|-----------------------------------------------------------------|-----------|--------------------------------------------------------------------------------------------------------------------------|--------|
| `minio_cluster_iam_last_sync_duration_millis`                   | `counter` | Last successful IAM data sync duration in milliseconds                                                                   |        |

|:-------------------------------------------|:------------------------------------------------------------|
| `minio_node_iam_last_sync_duration_millis` | Last successful IAM data sync duration in milliseconds.     |
| `minio_node_iam_since_last_sync_millis`    | Time (in milliseconds) since last successful IAM data sync. |
| `minio_node_iam_sync_failures`             | Number of failed IAM data syncs since server start.         |

		return nil, nil, errInvalidArgument
	}

	// prepare getElapsedTime() to calculate elapsed time since we started trying formatting disks.
	// All times are rounded to avoid showing milli, micro and nano seconds
	formatStartTime := time.Now().Round(time.Second)
	getElapsedTime := func() string {
		return time.Now().Round(time.Second).Sub(formatStartTime).String()
	}

	var (
		tries   int