DISK ARRAY SYSTEM AND METHOD FOR CONTROLLING DISK ARRAY SYSTEM

摘要

The disk array system includes a first controller adapted to transfer/receive data to/from a host computer and to receive/transfer data from/to first type disk drive units via a first type interface of the first controller; a second controller adapted to transfer/receive data to/from the host computer and/or another host computer and to receive/transfer data from/to the first type disk drive units via a first type interface of the second controller, the first type disk drive units each having a converter and a first type disk drive, the converter converting between a first type protocol and a second type protocol, the first type disk drive having a second type interface and storing data converted to the second type protocol by the converter; and an expansion housing including the first type disk drive units. Each of the first type disk drive units are coupled to both the first and second controllers.