OCSK: Upgrade from v1.9 to v1.12 Using 'kubeadm-upgrade' Failed (Doc ID 2533781.1)

Last updated on MAY 03, 2021

Applies to:

Linux OS - Version Oracle Linux 7.4 with Unbreakable Enterprise Kernel [4.1.12] and later
Linux x86-64

When trying to upgrade Kubernetes from 1.9 to 1.12, the upgrade shows success, but actually did not complete properly.

After the upgrade older versions are still seen.

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In this Document

Symptoms

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