High level steps:
1. Verify the clusterware is up and running on all nodes

2. Download and place the latest CPU patch on all cluster nodes

3. Verify the lsinventory output from both the cluster nodes
$ORACLE_HOME/OPatch/opatch lsinventory -detail -oh $ORACLE_HOME

4. Manual Patch conflict checks and system space check

5. opatchauto automated precheck and conflcit checks and system space check
$ORACLE_HOME/OPatch/opatchauto apply /u01/patches/33182768 -analyze

6. opatchauto actual patching step
$ORACLE_HOME/OPatch/opatchauto apply /u01/patches/33182768 -oh $ORACLE_HOME

7. Post validation checks

Refer below blog for more details:
https://mallik034.blogspot.com/2021/12/oct-2021-cpu-clusterware-patching-using.html

#opatchauto #12c #19c #datapatch #Opatch #CPU #PSU #Patch #Oct2021 #OracleHome #ASM #Administration #Database #Exadata #RAC #Oracle

Regards,
Mallikarjun Ramadurg
Mobile: +91 9880616848
WhatsApp: +91 9880616848