     # open project files on some node
     open: (opts) =>
         opts = defaults opts,
+            ignore_recv_errors : false
             cb     : required
         @dbg("open")()
+        args = [@assigned]
+        if opts.ignore_recv_errors
+            args.push('--ignore_recv_errors')
         @_action
             action : "open"
-            args   : [@assigned]
+            args   : args
             cb     : opts.cb
 
     # start local_hub daemon running (must be opened somewhere)

                    where : {project_id : @project_id}
                    columns : ['migrated']
                    cb      : (err, result) =>
                        dbg("got #{err}, #{misc.to_safe_str(result)}")
                        if err
                            cb(err)
                        else

                    cb()
                else
                    dbg("not migrated so migrating after first opening")
                    @ensure_opened_or_running
                        ignore_recv_errors : true
                        cb : cb
            (cb) =>
                if migrated
                    cb()
