1、首先下载所需要的PSU包p6880880_112000_Linux-x86-64.zip

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    patch包：p19121551_112040_Linux-x86-64-psu4.zip

2、解压p6880880_112000_Linux-x86-64.zip到$ORACLE_HOME目录下，将原有的备份

    unzip -n p6880880_112000_Linux-x86-64.zip -d $ORACLE_HOME

3、查看版本号  

    [oracle@oraup OPatch]$ ./opatch version

    OPatch Version: 11.2.0.3.6

    OPatch succeeded.

    查看是否打PSU：    

    [oracle@oraup OPatch]$ ./opatch lspatches

    There are no Interim patches installed in this Oracle Home.

4、 检查是否安装：  

    [oracle@oraup OPatch]$ ./opatch lspatches

    There are no Interim patches installed in this Oracle Home.

5、将p19121551_112040_Linux-x86-64-psu4.zip到patch的目录

    unzip -n p19121551_112040_Linux-x86-64-psu4.zip -d patch

6、开始升级PSU，执行    

[oracle@oraup OPatch]$ ./opatch napply -oh $ORACLE_HOME -local /ora/Patch/patch/19121551

-local

    Oracle Interim Patch Installer version 11.2.0.3.6

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

    Oracle Home       : /u01/app/oracle/11.2.0.4/db_1

    Central Inventory : /u01/app/oraInventory

       from           : /u01/app/oracle/11.2.0.4/db_1/oraInst.loc

    OPatch version    : 11.2.0.3.6

    OUI version       : 11.2.0.4.0

    Log file location : /u01/app/oracle/11.2.0.4/db_1/cfgtoollogs/opatch/opatch3014-12-09_07-49-53AM_1.log

    

    Verifying environment and performing prerequisite checks...

    OPatch continues with these patches:   17478514  18031668  18522509  19121551  

    

    Do you want to proceed? [y|n]

    Y

    User Responded with: Y

    All checks passed.

    Provide your email address to be informed of security issues, install and

    initiate Oracle Configuration Manager. Easier for you if you use your My

    Oracle Support Email address/User Name.

    Visit http://www.oracle.com/support/policies.html for details.

    Email address/User Name: 

    

    You have not provided an email address for notification of security issues.

    Do you wish to remain uninformed of security issues ([Y]es, [N]o) [N]:  Y

    

    

    

    Please shutdown Oracle instances running out of this ORACLE_HOME on the local system.

    (Oracle Home = '/u01/app/oracle/11.2.0.4/db_1')

    

    

    Is the local system ready for patching? [y|n]

    Y

    .

    .

    .

   

    Composite patch 19121551 successfully applied.

    OPatch Session completed with warnings.

    Log file location: /u01/app/oracle/11.2.0.4/db_1/cfgtoollogs/opatch/opatch3014-12-09_07-49-53AM_1.log

    

    OPatch completed with warnings

    完成升级

！其中有选择的地方直接Y

    查看是否成功   

    [oracle@oraup OPatch]$ ./opatch lspatches

    19121551;Database Patch Set Update : 11.2.0.4.4 (19121551)

    

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