return err
	}

	var w *os.File
	// Create file if not found. Not doing O_DIRECT here to avoid the code that does buffer aligned writes.
	// AppendFile() is only used by healing code to heal objects written in old format.
	w, err = s.openFileSync(filePath, os.O_CREATE|os.O_APPEND|os.O_WRONLY, volumeDir)
	if err != nil {
		return err
	}
	defer w.Close()

	n, err := w.Write(buf)