A storage network control apparatus is operable to present virtualized storage to a host system and includes a monitoring component, an analysis component, a detection component, and a migration component. An automated library user interface presents selectable matched object descriptor data associated with the image descriptor library data when a recognition match occurs between the selected object data of the digital image and the image descriptor library data. The medicament thus present is provided in a slow release form. The first plurality of rollers have a first tapered side face that contacts the first inner raceway and a second tapered side face that contacts the first outer raceway.