def reconnect!
      @connecting = true
      scan!
      servers.each do |server|
        server.reconnect!
      end
      @periodic_executor.restart!
      @connecting = false
      @connected = true
    end
def reconnect!
      @connecting = true
      scan!
      servers.each do |server|
        server.reconnect!
      end
      @periodic_executor.restart!
      @connecting = false
      @connected = true
    end
Reconnect all servers.

 @example Reconnect the cluster's servers.
   cluster.reconnect!

 @return [ true ] Always true.

 @since 2.1.0
 @deprecated Use Client#reconnect to reconnect to the cluster instead of
   calling this method. This method does not send SDAM events.