Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2008-10-08
2010-02-23
Guyton, Philip (Department: 2113)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S043000, C714S044000
Reexamination Certificate
active
07669084
ABSTRACT:
A method, apparatus, and computer instructions for self-diagnosing remote I/O enclosures with enhanced FRU callouts. when a failure is detected on a RIO drawer, a data processing system uses the bulk power controller to provide an alternate path, rather than using the existing RIO links, to access registers on the I/O drawers. The system logs onto the bulk power controller, which provides a communications path between the data processing system and the RIO drawer. The communications path allows the data processing system to read all of the registers on the I/O drawer. The register information in the I/O drawer is then analyzed to diagnose the I/O failure. Based on the register information, the data processing system identifies a field replacement unit to repair the I/O failure.
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Duron Mike C.
McLaughlin Mark D.
Gerhardt Diana R.
Guyton Philip
International Business Machines - Corporation
Yee & Associates P.C.
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