You can also attach customer devices that will only connect to this storage area. The advantage of such a solution is that you can at any time increase the storage space. Obviously everything is encrypted and duplicated so if an element of the network is inaccessible (breakdown, network break ... etc.), this will be transparent to the user.
Good, the documentation and tutorials, whether for OSX, Linux or Windows (not yet available) are well done, but the setting up requires the command line so do not be surprised. Then for your users, an application Drive will allow them to see the volumes that are accessible to them and that has the rights on ... etc.
https://korben.info/wp-content/uploads/2016/01/capture-decran-2016-01-13-05.56.27-650x466.png