console.Debugf("%s: persisting info on drive: threshold:%s, %s:%#v\n", jobTyp, now.Sub(ri.LastUpdate), jobTyp, ri)
		}
		ri.LastUpdate = now

		data := make([]byte, 4, ri.Msgsize()+4)

		// Initialize the header.
		binary.LittleEndian.PutUint16(data[0:2], format)
		binary.LittleEndian.PutUint16(data[2:4], version)

		buf, err := ri.MarshalMsg(data)
		ri.mu.Unlock()
		if err != nil {
			return err
		}