 1048576

fs.aio-max-nr = 1048576

[root@cjcos ~]# sysctl –p

2.1.9 设置环境变量

[oracle@cjcos ~]$ vim .bash_profile

export ORACLE_BASE=/u01/app/oracle

export ORACLE_HOME=$ORACLE_BASE/product/19.0.0/dbhome_1

export ORACLE_SID=cjcdb

export PATH=$ORACLE_HOME/bin:$PATH

export LD_LIBRARY_PATH=$ORACLE_HOME/lib:$LD_LIBRARY_PATH

[oracle@cjcos ~]$ source .bash_profile

2.1.10 设置目录

[root@cjcos yum.repos.d]# mkdir -p /u01/app/oracle

[root@cjcos yum.repos.d]# mkdir -p /u01/app/oraInventory

[root@cjcos yum.repos.d]# chown -R oracle:oinstall /u01/app/oracle

[root@cjcos yum.repos.d]# chown -R oracle:oinstall /u01/app/oraInventory

[root@cjcos yum.repos.d]# chmod -R 775 /u01/app

[root@cjcos yum.repos.d]# su - oracle

[oracle@cjcos ~]$ mkdir -p /u01/app/oracle/product/19.0.0/dbhome_1

[oracle@cjcos ~]$ cd /u01/app/oracle/product/19.0.0/dbhome_1

[oracle@cjcos Oracle_1903_for_Linux]$ pwd

/package/Oracle_1903_for_Linux

[oracle@cjcos Oracle_1903_for_Linux]$ ll -rth

total 2.9G

-rw-r--r--. 1 root root 2.9G Jan 16 12:11 LINUX.X64_193000_db_home.zip

[oracle@cjcos Oracle_1903_for_Linux]$ cd /u01/app/oracle/product/19.0.0/dbhome_1/

[oracle@cjcos dbhome_1]$ unzip -q /package/Oracle_1903_for_Linux/LINUX.X64_193000_db_home.zip

2.2 安装软件

[oracle@cjcos bin]$ ./runInstaller

2.3 创建监听

[oracle@cjcos ~]$ netca

2.4 创建实例

[oracle@cjcos ~]$ dbca

2.5 验证

[oracle@cjcos ~]$ sqlplus / as sysdba

SQL*Plus: Release 19.0.0.0.0 - Production on Thu Jan 16 17:23:59 2020

Version 19.3.0.0.0

Copyright (c) 1982, 2019, Oracle.  All rights reserved.

SQL> select banner_full from v$version;

BANNER_FULL

---------------------------------------------------------------------

Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production

Version 19.3.0.0.0

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