z.TotalWaiting, err = dc.ReadUint32()
			if err != nil {
				err = msgp.WrapError(err, "TotalWaiting")
				return
			}
		case "TotalErrorsAvailability":
			z.TotalErrorsAvailability, err = dc.ReadUint64()
			if err != nil {
				err = msgp.WrapError(err, "TotalErrorsAvailability")
				return
			}
		case "TotalErrorsTimeout":
			z.TotalErrorsTimeout, err = dc.ReadUint64()
			if err != nil {

					Value:          float64(disk.Metrics.TotalErrorsAvailability - disk.Metrics.TotalErrorsTimeout),
					VariableLabels: map[string]string{"drive": disk.DrivePath},
				})

				metrics = append(metrics, MetricV2{
					Description:    getNodeDriveAvailabilityErrorsMD(),
					Value:          float64(disk.Metrics.TotalErrorsAvailability),
					VariableLabels: map[string]string{"drive": disk.DrivePath},