To expand an existing Volume Group and your existing RAID Set. Migrate your new drives using your controller’s instructions on how to do this properly. Once this is completed go to the Extended Tools console screen of the iSCSI Server by entering ctrl. + alt. + x select PV Resizing and select the new size. Then go to the GUI and you will see the new VG, you can add this to the existing VG0 or create a new VG.