The online patching cycle consists of a number of phases:
1) Prepare – Prepare the instance for patch application.
2) Apply – Apply patches (to the patch edition).
3) Finalize – Ready the instance for cutover.
4) Cutover – Make the patch edition the new run edition.
5) Cleanup – Drop obsolete objects and data from old editions.
Steps to apply patch on R12.2 using ADOP:
1) Download and unzip the patch, Before proceeding with patching activity please go through the patch radme.
2) Source the environment.
$ source <run APPL_TOP path>/APPS<CONTEXT_NAME>.env
3) Check the staus of adop using below command.
$ adop -status
4) Prepare the system for patching.
$ adop phase=prepare
5) Apply the patch to patch edition.
$ adop phase=apply patches=<patch number>
4) After patch has been applied successfully, Complete the below patch cycles.
$ adop phase=finalize
$ adop phase=cutover
$ adop phase=cleanup
5) Synchronize the file system, which copy the new run edition code and configuration to the patch file system.
$ adop phase=fs_clone
