Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2005-11-29
2005-11-29
Bonzo, Bryce P. (Department: 2114)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S025000
Reexamination Certificate
active
06971046
ABSTRACT:
A system and method for testing I/O components without requiring initiation of the test I/O requests from the operating system via the instruction stream. An I/O system facilitates I/O operations between a processing system and I/O devices during normal I/O processing. An exerciser initiation queue is established, which corresponds to an operating initiation queue used during normal I/O processing. The I/O system is configured to monitor for test I/O requests on the exerciser initiation queue in lieu of monitoring for standard I/O requests on the operating initiation queue. A testing module enters the test I/O requests on the exerciser initiation queue in a format analogous to standard I/O requests entered on the operating initiation queue during normal I/O processing. The test I/O requests on the exerciser initiation queue are processed via the I/O system. Upon I/O completion, status may be returned to the testing module for processing of test results.
REFERENCES:
patent: 6615377 (2003-09-01), da Cruz et al.
patent: 6879939 (2005-04-01), Lang et al.
Crandall Carl R.
Johnson Craig B.
Park Haeng D.
Assessor Brian
Bonzo Bryce P.
Crawford & Maunu PLLC
Johnson Charles A.
Starr Mark T.
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