return path, err
	}
	if osIsNotExist(err) {
		// Disk not found create it.
		if err = mkdirAll(path, 0o777, ""); err != nil {
			return path, err
		}
	}
	if fi != nil && !fi.IsDir() {
		return path, errDiskNotDir
	}

	return path, nil
}

// Make Erasure backend meta volumes.
func makeFormatErasureMetaVolumes(disk StorageAPI) error {
	if disk == nil {
		return errDiskNotFound
	}

		}

		// 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()

	}
	return
}

func newBitrotWriter(disk StorageAPI, origvolume, volume, filePath string, length int64, algo BitrotAlgorithm, shardSize int64) io.Writer {
	if algo == HighwayHash256S {
		return newStreamingBitrotWriter(disk, origvolume, volume, filePath, length, algo, shardSize)
	}
	return newWholeBitrotWriter(disk, volume, filePath, algo, shardSize)
}

// (st_size, as made by say ftruncate(2)), would require a metadata flush.
//
// The aim of fdatasync() is to reduce disk activity for applications that
// do not require all metadata to be synchronized with the disk.
func Fdatasync(f *os.File) error {
	return syscall.Fdatasync(int(f.Fd()))
}

// FadviseDontNeed invalidates page-cache
func FadviseDontNeed(f *os.File) error {

	ahs.healStatus[tracker.ID] = t
	tracker.mu.RUnlock()
}

// Sort by zone, set and disk index
func sortDisks(disks []madmin.Disk) {
	sort.Slice(disks, func(i, j int) bool {
		a, b := &disks[i], &disks[j]
		if a.PoolIndex != b.PoolIndex {
			return a.PoolIndex < b.PoolIndex
		}
		if a.SetIndex != b.SetIndex {
			return a.SetIndex < b.SetIndex
		}

				4:  {vDelMarker, vObj}, // disk 4
				5:  {vDelMarker, vObj}, // disk 5
				6:  {vDelMarker, vObj}, // disk 6
				7:  {vDelMarker, vObj}, // disk 7
				8:  {vDelMarker, vObj}, // disk 8
				9:  {vDelMarker, vObj}, // disk 9
				10: {vObj},             // disk 10
				11: {vDelMarker, vObj}, // disk 11
				12: {vDelMarker, vObj}, // disk 12
				13: {vDelMarker, vObj}, // disk 13

		{"is-this-valid", getUmask()},
	}
	testCase := testCases[0]

	// Initialize a new xlStorage layer.
	disk, err := newLocalXLStorage(tmpPath)
	if err != nil {
		t.Fatalf("Initializing xlStorage failed with %s.", err)
	}

	// Attempt to create a volume to verify the permissions later.
	// MakeVol creates 0777.
	if err = disk.MakeVol(context.Background(), testCase.volName); err != nil {

policy_count=$(./mc admin policy list myminio/ | wc -l)

kill $pid

(minio server http://localhost:9000/tmp/xl/{1...10}/disk{0...1} http://localhost:9001/tmp/xl/{11...30}/disk{0...3} 2>&1 >/tmp/expanded_1.log) &
pid_1=$!

(minio server --address ":9001" http://localhost:9000/tmp/xl/{1...10}/disk{0...1} http://localhost:9001/tmp/xl/{11...30}/disk{0...3} 2>&1 >/tmp/expanded_2.log) &
pid_2=$!

sleep 30

#       ...
#       ./any.sh
#     or
#       export TF_ANY_EXTRA_ENV=ci/official/envs/local_rbe
#       ./any.sh
#       ...
set -euxo pipefail
cd "$(dirname "$0")/../../"  # tensorflow/
# Any request that includes "nightly_upload" should just use the
# local multi-cache (public read-only cache + disk cache) instead.

		}
		m[err.Error()]++
	}
}()

// Cleans up tmp directory of the local disk.
func bgFormatErasureCleanupTmp(diskPath string) {
	// Need to move temporary objects left behind from previous run of minio
	// server to a unique directory under `minioMetaTmpBucket-old` to clean
	// up `minioMetaTmpBucket` for the current run.
	//
	// /disk1/.minio.sys/tmp-old/
	//  |__ 33a58b40-aecc-4c9f-a22f-ff17bfa33b62