disk summary

I'm new to proxmox and setting up our first server at work. My system is setup with 2 SSD OS drives with a hardware RAID 1, and two 2TB drives with a hardware RAID 1. The 2TB drive is mounted at /mnt/storage and it's where I've created my storage, isos, backups, etc, directories. Currently...

After I installed DRBD by following this: https://pve.proxmox.com/wiki/DRBD9 I recognized that from the webinterface (GUI) disk summary shows wrong informations: I've got 1.6TiB disk on both node but it see together. Here is my storage.cfg: drbd: drbd1 nodes n1,n2 content...