Patent ID: 7788457
Filing Date: 2010-08-31
Classification: G06F

Abstract:
1. A storage system comprising: a first storage system receiving file access via a LAN and receiving data block access commands using fibre channel protocol from an information processing apparatus, wherein said first storage system comprising a plurality of disk controllers, a plurality of storage devices each coupled to one of said plurality of disk controllers, and a plurality of channel controllers, wherein said first storage system processes copying of data on a file basis or directory basis, and on a logical unit basis, wherein in response to a replication management instruction from an information processing apparatus to said first storage system data from a source logical unit to a destination logical unit on an logical unit basis is copied, and wherein after said first storage system receives a stop replication management instruction from an information processing apparatus if a prosecution of writing data of a file or directory into the plurality of first logical volumes, the prosecution of writing data of a file or directory into the plurality of first logical volumes is held to the prosecution of said replication management instruction.