Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2005-08-23
2005-08-23
Beausoliel, Robert (Department: 2113)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
Reexamination Certificate
active
06934891
ABSTRACT:
A storage system includes a storage controller connected to higher-level devices and a plurality of storages connected to the storage controller for storing data from the higher-level devices. The storage controller includes a channel controller for establishing interface for the higher-level devices, the channel controller including trace information representing details of the interface, and storages for storing the trace information from the channel controller in a format which can be accessed by the higher-level devices. In this configuration, when the channel controller receives a trace information fetching indication from one of the higher-level devices, the channel controller transfers trace information to a cache memory and the storages or to the cache memory or the storages.
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Goto Youichi
Kawaguchi Masahiro
Nakayama Shin-ichi
Yokohata Shizuo
Beausoliel Robert
Duncan Marc M.
Hitachi , Ltd.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
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