if err = os.WriteFile(formatPath, formatData, 0o666); err != nil {
			return nil, nil, err
		}
		formatFi, err := Lstat(formatPath)
		if err != nil {
			return nil, nil, err
		}
		return formatData, formatFi, nil
	}

	switch version {
	case formatErasureVersionV1:
		formatData, err = formatErasureMigrateV1ToV2(formatData, version)
		if err != nil {

	if err = os.WriteFile(pathJoin(rootPath, minioMetaBucket, formatConfigFile), b, os.FileMode(0o644)); err != nil {
		t.Fatal(err)
	}

	formatData, _, err := formatErasureMigrate(rootPath)
	if err != nil {
		t.Fatal(err)
	}

	migratedVersion, err := formatGetBackendErasureVersion(formatData)
	if err != nil {
		t.Fatal(err)
	}

	if migratedVersion != formatErasureVersionV3 {