一、概述
本文将介绍如何给oracle数据库打最新补丁，数据库版本为11.2.0.4单实例，操作系统为redhat6.5
二、下载相关升级包
1. 登录MOS，查阅(ID 2118136.2)，下载最新补丁包
PSU (Patch Set Update)，数据库补丁
2. 搜索"Patch 6880880"，下载最新opatch
opatch是安装补丁的程序，数据库软件安装完成后，就自带了opatch，但是版本太旧了，所以这里下载最新的opatch
至此已下载两个文件
p6880880_112000_Linux-x86-64.zip：opatch升级包
p29913194_112040_Linux-x86-64.zip：数据库补丁
三、升级opatch
opatch的升级比较简单，就是个文件覆盖
3. 查看原始opatch信息
[oracle@orasingle ~]$ cd $ORACLE_HOME/OPatch
[oracle@orasingle OPatch]$ ./opatch version # 查看版本信息
OPatch Version: 11.2.0.3.4
OPatch succeeded.[oracle@orasingle OPatch]$ ./opatch lsinventory # 查看打补丁的情况
Oracle Interim Patch Installer version 11.2.0.3.4
Copyright (c) 2012, Oracle Corporation. All rights reserved.
Oracle Home : /u01/app/oracle/product/11.2.0/db_1
Central Inventory : /u01/app/oraInventory
from : /u01/app/oracle/product/11.2.0/db_1/oraInst.loc
OPatch version : 11.2.0.3.4
OUI version : 11.2.0.4.0
Log file location : /u01/app/oracle/product/11.2.0/db_1/cfgtoollogs/opatch/opatch2019-12-25_14-26-47PM_1.log
Lsinventory Output file location : /u01/app/oracle/product/11.2.0/db_1/cfgtoollogs/opatch/lsinv/lsinventory2019-12-25_14-26-47PM.txt
--------------------------------------------------------------------------------
Installed Top-level Products (1):
Oracle Database 11g 11.2.0.4.0
There are 1 products installed in this Oracle Home.
There are no Interim patches installed in this Oracle Home.
--------------------------------------------------------------------------------
OPatch succeeded.4. 备份原opatch
[oracle@orasingle ~]$ cd $ORACLE_HOME
[oracle@orasingle db_1]$ mv OPatch OPatch.bak
5. 解压新下载的opatch包
将下载的opatch包上传到oracle的家目录
[oracle@orasingle db_1]$ cd ~
[oracle@orasingle ~]$ unzip p6880880_112000_Linux-x86-64.zip -d $ORACLE_HOME
6. 再来查看opatch信息
[oracle@orasingle ~]$ cd $ORACLE_HOME/OPatch
[oracle@orasingle OPatch]$ ./opatch version # 查看版本信息
OPatch Version: 11.2.0.3.21
OPatch succeeded.至此opatch升级完毕
四、打数据库补丁
7. 关闭em、监听、数据库
[oracle@orasingle ~]$ emctl stop dbconsole # 如果没有开启em，这步可以跳过
[oracle@orasingle ~]$ lsnrctl stop
[oracle@orasingle ~]$ sqlplus / as sysdba
SQL> shutdown immediate
SQL> exit
8. 解压新下载的补丁包
将下载的补丁包上传到oracle的家目录
[oracle@orasingle ~]$ cd ~
[oracle@orasingle ~]$ unzip p29913194_112040_Linux-x86-64.zip
9. 校验该补丁包是否与之前的补丁有冲突
[oracle@orasingle ~]$ cd 29913194
[oracle@orasingle 29913194]$ $ORACLE_HOME/OPatch/opatch prereq CheckConflictAgainstOHWithDetail -ph ./
Oracle Interim Patch Installer version 11.2.0.3.21
Copyright (c) 2019, Oracle Corporation. All rights reserved.
PREREQ session
Oracle Home : /u01/app/oracle/product/11.2.0/db_1
Central Inventory : /u01/app/oraInventory
from : /u01/app/oracle/product/11.2.0/db_1/oraInst.loc
OPatch version : 11.2.0.3.21
OUI version : 11.2.0.4.0
Log file location : /u01/app/oracle/product/11.2.0/db_1/cfgtoollogs/opatch/opatch2019-12-25_14-46-26PM_1.log
Invoking prereq "checkconflictagainstohwithdetail"
Prereq "checkConflictAgainstOHWithDetail" passed.
OPatch succeeded.由于这个测试库之前并没有打什么补丁，所以这里就不可能有补丁冲突的问题，如果这里显示有冲突，再去mos上查找相关解决方案。
10. 正式升级
[oracle@orasingle 29913194]$ $ORACLE_HOME/OPatch/opatch apply
这里要输入3次y和一次回车，这个是时间耗时比较久的，耐心等待
升级完成后报上面的错误，通过查阅mos(ID 2265726.1)，可知这个错误可以被忽略
11. 再次查看打补丁的情况
[oracle@orasingle 29913194]$ $ORACLE_HOME/OPatch/opatch lsinventory # 查看打补丁的情况
内容较多，略
12. 启动数据库，并运行sql文件
[oracle@orasingle 29913194]$ cd $ORACLE_HOME/rdbms/admin
[oracle@orasingle admin]$ sqlplus / as sysdba
SQL> startup
SQL> @catbundle.sql psu apply
SQL> quit
13. 启动监听、em
[oracle@orasingle ~]$ lsnrctl start
[oracle@orasingle ~]$ emctl start dbconsole # 如果没有开启em，这步可以跳过
至此数据库打补丁已全部完成！
五、回退数据库补丁
数据库在做变更时，当然要考虑回退方案了 ，接下来介绍如何回退数据库补丁
14. 关闭em、监听、数据库
[oracle@orasingle ~]$ emctl stop dbconsole # 如果没有开启em，这步可以跳过
[oracle@orasingle ~]$ lsnrctl stop
[oracle@orasingle ~]$ sqlplus / as sysdba
SQL> shutdown immediate
SQL> exit
15. 回退补丁
[oracle@orasingle ~]$ $ORACLE_HOME/OPatch/opatch rollback -id 29913194
这里要输入一次y，时间比较久，耐心等待
这里提示warning，查阅mos(ID 1448337.1)，得知可以忽略
16. 启动数据库，并运行sql文件
[oracle@orasingle 29913194]$ cd $ORACLE_HOME/rdbms/admin
[oracle@orasingle admin]$ sqlplus / as sysdba
SQL> startup
SQL> @catbundle_PSU_ORCLTEST_ROLLBACK.sql # 注意这里可能每个人都不一样，orcltest是我的实例名
SQL> quit
17. 再查看打补丁的情况
[oracle@orasingle ~]$ cd $ORACLE_HOME/OPatch
[oracle@orasingle OPatch]$ ./opatch lsinventory # 查看打补丁的情况
OPatch Version: 11.2.0.3.21
OPatch succeeded.
[oracle@orasingle OPatch]$ ./opatch lsinv
Oracle Interim Patch Installer version 11.2.0.3.21
Copyright (c) 2019, Oracle Corporation. All rights reserved.
Oracle Home : /u01/app/oracle/product/11.2.0/db_1
Central Inventory : /u01/app/oraInventory
from : /u01/app/oracle/product/11.2.0/db_1/oraInst.loc
OPatch version : 11.2.0.3.21
OUI version : 11.2.0.4.0
Log file location : /u01/app/oracle/product/11.2.0/db_1/cfgtoollogs/opatch/opatch2019-12-25_16-15-41PM_1.log
Lsinventory Output file location : /u01/app/oracle/product/11.2.0/db_1/cfgtoollogs/opatch/lsinv/lsinventory2019-12-25_16-15-41PM.txt
--------------------------------------------------------------------------------
Local Machine Information::
Hostname: orasingle
ARU platform id: 226
ARU platform description:: Linux x86-64
Installed Top-level Products (1):
Oracle Database 11g 11.2.0.4.0
There are 1 products installed in this Oracle Home.
There are no Interim patches installed in this Oracle Home.
--------------------------------------------------------------------------------
OPatch succeeded.可以看到补丁都被卸载了
18. 启动监听和em
[oracle@orasingle ~]$ lsnrctl start
[oracle@orasingle ~]$ emctl start dbconsole # 如果没有开启em，这步可以跳过
六、总结
本文给大家介绍了最简单的单实例数据库打补丁步骤，仅作参考，实际应以补丁包中的readme为准。
作者：# 小豹子的网络记事本
文章地址：https://www.cnblogs.com/ddzj01/p/12097467.html
