12c新特性-OPatch Automation Tool(opatchauto)

集群GRID/RAC环境下，从12c开始我们可以通过root用户使用opatchauto命令安装patch。

opatchauto参数：

$ cd $ORACLE_HOME/OPatch
$ opatchauto -help

OPatch Automation Tool
Copyright (c) 2015, Oracle
Corporation. All rights reserved.

Usage: opatchauto [ -help ] [ command ]
command := apply
resume
rollback
version
<global_arguments> := -help Displays the help message for the
command.
example:
'opatchauto -help'
'opatchauto -h'
'opatchauto apply -help'
'opatchauto resume -help'
'opatchauto rollback -help'
'opatchauto version -help'

opatchauto succeeded.

OPatch Automation Tool
Copyright (c) 2015, Oracle
Corporation. All rights reserved.

DESCRIPTION
Apply a System Patch to Oracle Home. User specified the patch
location or the current directory will be taken as the patch location.
opatchauto must run from the GI Home as root user.
SYNTAX
<GI_HOME>/OPatch/opatchauto apply
[-analyze]
[-database
<database names> ]
[-generateSteps]
[-invPtrLoc
<Path to oraInst.loc> ]
[-jre <LOC> ]
[-norestart ]
[-nonrolling ]
[-ocmrf <OCM
response file location> ]
[-oh
<OH_LIST> ]
[ <Patch
Location> ]

opatchauto 安装GI PSU 具体命令：

1. 同时对GI home 和 all Oracle  RAC database homes 打psu：
# opatchauto apply  <UNZIPPED_PATCH_LOCATION> -ocmrf<ocm response file>

2. 只单独对GI home 打psu：
# opatchauto apply  <UNZIPPED_PATCH_LOCATION>  -oh<GI_HOME> -ocmrf <ocm response file>

3.只单独对RAC database  homes 打psu：
# opatchauto apply  <UNZIPPED_PATCH_LOCATION>  -oh <oracle_home1_path>,<oracle_home2_path> -ocmrf <ocmresponse  file>

参考文档:
https://docs.oracle.com/cd/E24628_01/doc.121/e39376/opatchauto_commands.htm#OPTCH586
https://docs.oracle.com/cd/E24628_01/doc.121/e39376/configuration_patching.htm#OPTCH149