Mount Disk
https://jingyan.baidu.com/album/a681b0de5b46db3b184346fc.html?picindex=2
Extension root directory:
https://blog.csdn.net/qq_38685754/article/details/85135264
Centos mount the hard drive (see, partition, format, mount) disk
https://www.fujieace.com/linux/centos-mount.html