In order to install any patch (psu or cpu), first we need to check compatibility of "opatch version". If the opatch version is not compatible, we need to upgrade the opatch version
Steps to Upgrade "opatch version"
step1: Backup the OPatch folder under Oracle_Home as follows
[admind@tnc63 dbhome_1]$ cp -r OPatch OPatch_backup
Step2: Remove the files in the OPatch directory
[admind@tnc63 dbhome_1]$ cd OPatch
[admind@tnc63 OPatch]$ ls -ltr
total 164
-rw-r----- 1 admind oinstall 27 Nov 13 15:15 version.txt
drwxr-x--- 2 admind oinstall 4096 Nov 13 15:15 scripts
-rw-r----- 1 admind oinstall 2915 Nov 13 15:15 README.txt
-rw-r----- 1 admind oinstall 3177 Nov 13 15:15 operr_readme.txt
-rwxr-x--- 1 admind oinstall 4220 Nov 13 15:15 operr.bat
-rwxr-x--- 1 admind oinstall 3161 Nov 13 15:15 operr
drwxr-x--- 4 admind oinstall 4096 Nov 13 15:15 opatchprereqs
-rwxr-x--- 1 admind oinstall 2652 Nov 13 15:15 opatch.pl
-rwxr-x--- 1 admind oinstall 9445 Nov 13 15:15 opatchdiag.bat
-rwxr-x--- 1 admind oinstall 10125 Nov 13 15:15 opatchdiag
-rwxr-x--- 1 admind oinstall 15277 Nov 13 15:15 opatch.bat
-rwxr-x--- 1 admind oinstall 27214 Nov 13 15:15 opatch
drwxr-x--- 2 admind oinstall 4096 Nov 13 15:15 jlib
-rwxr-x--- 1 admind oinstall 23764 Nov 13 15:15 emdpatch.pl
-rwxr-x--- 1 admind oinstall 645 Nov 13 15:15 datapatch.bat
-rwxr-x--- 1 admind oinstall 607 Nov 13 15:15 datapatch
drwxr-x--- 5 admind oinstall 4096 Nov 13 15:15 ocm
drwxrwxr-x 3 admind oinstall 4096 Nov 13 15:16 oracle_common
drwxr-x--- 3 admind oinstall 4096 Nov 13 15:16 oplan
drwxr-x--- 4 admind oinstall 4096 Nov 13 15:16 opatchauto-dir
-rwxr-x--- 1 admind oinstall 309 Nov 13 15:16 opatchauto
drwxr-x--- 2 admind oinstall 4096 Nov 13 15:16 docs
[admind@tnc63 OPatch]$ rm -rf *
[admind@tnc63 OPatch]$ pwd
/u01/app/admind/product/12.1.0/dbhome_1/OPatch
Step3: Copy the latest released OPatch version for 12.1, which is available for download from My Oracle Support patch 6880880 by selecting the 12.1.0.1.1 release and copy to the ORACLE_HOME
unzip the downloaded patch in oracle_home, when we unzip patch automatically new files will be loaded in OPatch directory
[admind@tnc63 dbhome_1]$ unzip p6880880_121010_Linux-x86-64.zip
Archive: p6880880_121010_Linux-x86-64.zip
inflating: OPatch/opatch
creating: OPatch/oracle_common/
creating: OPatch/oracle_common/modules/
inflating: OPatch/oracle_common/modules/com.oracle.glcm.common-logging_1.2.0.0.jar
creating: OPatch/jlib/
inflating: OPatch/jlib/opatchsdk.jar
inflating: OPatch/jlib/oracle.opatch.classpath.unix.jar
inflating: OPatch/jlib/oracle.opatch.classpath.windows.jar
inflating: OPatch/jlib/oracle.opatch.classpath.jar
inflating: OPatch/jlib/opatch.jar
inflating: OPatch/jlib/oracle.opatchcore.classpath.windows.jar
inflating: OPatch/jlib/oracle.opatchcore.classpath.jar
inflating: OPatch/jlib/oracle.opatchcore.classpath.unix.jar
inflating: OPatch/README.txt
creating: OPatch/ocm/
inflating: OPatch/ocm/ocm_platforms.txt
creating: OPatch/ocm/doc/
creating: OPatch/ocm/bin/
inflating: OPatch/ocm/bin/emocmrsp
creating: OPatch/ocm/lib/
inflating: OPatch/ocm/lib/http_client.jar
inflating: OPatch/ocm/lib/jsse.jar
inflating: OPatch/ocm/lib/osdt_core3.jar
inflating: OPatch/ocm/lib/emocmclnt.jar
inflating: OPatch/ocm/lib/log4j-core.jar
inflating: OPatch/ocm/lib/xmlparserv2.jar
inflating: OPatch/ocm/lib/regexp.jar
inflating: OPatch/ocm/lib/jcert.jar
inflating: OPatch/ocm/lib/osdt_jce.jar
inflating: OPatch/ocm/lib/jnet.jar
inflating: OPatch/ocm/lib/emocmclnt-14.jar
inflating: OPatch/ocm/lib/emocmcommon.jar
extracting: OPatch/ocm/ocm.zip
inflating: OPatch/operr.bat
inflating: OPatch/datapatch.bat
inflating: OPatch/opatch.bat
creating: OPatch/docs/
inflating: OPatch/docs/Prereq_Users_Guide.txt
inflating: OPatch/docs/Users_Guide.txt
inflating: OPatch/docs/FAQ
inflating: OPatch/docs/cversion.txt
inflating: OPatch/opatchdiag
inflating: OPatch/opatch.pl
creating: OPatch/oplan/
inflating: OPatch/oplan/oplan
creating: OPatch/oplan/jlib/
inflating: OPatch/oplan/jlib/ValidationRules.jar
inflating: OPatch/oplan/jlib/automation.jar
inflating: OPatch/oplan/jlib/osysmodel-utils.jar
inflating: OPatch/oplan/jlib/oracle.oplan.classpath.jar
inflating: OPatch/oplan/jlib/Validation.jar
creating: OPatch/oplan/jlib/jaxb/
inflating: OPatch/oplan/jlib/jaxb/activation.jar
inflating: OPatch/oplan/jlib/jaxb/jaxb-impl.jar
inflating: OPatch/oplan/jlib/jaxb/jsr173_1.0_api.jar
inflating: OPatch/oplan/jlib/jaxb/jaxb-api.jar
creating: OPatch/oplan/jlib/apache-commons/
inflating: OPatch/oplan/jlib/apache-commons/commons-cli-1.0.jar
inflating: OPatch/oplan/jlib/apache-commons/commons-compress-1.4.jar
inflating: OPatch/oplan/jlib/oplan_core.jar
inflating: OPatch/oplan/jlib/bundle.jar
inflating: OPatch/oplan/jlib/ProductDriver.jar
extracting: OPatch/version.txt
creating: OPatch/opatchauto-dir/
creating: OPatch/opatchauto-dir/opatchautocore/
inflating: OPatch/opatchauto-dir/opatchautocore/oplan.bat
inflating: OPatch/opatchauto-dir/opatchautocore/opatchautobinary
creating: OPatch/opatchauto-dir/opatchautocore/jlib/
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/osysmodel-utils.jar
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/ValidationRules.jar
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/oplan_sample.jar
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/bundle.jar
creating: OPatch/opatchauto-dir/opatchautocore/jlib/apache-commons/
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/apache-commons/commons-cli-1.0.jar
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/apache-commons/commons-compress-1.4.jar
creating: OPatch/opatchauto-dir/opatchautocore/jlib/jaxb/
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/jaxb/jaxb-api.jar
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/jaxb/jaxb-impl.jar
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/jaxb/jsr173_1.0_api.jar
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/jaxb/activation.jar
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/oplan_core.jar
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/oracle.oplan.classpath.jar
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/patchsdk.jar
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/Validation.jar
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/OsysModel.jar
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/ProductDriver.jar
inflating: OPatch/opatchauto-dir/opatchautocore/jlib/automation.jar
inflating: OPatch/opatchauto-dir/opatchautocore/oplan
inflating: OPatch/opatchauto-dir/opatchautocore/README.html
inflating: OPatch/opatchauto-dir/opatchautocore/README.txt
creating: OPatch/opatchauto-dir/opatchautodb/
creating: OPatch/opatchauto-dir/opatchautodb/jlib/
inflating: OPatch/opatchauto-dir/opatchautodb/jlib/oracle.opatchautodb.classpath.jar
inflating: OPatch/opatchauto-dir/opatchautodb/jlib/oracle.opatchautodb.classpath.windows.jar
extracting: OPatch/opatchauto-dir/opatchautodb/jlib/opatchauto-core.jar
inflating: OPatch/opatchauto-dir/opatchautodb/jlib/oracle.opatchautodb.classpath.unix.jar
inflating: OPatch/opatchauto-dir/opatchautodb/jlib/opatchauto-db.jar
inflating: OPatch/opatchauto-dir/opatchautodb/jlib/oplan_db.jar
inflating: OPatch/opatchauto-dir/opatchautodb/jlib/oracle.oplan.db.classpath.jar
inflating: OPatch/opatchauto-dir/opatchautodb/opatchautodbscr
creating: OPatch/opatchprereqs/
creating: OPatch/opatchprereqs/oui/
inflating: OPatch/opatchprereqs/oui/knowledgesrc.xml
creating: OPatch/opatchprereqs/opatch/
inflating: OPatch/opatchprereqs/opatch/runtime_prereq.xml
inflating: OPatch/opatchprereqs/opatch/rulemap.xml
inflating: OPatch/opatchprereqs/opatch/opatch_prereq.xml
inflating: OPatch/opatchprereqs/prerequisite.properties
inflating: OPatch/datapatch
inflating: OPatch/operr_readme.txt
creating: OPatch/scripts/
inflating: OPatch/scripts/opatch_wls
inflating: OPatch/scripts/opatch_jvm_discovery
inflating: OPatch/scripts/opatch_jvm_discovery.bat
inflating: OPatch/scripts/opatch_wls.bat
inflating: OPatch/operr
inflating: OPatch/opatchdiag.bat
inflating: OPatch/emdpatch.pl
inflating: OPatch/opatchauto
Step4: Check OPatch version
[admind@tnc63 dbhome_1]$ opatch version
OPatch Version: 12.1.0.1.10
OPatch succeeded. Opatch is upgraded successfully
-- Nikhil Tatineni--
--12c: Pluggable databases--
