// However many we ask, versions must exist on ~50%
	listingQuorum := (askDisks + 1) / 2

	if askDisks > 0 && len(disks) > askDisks {
		rand.Shuffle(len(disks), func(i, j int) {
			disks[i], disks[j] = disks[j], disks[i]
		})
		fallbackDisks = disks[askDisks:]
		disks = disks[:askDisks]
	}

	// How to resolve results.
	resolver := metadataResolutionParams{
		dirQuorum: listingQuorum,
		objQuorum: listingQuorum,

	}
	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
		}

}

// shuffleDisks - shuffle input disks slice depending on the
// erasure distribution. Return shuffled slice of disks with
// their expected distribution.
func shuffleDisks(disks []StorageAPI, distribution []int) (shuffledDisks []StorageAPI) {
	if distribution == nil {
		return disks
	}
	shuffledDisks = make([]StorageAPI, len(disks))
	// Shuffle disks for expected distribution.
	for index := range disks {

	var uploadIDs []string
	var disk StorageAPI
	disks := er.getOnlineLocalDisks()
	if len(disks) == 0 {
		// If no local, get non-healing disks.
		var ok bool
		if disks, ok = er.getOnlineDisksWithHealing(false); !ok {
			disks = er.getOnlineDisks()
		}
	}

	for _, disk = range disks {
		if disk == nil {
			continue
		}
		if !disk.IsOnline() {
			continue
		}

		writers := make([]io.Writer, len(disks))
		for i, disk := range disks {
			if disk == OfflineDisk {
				continue
			}
			disk.Delete(context.Background(), "testbucket", "object", DeleteOptions{
				Recursive: false,
				Immediate: false,
			})
			writers[i] = newBitrotWriter(disk, "", "testbucket", "object", erasure.ShardFileSize(size), DefaultBitrotAlgorithm, erasure.ShardSize())
		}

}

func readAllRawFileInfo(ctx context.Context, disks []StorageAPI, bucket, object string, readData bool) ([]RawFileInfo, []error) {
	rawFileInfos := make([]RawFileInfo, len(disks))
	g := errgroup.WithNErrs(len(disks))
	for index := range disks {
		index := index
		g.Go(func() (err error) {
			if disks[index] == nil {
				return errDiskNotFound
			}
			rf, err := disks[index].ReadXL(ctx, bucket, object, readData)

		float64(totalDisks.Sum()),
	)

	for _, disk := range server.Disks {
		// Total disk usage by the disk
		ch <- prometheus.MustNewConstMetric(
			prometheus.NewDesc(
				prometheus.BuildFQName(diskNamespace, "storage", "used"),
				"Total disk storage used on the drive",
				[]string{"disk"}, nil),
			prometheus.GaugeValue,
			float64(disk.UsedSpace),
			disk.DrivePath,
		)

	if shuffledDisks[0] != disks[8] ||
		shuffledDisks[1] != disks[7] ||
		shuffledDisks[2] != disks[9] ||
		shuffledDisks[3] != disks[6] ||
		shuffledDisks[4] != disks[10] ||
		shuffledDisks[5] != disks[5] ||
		shuffledDisks[6] != disks[11] ||
		shuffledDisks[7] != disks[4] ||
		shuffledDisks[8] != disks[12] ||
		shuffledDisks[9] != disks[3] ||
		shuffledDisks[10] != disks[13] ||
		shuffledDisks[11] != disks[2] ||

		m.ByDisk = make(map[string]madmin.DiskMetric)
		aggr := madmin.DiskMetric{
			CollectedAt: time.Now(),
		}
		for name, disk := range collectLocalDisksMetrics(opts.disks) {
			m.ByDisk[name] = disk
			aggr.Merge(&disk)
		}
		m.Aggregated.Disk = &aggr
	}

	if types.Contains(madmin.MetricsScanner) {
		metrics := globalScannerMetrics.report()
		m.Aggregated.Scanner = &metrics
	}

		}

		// Step 3: Upload the object with some disks offline
		sets.erasureDisksMu.Lock()
		xl.getDisks = func() []StorageAPI {
			disks := make([]StorageAPI, len(origErasureDisks))
			copy(disks, origErasureDisks)
			disks[0] = nil
			disks[1] = nil
			return disks
		}
		sets.erasureDisksMu.Unlock()