How to upgrade multiple compute nodes at the same time in RHOCP 4

Solution Verified - Updated -

Issue

  • The cluster upgrade process is slow due to a large number of nodes in the OpenShift 4 cluster.
  • Is it possible to upgrade multiple worker nodes simultaneously when upgrading an OpenShift 4 cluster?
  • The OpenShift 4 upgrade process only upgrades one worker node at the same time.

Environment

  • Red Hat OpenShift Container Platform (RHOCP)
    • 4
  • Red Hat Enterprise Linux CoreOS (RHCOS)
  • MachineConfigPool (MCP)

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