Storage system with performance limit detection unit and...

Details Storage system with performance limit detection unit and... Storage system with performance limit detection unit and...

2009-07-09

2011-11-01

Kindred, Alford (Department: 2181)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral monitoring

C710S117000

Reexamination Certificate

active

08051219

ABSTRACT:
A highly-reliable storage system and data input/output control method, which can ensure priority data input/output performance, is provided. A performance limit, which is the number of data input/output processes per unit of time, is detected; and a processing percentage for each of one or more priority targets for which data input/output processing should be prioritized, and a group of one or more non-priority targets that includes of one or more other targets, which correspond to input/output processing request types, is determined based on the performance limit detected, and a targeted performance; and the storage apparatus executes data input/output processing for the one or more priority targets and the group of one or more non-priority targets at respective frequencies determined by the processing percentage determination unit.

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