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- Pull an old Compute Node (CN) and convert to a new CentOS Head Node ("new HN"“new HN”)
- Add new CNs to new HN
- Add one old CN's CN’s to new HN
- After testing, shift production to new HN.
- Add the rest of the old CN's CN’s to new HN
- Convert old HN to CN and add it to new HN
- Later; see P41: Migrate to ChemIT Community Head Node
- Add all CN's CN’s to ChemIT Community HN
- Convert Collum HN to CN and add to ChemIT Community HN
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