How to fix undercloud after replacing a NIC on overcloud node

Solution Verified - Updated -

Issue

IMPORTANT. THIS ARTICLE WASN'T WRITTEN AS A HOW TO GUIDE. IT IS POSSIBLE TO CAUSE SERIOUS ISSUES BY FOLLOWING IT WITHOUT PROPER KNOWLEDGE. PLEASE CONTACT RED HAT TECHNICAL SUPPORT BEFORE FOLLOWING IT

  • Want to learn more about the way RHOSP 10 director is handling slave's MACs
  • How to fix Overcloud after replacing motherboard or NICs at slave server?

Environment

  • Red Hat OpenStack Platform 10

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