GI Home patching:
===============
1) Stop GI Home as root user

2) Unlock the GI Home as root user

3) grant permission patch directory as root user

4) As grid user do prechks
Do OPatch version and current lspatches checks
Conflict pre checks:
System space prechk:

5) Apply Patch:

6) Post verification

7) Lock and start GI

DB Home patching
================
Stop DB Home as root user

grant permission on patch directory as root user

As oracle user do prechks
Do OPatch version and current lspatches checks
Conflict pre checks:
System space prechk:

Apply Patch:

Post verification

Start ORACLE_HOME as root user

RAC Database Patching - Datapatch
==============================
Do database prechecks

Run the database post steps – datapatch

Verify the database post steps

#19c #Patching #OPatch #RACPatching #OracleHomePatching #Datapatch #Rolling #12c #Oracle #RAC #Database #Exadata

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