NumVersions:      1,
		SuccessorModTime: time.Time{},
	}
	xl := xlMetaV2{}
	var versions []FileInfo
	var allVersionIDs, freeVersionIDs []string
	for i := range 5 {
		fi := basefi
		fi.VersionID = mustGetUUID()
		fi.DataDir = mustGetUUID()
		fi.ModTime = basefi.ModTime.Add(time.Duration(i) * time.Second)
		if err := xl.AddVersion(fi); err != nil {
			t.Fatalf("%d: Failed to add version %v", i+1, err)
		}

	// bigFileThreshold is the point where we add readahead to put operations.
	bigFileThreshold = 128 * humanize.MiByte

	// XL metadata file carries per object metadata.
	xlStorageFormatFile = "xl.meta"

	// XL metadata file backup file carries previous per object metadata.
	xlStorageFormatFileBackup = "xl.meta.bkp"
)

var alignedBuf []byte

func init() {
	alignedBuf = disk.AlignedBlock(xioutil.DirectioAlignSize)

		t.Fatalf("Unable to create a file \"as-file\", %s", err)
	}

	fi, err := xlStorage.ReadVersion(t.Context(), "", "exists-legacy", "as-file", "", ReadOptions{})
	if err != nil {
		t.Fatalf("Unable to read older 'xl.json' content: %s", err)
	}

	if !fi.XLV1 {

Harshavardhana <******@****.***> 1744208919 -0700

		var xl xlMetaV2
		err = xl.Load(data)
		if err != nil {
			t.Fatal(err)
		}
		test(t, &xl)
	})
	t.Run("roundtrip", func(t *testing.T) {
		var xl xlMetaV2
		err = xl.Load(data)
		if err != nil {
			t.Fatal(err)
		}
		data, err = xl.AppendTo(nil)
		if err != nil {
			t.Fatal(err)
		}
		xl = xlMetaV2{}
		err = xl.Load(data)
		if err != nil {

		b.Run(fmt.Sprint(size, "-versions"), func(b *testing.B) {
			var xl xlMetaV2
			ids := make([]string, size)
			for i := range size {
				fi.VersionID = mustGetUUID()
				fi.DataDir = mustGetUUID()
				ids[i] = fi.VersionID
				fi.ModTime = fi.ModTime.Add(-time.Second)
				xl.AddVersion(fi)
			}
			// Encode all. This is used for benchmarking.
			enc, err := xl.AppendTo(nil)
			if err != nil {
				b.Fatal(err)
			}

	}
	var succModTime time.Time
	isLatest := true
	dst := make([]FileInfo, 0, vers)
	var xl xlMetaV2Version
	err = decodeVersions(buf, vers, func(idx int, hdr, meta []byte) error {
		if _, err := xl.unmarshalV(metaV, meta); err != nil {
			return err
		}
		if !xl.Valid() {
			return errFileCorrupt
		}
		fi, err := xl.ToFileInfo(volume, path, allParts)
		if err != nil {
			return err
		}

	xl := xlStorageDiskIDCheck{
		storage:      storage,
		health:       newDiskHealthTracker(),
		healthCheck:  healthCheck && globalDriveMonitoring,
		metricsCache: cachevalue.New[DiskMetrics](),
	}
	xl.SetDiskID(emptyDiskID)

	xl.totalWrites.Store(xl.storage.getWriteAttribute())
	xl.totalDeletes.Store(xl.storage.getDeleteAttribute())
	xl.diskCtx, xl.diskCancel = context.WithCancel(context.TODO())

Klaus Post <******@****.***> 1756435188 +0200

go install github.com/minio/minio/docs/debugging/xl-meta@latest
```

### Using xl-meta