err = msgp.WrapError(err, "ReplicationState")
		return
	}
	if z.Data == nil { // allownil: if nil
		err = en.WriteNil()
		if err != nil {
			return
		}
	} else {
		err = en.WriteBytes(z.Data)
		if err != nil {
			err = msgp.WrapError(err, "Data")
			return
		}
	}
	err = en.WriteInt(z.NumVersions)
	if err != nil {
		err = msgp.WrapError(err, "NumVersions")
		return

				MetricV2{
					Description: getMinioProcessIOReadBytesMD(),
					Value:       float64(io.ReadBytes),
				})
		}

		if io.WriteBytes > 0 {
			metrics = append(metrics,
				MetricV2{
					Description: getMinioProcessIOWriteBytesMD(),
					Value:       float64(io.WriteBytes),
				})
		}

		if io.RChar > 0 {
			metrics = append(metrics,
				MetricV2{