How to switch production single node EBS environment to multi node?

We're considering moving our production EBS environment from single node to multi node to separate out the middle processing from the database. We've completed the steps via clone (adcfgclone.pl) in out test environment and are now testing, however we're leery of running the same process in production. I've researched this process greatly, but most links point to either multi to single or cloning. Please assist.

Use Rapid Clone -- Rapid Clone Documentation Resources For Release 11i and 12 [ID 799735.1]
All the steps are covered under "Cloning a Single-Node System to a Multi-Node System" section.
Thanks,
Hussein

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