Upgrade docker in existing environment for OpenShift Container Platform 3

Solution In Progress - Updated -

Issue

  • A newer Docker version is already available, docker-1.13.1-88. Is possible to directly use this one on an existing environment? What are the steps?
    • Is it needed to drain the node before upgrading?
    • Is it needed to reboot the system or restart OCP services after the upgrade?
    • Any other dependencies needs to be upgraded?
    • Is there any impact on the data inside /var/lib/docker ?
    • Is it possible to upgrade Docker versions on application nodes in sequence as each node in one day?

Environment

Red Hat OpenShift Container Platform 3.9

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