Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Patent
1995-05-05
1999-11-23
Follansbee, John A.
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
711163, G06F 1100
Patent
active
059918950
ABSTRACT:
A system and method for partitioning to support high availability of a multiprocessor system. The system comprises a plurality of masters, including processors, input/output devices, or the like, and is divided into regions. Per-region access rights are assigned to the system resources. The regions are grouped into partitions, wherein a partition is a portion of the system that is treated as a single unit with respect to failure. Failure of a master in a given region only affects resources accessible to that given region. Per-region access can be to main memory on a per-page basis, for example. Alternatively, the per-region access can limit access to directory storage, input/output ports and devices, control or diagnostics registers.
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Laudon James P.
Lenoski Daniel E.
Follansbee John A.
Silicon Graphics Inc.
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