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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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• If so, use another node (for example, 3).

Time and labor estimates

View Project timeline: Collum Cluster timeline.pdf

Est. labor: ~286 hours

Duration - Start-to-finish time (taking into account availability): 30 work days (start 7/31, Wed)

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