Method and system to locate a storage device

Details Method and system to locate a storage device Method and system to locate a storage device

2008-04-29

2008-04-29

Kindred, Alford (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S004000, C711S114000, C711S162000, C711S202000

Reexamination Certificate

active

07366856

ABSTRACT:
A system, to locate at least two storage devices from among a plurality of storage devices, receives a request for the data item. The request includes a data identifier for the data item. Next, the system generates a start number and a step number based on the data identifier. The system locates a first storage device utilizing the start number and, if the first storage device is available, the system reads the data item from the first storage device. However, if the first storage device is unavailable, the system utilizes the step number and the start number to compute a backup number that is utilized to locate a second storage device. If the second storage device is available, the system reads the data item from the second storage device.

REFERENCES:
patent: 4442503 (1984-04-01), Schutt et al.

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