                                 dbg("wait longer...")
 
     _wait_for_a_state_dev: (opts) =>
-        # For smc-in-smc dev, we have to **manually** cause another check,
+        # We have to **manually** cause another check,
         # since there is no separate compute server running!
         dbg = (m) => winston.debug("_wait_for_a_state(dev) in #{misc.to_json(opts.states)}, state='#{@_synctable.getIn([@project_id, 'state', 'state'])}': #{m}")
         dbg("retry until succeess")

            cb      : required
        dbg = (m) => winston.debug("wait_for_a_state in #{misc.to_json(opts.states)}, state='#{@_synctable.getIn([@project_id, 'state', 'state'])}': #{m}")
        dbg("cause state update")
        if @_dev
            @_wait_for_a_state_dev(opts)
            return
        @state

            min_interval_s : 60   # don't connect to compute servers and update their status more frequently than this.
            cb             : required    # cb(err, {host1:status, host2:status2, ...})
        dbg = @dbg('status')
        if @_dev or @_single
            opts.hosts = ['localhost']
        result = {}
        if opts.hosts?
