OPatch apply & rollback

1.Stop all services...on both APPS & DB node.......

2.export PATH=$ORACLE_HOME/OPatch

3.Above is mandatory...Before applying patch check PATH should points to opatch directory location.....

4.opatch lsinventory -invPtrLoc /u01/app/oracle/db/tech_st/11.1.0/oraInst.loc |grep 8940108(patch number)

Above command shows whether the patch is applied or not.

5.unzip the patch...

6.shutdown the database...

7.goto patch directory location.....

8.fire the below command to apply the patch....(go to patch directory)

opatch apply -invPtrLoc /u01/app/oracle/db/tech_st/11.1.0/oraInst.loc.

Once the patch is applied successfully on database...

Startup the database....

Start the services

Patch is already … Download the new version of patch rollback patch and apply new version patch:

Oracle_home/inventory/oneoffs/<patch_no>/  opatch rollback  –id <pch_no> -invPtrLoc /u01/app/oracle/db/tech_st/11.1.0/oraInst.loc

---------------------------------------------------------------------------> ManjunathaReddy