ArchLinux u盘只读

gpasswd -a [用户名] [组名]
加入用户组
gpasswd -a zhouitpro storage

详细:
https://wiki.archlinux.org/index.php/Users_and_Groups_%28%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87%29