https://blog.faceutil.com/2022/10/21/hdd-regenerator-%ed%95%98%eb%93%9c%eb%94%94%ec%8a%a4%ed%81%ac%ec%9d%98-%eb%ac%bc%eb%a6%ac-%eb%85%bc%eb%a6%ac%ec%a0%81-%eb%b0%b0%eb%93%9c%ec%84%b9%ed%84%b0-%ec%b2%b4%ed%81%ac-%ec%88%98%eb%a6%ac/