linkpi_firmware_history/rootfs/link/config/misc/disk.json

{
  "enable": true,
  "used": "local",
  "shared": {
    "ip": "",
    "type": "cifs",
    "path": "",
    "auth": {
      "uname": "",
      "passwd": ""
    }
  },
  "local": {
    "device": "/dev/sda1"
  }
}