| US 7,603,519 B2 | ||
| Storage system and method of controlling the same | ||
| Takahiko Takeda, Minamiashigara (Japan); Ryusuki Ito, Chigasaki (Japan); and Keiichi Kaiya, Hadano (Japan) | ||
| Assigned to Hitachi, Ltd., Tokyo (Japan) | ||
| Filed on Nov. 02, 2005, as Appl. No. 11/266,059. | ||
| Application 11/266059 is a continuation of application No. 10/633019, filed on Jul. 31, 2003, granted, now 7,003,634. | ||
| Claims priority of application No. 2003-093118 (JP), filed on Mar. 31, 2003. | ||
| Prior Publication US 2006/0059303 A1, Mar. 16, 2006 | ||
| Int. Cl. G06F 13/00 (2006.01) | ||
| U.S. Cl. 711—118 [711/148; 709/213; 709/216] | 1 Claim |
| 1. A control method adopted by a storage system including a first storage control apparatus having a first storage device
and a second storage control apparatus including a second storage device connected to the first storage control apparatus,
the control method comprising:
allowing the first storage control apparatus to receive a data write or read command from a host apparatus;
determining whether the data write or read command received from the host apparatus is to be executed by a data operation
involving the first storage device or a data operation involving the second storage device based upon management information
in the first storage control apparatus; and
writing data into the first storage device or the second storage device or reading out data from the first storage device
or the second storage device based upon the step of determining.
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