COMPUTER SYSTEM, STORAGE APPARATUS AND DATA TRANSFER METHOD

摘要

Speed of processing of transferring data stored in a storage apparatus to an external apparatus is increased. A storage apparatus according to the present invention: creates a non-decompression volume set to refer to a compression pool that compresses and stores data; decompresses and provides the data stored in the compression pool to a host computer; and provides the compressed data as is to other external apparatuses via the non-decompression volume.