Storage device for processing an access request from a host...

Details Storage device for processing an access request from a host... Storage device for processing an access request from a host...

2005-07-05

2005-07-05

Kim, Matthew (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C714S006130

Reexamination Certificate

active

06915379

ABSTRACT:
A control method which is used in a RAID1 storage subsystem including a plurality of storage devices, and processes an access request from a host computer with the cooperation of the plurality of storage devices of the storage subsystem is provided. In the storage subsystem, each storage device of the RAID1 storage subsystem includes a unit for sharing an access request from the host computer, and a unit for determining if the storage device should process the shared access request. The storage device further includes a unit for transferring write data, which is transmitted from the host computer to the storage subsystem, to at least a storage device that should process it.

REFERENCES:
patent: 5432922 (1995-07-01), Polyzois et al.
patent: 5583876 (1996-12-01), Kakuta
patent: 5768623 (1998-06-01), Judd et al.
patent: 7-281959 (1995-10-01), None
patent: 10-74129 (1998-03-01), None
patent: 10171559 (1998-06-01), None
patent: 1998-014208 (1998-05-01), None
D.A. Patterson et al, “A Case for Redundant Arrays of Inexpensive Disks (RAID) ”, Proceedings of ACM SIGMOD, 1988.

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