Multiplex communications – Diagnostic testing – Fault detection
Reexamination Certificate
2005-07-28
2009-02-24
Pham, Brenda (Department: 2616)
Multiplex communications
Diagnostic testing
Fault detection
C370S389000
Reexamination Certificate
active
07496045
ABSTRACT:
A method, mechanism and computer usable medium is provided for distributing I/O fabric errors to the appropriate root nodes in a multi-root environment. The case where the I/O fabric is attached to more than one root node and where each root can potentially share with the other roots the I/O adapter (IOA) resources which are attached to the I/O is addressed. Additionally, a method, mechanism and computer usable medium is provided by which errors detected in an I/O fabric may be routed to all root nodes which may be affected by the error, while not being reported to the root nodes that will not be affected by those errors. In particular, distributed computing system which uses the PCI Express protocol to communicate over the I/O fabric is addressed.
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Boyd William T.
Freimuth Douglas M.
Holland William G.
Hunter Steven W.
Recio Renato J.
Baca Matthew W.
Glanzman Gerald H.
International Business Machines - Corporation
Pham Brenda
Yee Duke W.
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