For restrictive reuse, each cell is assigned a set of usable subbands that may be allocated to users in the cell and a set of forbidden subbands that is not used. The devices can contain multiple rotatable door panels, which can be positioned behind one another. By altering the association between individual storage resources and the servers responsible for them on the storage network, a more efficient and reliable system for access to the data may be provided. Each receiver is adapted to reconfigure a portion of an aperture in response to an optical feed from an associated VCSEL.