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  1. Core Server
  2. SERVER-17710

Do not automatically wipe existing data before initial sync

    • Replication
    • Major Change

      When running rs.initiate(), if any nodes other than the initiator node have data (but not an oplog), an error results:

      "errmsg" : "couldn't initiate : member <node> has data already, cannot initiate set.  All members except initiator must be empty."

      If you later use rs.add() to a node that has data (but not an oplog), then it will cause that node to initial sync and throw no errors.

      If you can rs.add() a node with data in it, it follows that you should be able to have a configuration object for rs.initiate() that contains a node with data in it (and both should cause an initial sync of that node).

            backlog-server-repl [DO NOT USE] Backlog - Replication Team
            andre.defrere@mongodb.com Andre de Frere
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