Method of specifying access sequence of a storage device

Details Method of specifying access sequence of a storage device Method of specifying access sequence of a storage device

2007-02-23

2010-10-19

Ellis, Kevin L (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C710S006000, C711S112000, C711S151000, C711S205000, C711S206000, C711S207000, C718S100000, C718S103000

Reexamination Certificate

active

07818520

ABSTRACT:
The present invention is to provide a method of specifying access sequence of a storage device, wherein queues with different priority are created in the storage device for recording access requests from at least one server at the front-end of the storage device to manage the access operation, and are recorded corresponding to the front-end servers and the priority thereof respectively via a priority table. When the front-end server makes an access request, the request will be added to the corresponding queue according to the source front-end server, and each queue will be processed according to the priority thereof. The maximum workload of the access request processed every single time of each queue is set respectively. Thus, the access requests of the queues with higher priority will be processed within a shorter time.

REFERENCES:
patent: 5937205 (1999-08-01), Mattson et al.
patent: 7337285 (2008-02-01), Tanoue

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