I set up a K8s cluster using Hetzner products with Rook/Ceph. I've attached a 200GB volume to each nodes. Running a lvmdiskscan command I get :

/dev/sda1 [< 38.15 Gib]
/dev/sdab [< 200.00 Gib]
1 disk
1 partition
0 LVM physical volume whole disks
0 LVM physical volumes

I wonder how Rook can take into account this additional storage.