ZoneMinder issue

Hi all,

I would like to use ZoneMinder, but I have an issue with it, I dont know where are my video events.
I followed the Rockstor documentation :

So I created 2 share for storage : zm-data and zm-mysql
I finish the installation and go on the ZoneMinder UI.
I go in the settings, storage, and I create a new one with the path “/config”
I set my cam with my new storage.
But, in log, when an event happen : “zma_ma : Can’t mkdir /config/1: Permission denied”

How I can solve this please ?

My ZoneMinder configuration :

The default storage (is working but not accessible in my Rockstor) :