The definitions for the copy nodes are stored in the database. You can choose to define copy nodes for the scale-out system in advance or to have the root database server define the copy nodes when they connect. It is recommended that you let the root database server create the copy node definitions because this process reduces the possibility of errors occurring in your copy node definitions.
Make backup copies of the root database.
Start the copies of the database as copy nodes. You must specify the -xp on database option when starting the database server.
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