How to recovery database when it is broken.

Zyxel_Stanley

When file system broken, the device is unable boot up successfully.
And may display error log like:

mount: wrong fs type, bad option, bad superblock on /dev/loop0,

       missing codepage or other error

You can the follow this steps to recovery device database.(Console cable is required)

(1) Plug-in power cable and enter to debug mode.

(2) Enter at command:
a. atcd 0
b. atkz -f -l 192.168.1.1
c. atgof

(3) After device boots up, connect your network cable to USG Port1 and change IP address as the same subnet in 192.168.1.0/24.

(4) PC access to USG FTP by 192.168.1.1 and upload .db file to to USG.
a. bin
b. hash
c. put *the file path of .db*

(5) After uploaded successfully then do hardware reboot again.
Then system should able boots up successfully.