Exalogic Linux Physical: October 2021: Rollback Compute Node Kernel UEK4 to UEK2 (in case of issues with UEK4 kernel)
(Doc ID 2814722.1)
Last updated on FEBRUARY 11, 2022
Applies to:Oracle Exalogic Elastic Cloud Software - Version 126.96.36.199.211019 to 188.8.131.52.211019
This document describes the procedure how to rollback the Kernel UEK4 to UEK2 on Exalogic compute node using rollback patch.
The patch in this document is applicable to Exalogic compute node running Oracle Linux 6.x with image version 184.108.40.206.211019 (Oct 2021 PSU).
Only the UEK kernel rpms and associated OFED files are reverted to same version as original node version. All the remaining rpms continue to be at Oct 2021 PSU level. So after the rollback, the compute node will display the version as "220.127.116.11.211019". This means that Compute node is at Oct 2021 PSU level, but with UEK4 kernel rolled back to pre-patch UEK2 version.
Exalogic compute node running Oracle Linux 6.x with image version 18.104.22.168.211019 (Oct 2021 PSU).
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In this Document
|Procedure to revert the patch|