Is it supported to use Docker conatiner runtime in OCP 4.x cluster instead of CRI-O?

Solution Verified - Updated -

Issue

  • In our environment, some of the images expect a docker container runtime to run and were running fine in ocp3 but fails in ocp4.
  • It is possible to have part of the nodes running with the docker runtime instead of cri-o?

Environment

  • Red Hat OpenShift Container Platform 4.x

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