Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2011-01-11
2011-01-11
Beausoliel, Robert (Department: 2113)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S003000, C714S044000, C714S048000, C709S224000, C709S226000, C710S307000, C718S102000, C718S104000
Reexamination Certificate
active
07870426
ABSTRACT:
The invention provides an apparatus, system, and method for cluster-wide peer recovery in the event of a computer failure. A failure of a first computer is detected and a recovery module is registered as the first computer. In one embodiment, the recovery module is a peer computer. The recovery module retrieves a privately held undo log data through the authorized assumption of the failure identity associated with the failed first computer, backs out in-flight transaction updates of the first computer, and frees up data resources locked by the first computer.
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Bretschneider Ronald Edward
Dais, legal representative Michelle Parks
Duquette Marc Kenneth
Edwards William Stuart
Ferziger Ruth Leslie
Arcos Jeison C
Beausoliel Robert
International Business Machines - Corporation
Kunzler Needham Massey & Thorpe
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