System and method for input/output scheduling

Details System and method for input/output scheduling System and method for input/output scheduling

2004-06-15

2008-11-25

Patel, Niketa I. (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output command process

C710S015000, C710S100000, C710S107000, C710S111000, C712S001000, C712S032000, C712S042000, C712S043000

Reexamination Certificate

active

07457886

ABSTRACT:
A system and method for Input/Output scheduling are described herein. In one embodiment, the method includes installing a plurality of Input/Output (I/O) schedulers to schedule I/O requests for a plurality of I/O devices, wherein each of the I/O schedulers schedules I/O requests according to a different scheduling method. The method also includes scheduling one of the I/O requests with at least one of the plurality of I/O schedulers. The method also includes determining that a second I/O scheduler replaces an I/O scheduler of the plurality of I/O schedulers, installing the second I/O scheduler, and scheduling one of the I/O requests with the second scheduler.

REFERENCES:
patent: 5394547 (1995-02-01), Correnti et al.
patent: 6160812 (2000-12-01), Bauman et al.
patent: 6904470 (2005-06-01), Ofer et al.
patent: 2005/0144332 (2005-06-01), Nellitheertha

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