The document discusses the Storwize Unified storage system from IBM. It provides file and block storage capabilities with tightly integrated management in a single system. Key features include support for file sharing protocols, file-level snapshots for backup and recovery, and IBM Active Cloud Engine technology for automated storage efficiency of files using user-defined policies. The system is based on the highly successful Storwize V7000 block storage platform and provides a unified interface for managing both file and block data.