if volume == "" || volume == "." || volume == ".." {
		return "", errVolumeNotFound
	}
	volumeDir := pathJoin(s.drivePath, volume)
	return volumeDir, nil
}

func (s *xlStorage) checkFormatJSON() (os.FileInfo, error) {
	fi, err := Lstat(s.formatFile)
	if err != nil {
		// If the disk is still not initialized.
		if osIsNotExist(err) {
			if err = Access(s.drivePath); err == nil {