if err != nil {
		b.Fatalf("failed to create test setup: %v", err)
	}
	disks := setup.disks
	erasure, err := NewErasure(context.Background(), data, parity, blockSizeV2)
	if err != nil {
		b.Fatalf("failed to create ErasureStorage: %v", err)
	}

	writers := make([]io.Writer, len(disks))
	for i, disk := range disks {
		if disk == nil {
			continue
		}

	}
	disks := setup.disks
	buffer := make([]byte, blockSizeV2, 2*blockSizeV2)
	content := make([]byte, size)

	for i := range dataDown {
		disks[i] = OfflineDisk
	}
	for i := data; i < data+parityDown; i++ {
		disks[i] = OfflineDisk
	}

	b.SetBytes(size)
	b.ReportAllocs()
	for b.Loop() {
		writers := make([]io.Writer, len(disks))
		for i, disk := range disks {

	totalDisks := offlineDisks.Merge(onlineDisks)

	// Report total capacity
	ch <- prometheus.MustNewConstMetric(
		prometheus.NewDesc(
			prometheus.BuildFQName(minioNamespace, "capacity_raw", "total"),
			"Total capacity online in the cluster",
			nil, nil),
		prometheus.GaugeValue,
		float64(GetTotalCapacity(server.Disks)),
	)

	// Report total capacity free

}

// Wrapper for calling PutObject tests for both Erasure multiple disks case
// when quorum is not available.
func TestObjectAPIPutObjectDiskNotFound(t *testing.T) {
	ExecObjectLayerDiskAlteredTest(t, testObjectAPIPutObjectDiskNotFound)
}

// Tests validate correctness of PutObject.
func testObjectAPIPutObjectDiskNotFound(obj ObjectLayer, instanceType string, disks []string, t *testing.T) {

		This    string `json:"this"`    // This field carries assigned disk uuid.
		// Sets field carries the input disk order generated the first
		// time when fresh disks were supplied, it is a two dimensional
		// array second dimension represents list of disks used per set.
		Sets [][]string `json:"sets"`
		// Distribution algorithm represents the hashing algorithm
		// to pick the right set index for an object.

	for _, disk := range diskInfo {
		// Ignore invalid.
		if disk.PoolIndex < 0 || len(s.Backend.StandardSCData) <= disk.PoolIndex {
			// https://github.com/minio/minio/issues/16500
			continue
		}
		// Ignore parity disks
		if disk.DiskIndex < s.Backend.StandardSCData[disk.PoolIndex] {
			capacity += disk.TotalSpace
		}
	}
	return
}

// GetTotalCapacityFree gets the total capacity free in the cluster.

	diskPaths    []string
	disks        []StorageAPI
}

// Returns an initialized setup for erasure tests.
func newErasureTestSetup(tb testing.TB, dataBlocks int, parityBlocks int, blockSize int64) (*erasureTestSetup, error) {
	diskPaths := make([]string, dataBlocks+parityBlocks)
	disks := make([]StorageAPI, len(diskPaths))
	var err error
	for i := range diskPaths {
		disks[i], diskPaths[i], err = newXLStorageTestSetup(tb)

	m.Set(healthCapacityRawTotalBytes, float64(GetTotalCapacity(storageInfo.Disks)))
	m.Set(healthCapacityRawFreeBytes, float64(GetTotalCapacityFree(storageInfo.Disks)))
	m.Set(healthCapacityUsableTotalBytes, float64(GetTotalUsableCapacity(storageInfo.Disks, storageInfo)))
	m.Set(healthCapacityUsableFreeBytes, float64(GetTotalUsableCapacityFree(storageInfo.Disks, storageInfo)))

	return nil

docs/debugging/s3-check-md5/s3-check-md5
docs/debugging/hash-set/hash-set
docs/debugging/healing-bin/healing-bin
docs/debugging/inspect/inspect
docs/debugging/pprofgoparser/pprofgoparser

		types = madmin.MetricType(t)
	} else {
		types = madmin.MetricsAll
	}

	disks := strings.Split(r.Form.Get("disks"), ",")
	byDisk := strings.EqualFold(r.Form.Get("by-disk"), "true")
	var diskMap map[string]struct{}
	if len(disks) > 0 && disks[0] != "" {
		diskMap = make(map[string]struct{}, len(disks))
		for _, k := range disks {
			if k != "" {
				diskMap[k] = struct{}{}
			}
		}
	}