Transform a Xiaomi router 3G rebooted with OpenWrt 18.06.1 into a NAS by mounting a Seggate hardisk using USB3.0.

Intro

My vision

Transform a Xiaomi router 3G rebooted with OpenWrt 18.06.1 into a NAS by mounting a Seggate hardisk using USB3.0.

About OpenWrt

OpenWrt is an open source linux based light-weight system aiming for free manipulation of router hardware.

Build local network

Connect desktop. labtop, mobile devices together with router.
在win10中指定文件上点击共享文件夹，设置相关用户权限即可。
访问时在资源管理器(explorer) 中输入上述页面的对应路径即可。
具体操作不赘述，百度上的各种帖子讲的十分详细。
这一步骤主要是省去资料迁移的繁琐，也方便日后备份资料。

Current state

• Xiaomi Router Original System for NAS
  小米路由器3G原生系统支持USB3.0扩展为NAS,虽然带宽有限，但说明硬件层面支持NAS扩展。
• Official guide of OpenWrt
  With frequently used command list,
  such as checking disk free ‘df’
  and checking current system version ‘cat/proc/version’
  It is also claimed that the USB3.0 and 2.4GHz WAN interfere each other. This might be a critical problem to tackle.

Restart

Forgot the password, then press reset and the default account root will have password admin
The basic setting is conecting to modem as WAN using ethernet cable or wifi, the rest are assigned to LAN.
SSH access using Win OpenSSH may encounter:
“Unable to negotiate with xxx no matching host key type found. Their offer: ssh-rsa”
If so, use
“ssh -oHostKeyAlgorithms=+ssh-rsa”