Storage control apparatus and control method thereof

Details Storage control apparatus and control method thereof Storage control apparatus and control method thereof

2006-11-28

2006-11-28

Fleming, Fritz (Department: 2181)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output access regulation

C710S005000

Reexamination Certificate

active

07143209

ABSTRACT:
A storage control apparatus concatenates a plurality of logical units to construct a large capacity logical unit, wherein logical units extending over a plurality of controllers can be concatenated. The channel adapter sends an I/O request to one controller which charges one logical unit constituting the concatenation logical unit, out of a plurality of controllers when an I/O request is sent from a host to the concatenation logical unit LU linking a plurality of logical units, executes I/O processing in the one controller, then sends the I/O request to another controller which charges another logical unit constituting the concatenation logical unit, and continues I/O processing in the another controller.

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patent: 2003/0182503 (2003-09-01), Leong et al.
patent: 61-136123 (1986-06-01), None
patent: 6-004451 (1994-01-01), None
patent: WO99/59064 (1999-11-01), None

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