Patent attributes
Storage system and method are provided which integrate CAS name space with NAS name space in GNS. The storage system implements archive application functionalities, such as: 1) The name space of CAS can be integrated with NASs under GNS; 2) The storage system is equipped with CAS interface to receive the CAS command from an archive application; 3) The storage system is equipped with index creation and search functionalities; during file archiving from NAS to CAS, a detailed indexing is created; 4) During a file archiving from NAS to CAS, default metadata for the archived file is added; and 5) During a file restore, the storage system can maintain a pointer to the location on CAS, and the pointer is used at a file re-archiving to utilize original metadata and index for the re-archiving file.
