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METHOD AND SYSTEM TO HANDLE HARDWARE FAILURES IN CRITICAL SYSTEM COMMUNICATION PATHWAYS VIA CONCURRENT MAINTENANCE
METHOD AND SYSTEM TO HANDLE HARDWARE FAILURES IN CRITICAL SYSTEM COMMUNICATION PATHWAYS VIA CONCURRENT MAINTENANCE
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机译:通过同时维护来处理关键系统通信路径中的硬件故障的方法和系统
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摘要
A method of preventing failed field replaceable units (FRUs) directly connected to an interprocessor bus or fabric from interfering with the operation of a computer system during concurrent maintenance operations. When a FRU fails a concurrent maintenance operation, the service processor stores identification information corresponding to the failed FRU in an alert fail registry or a hot add fail registry and reports the failure status to a user. When a user attempts to perform a new concurrent maintenance operation on a FRU, the service processor compares that FRU to the alert fail registry or the hot add fail registry. If a concurrent maintenance operation on the requested FRU would cause a system crash due to interference with the failed FRU, the service processor notifies the repair and verify application (which notifies the user) and prevents concurrent maintenance operations from occurring on the new FRU.
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