How to upgrade multiple workers at the same time

Solution Verified - Updated -

Issue

  • The cluster upgrade process is slow due to a large number of nodes in the cluster.
  • We would like to know if there is a way to upgrade multiple worker nodes simultaneously when upgrading the cluster.
  • The upgrade process only upgrades one worker node at the same time.

Environment

  • Red Hat OpenShift Container Platform 4.x
  • Red Hat Enterprise Linux CoreOS (RHCOS)

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