How to split roles during upgrade from RHOSP 16.2 to RHOSP 17.1

Solution Verified - Updated -

Issue

  • Upgrade operations over roles with high amount of nodes are slow. How can we speed them up?
  • FFU performance improvement for RHOSP deployment with many nodes assigned to each role.
  • How to split existing roles for overcloud nodes during FFU?

Environment

  • Red Hat OpenStack Platform 16.2 being upgraded to Red Hat OpenStack Platform 17.1

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