return nil
}

const (
	healthCapacityRawTotalBytes    = "capacity_raw_total_bytes"
	healthCapacityRawFreeBytes     = "capacity_raw_free_bytes"
	healthCapacityUsableTotalBytes = "capacity_usable_total_bytes"
	healthCapacityUsableFreeBytes  = "capacity_usable_free_bytes"
)

var (
	healthCapacityRawTotalBytesMD = NewGaugeMD(healthCapacityRawTotalBytes,
		"Total cluster raw storage capacity in bytes")

package disk

// Info stat fs struct is container which holds following values
// Total - total size of the volume / disk
// Free - free size of the volume / disk
// Files - total inodes available
// Ffree - free inodes available
// FSType - file system type
// Major - major dev id
// Minor - minor dev id
// Devname - device name
type Info struct {
	Total      uint64
	Free       uint64
	Used       uint64
	Files      uint64

	}
	for k, v := range o.ErrCounts {
		n.ErrCounts[k] += v
	}
	return n
}

// SRStats has replication stats at site level
type SRStats struct {
	// Total Replica size in bytes
	ReplicaSize int64 `json:"replicaSize"`
	// Total Replica received
	ReplicaCount int64                `json:"replicaCount"`
	M            map[string]*SRStatus `json:"srStatusMap"`

          },
          "exemplar": true,
          "expr": "sum by (endpoint,server) (minio_cluster_replication_total_failed_bytes{job=\"$scrape_jobs\"})",
          "interval": "1m",
          "intervalFactor": 2,
          "legendFormat": "{{endpoint}},{{server}}",
          "refId": "A"
        }
      ],
      "title": "Total Failed Data",
      "type": "timeseries"
    },
    {
      "datasource": {

usage ratio_ is simply the drive space used by the file after erasure-encoding, divided by actual file size.

| Total Drives (N) | Data Drives (D) | Parity Drives (P) | Storage Usage Ratio |
|------------------|-----------------|-------------------|---------------------|
|               16 |               8 |                 8 |                2.00 |

					atomic.AddInt64(&lat, latency)
				})
				spent := time.Since(t)
				if spent > 0 && n > 0 {
					// Since we are benchmarking n parallel servers we need to multiply by n.
					// This will give an estimate of the total ops/s.
					latency := float64(atomic.LoadInt64(&lat)) / float64(time.Millisecond)
					b.ReportMetric(float64(n)*float64(ops)/spent.Seconds(), "vops/s")
					b.ReportMetric(latency/float64(ops), "ms/op")
				}
			})

	flag.StringVar(&object, "object", "", "Select an object")
	flag.StringVar(&deploymentID, "deployment-id", "", "MinIO deployment ID, obtained from 'format.json'")
	flag.IntVar(&setCount, "set-count", 0, "Total set count")
	flag.IntVar(&shards, "shards", 0, "Total shards count")
	flag.BoolVar(&verbose, "v", false, "Display all objects")

	flag.Parse()

	if deploymentID == "" {
		log.Fatalln("deployment ID is mandatory")
	}

// of a given io.Reader
type RequestRecorder struct {
	// Data source to record
	io.Reader
	// Response body should be logged
	LogBody bool

	// internal recording buffer
	buf bytes.Buffer
	// total bytes read including header size
	bytesRead int
}

// Close is a no operation closer
func (r *RequestRecorder) Close() error {
	// no-op
	return nil
}

		poolInfo.Decommission.TotalSize = pi.Total
		if poolInfo.Decommission.Failed || poolInfo.Decommission.Canceled {
			poolInfo.Decommission.CurrentSize = pi.Free
		} else {
			poolInfo.Decommission.CurrentSize = poolInfo.Decommission.StartSize + poolInfo.Decommission.BytesDone
		}
	} else {
		poolInfo.Decommission = &PoolDecommissionInfo{
			TotalSize:   pi.Total,
			CurrentSize: pi.Free,
		}
	}

| `minio_s3_requests_inflight_total`            | Total number of S3 requests currently in flight.         |
| `minio_s3_requests_rejected_auth_total`       | Total number S3 requests rejected for auth failure.      |
| `minio_s3_requests_rejected_header_total`     | Total number S3 requests rejected for invalid header.    |