KR101020016B1 - 실행 프로그램의 복제를 위한 이벤트 로그의 전송을 향상시키는 방법 - Google Patents
실행 프로그램의 복제를 위한 이벤트 로그의 전송을 향상시키는 방법 Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/2097—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements maintaining the standby controller/processing unit updated
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
- G06F11/2038—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant with a single idle spare processing component
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
- G06F11/2048—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant where the redundant components share neither address space nor persistent storage
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Abstract
Description
Claims (10)
- 제1 저장 장치(storage)를 갖는 컴퓨터 시스템 상에서 실행되는 프로그램을 복제하기 위해 상기 컴퓨터 시스템 상에서 실행하는 방법으로서, 상기 컴퓨터 시스템으로부터 하나의 목적지(destination)에 액세스 가능하고, 상기 방법은,비결정적 이벤트(non-deterministic event)에 응답하여, 상기 이벤트에 대응하는 실행 프로그램으로부터의 실행 프로그램 요청을 차단하고;상기 비결정적 이벤트가 상기 복제될 실행 프로그램에 대한 입력인 메시지에 대응하는지 아니면 출력 메시지를 보내기 위한 상기 실행 프로그램으로부터의 출력 요청에 대응하는지 결정하고 - 상기 비결정적 이벤트는 무중단 이벤트(non-abortable event)임 - ;무중단 이벤트가 발생하지 않는 것에 응답하여, 상기 제1 저장 장치에 상기 이벤트를 로깅(logging)하고, 상기 이벤트를 상기 복제될 실행 프로그램에 전달하고, 상기 실행 프로그램 요청을 차단 해제(unblock)하고;무중단 이벤트에 응답하여, 상기 목적지에 상기 제1 저장 장치의 콘텐츠를 전송하고, 상기 목적지로부터 확인응답이 수신되는 것에 응답하여, 상기 실행 프로그램 요청을 차단 해제하는 것을 포함하는 방법.
- 청구항 1에 있어서,무중단 이벤트와 상기 제1 저장 장치가 완전히 찬(full) 것에 응답하여, 상기 목적지에 상기 제1 저장 장치의 콘텐츠를 전송하고, 상기 목적지로부터 확인응답이 수신되는 것에 응답하여, 상기 실행 프로그램 요청을 차단 해제하는 것을 더 포함하는 방법.
- 청구항 1에 있어서,무중단 이벤트의 각각의 발생시 리셋되는 타이머의 만료(expiration)에 응답하여, 상기 목적지에 상기 제1 저장 장치의 콘텐츠를 전송하고, 상기 목적지로부터 확인응답이 수신되는 것에 응답하여, 상기 실행 프로그램 요청을 차단 해제하는 것을 더 포함하는 방법.
- 청구항 1에 있어서,무중단 이벤트에 응답하여,제2 저장 장치에 상기 무중단 이벤트를 기록하고;상기 실행 프로그램 요청을 차단 해제하고, 이 해제와 동시에,상기 목적지에 상기 제1 저장 장치의 콘텐츠를 전송하고, 상기 목적지로부터 확인응답이 수신되는 것에 응답하여, 상기 실행 프로그램 요청을 수행하고, 상기 제2 저장 장치로부터 상기 무중단 이벤트를 삭제하는 것을수행하는 것을 더 포함하는 방법.
- 청구항 4에 있어서,무중단 이벤트와 상기 제2 저장 장치가 완전히 찬 것에 응답하여, 삭제 단계가 실행되고 상기 제2 저장 장치가 더 이상 완전히 차지 않게 될 때까지 상기 제2 저장 장치가 완전히 차 있는지 다시 테스트하는 것을 더 포함하는 방법.
- 청구항 4에 있어서,무중단 이벤트와 상기 제2 저장 장치가 완전히 차지 않은 것에 응답하여, 상기 제2 저장 장치에 상기 무중단 이벤트를 기록하고, 상기 실행 프로그램 요청을 차단 해제하고;무중단 이벤트와 상기 제2 저장 장치가 완전히 찬 것에 응답하여, 상기 제2 저장 장치에서의 모든 무중단 이벤트 및 마지막 무중단 이벤트에 대하여, 상기 목적지에 상기 마지막 무중단 이벤트까지의 상기 제1 저장 장치의 콘텐츠를 전송하고, 확인응답이 수신되는 것에 응답하여, 상기 요청을 수행하고, 상기 제2 저장 장치로부터 상기 무중단 이벤트를 삭제하는 것을 더 포함하는 방법.
- 청구항 1에 있어서,상기 제1 저장 장치는 선입선출(first-in-first-out) 버퍼를 포함하는 것인 방법.
- 청구항 4에 있어서,상기 제2 저장 장치는 캐시 메모리를 포함하는 것인 방법.
- 컴퓨터 판독가능한 프로그램이 기록되어 있는 컴퓨터 판독가능한 기록매체로서,상기 컴퓨터 판독가능한 프로그램은 컴퓨팅 디바이스 상에서 실행될 때 상기 컴퓨팅 디바이스로 하여금 청구항 1 내지 청구항 8 중 어느 한 항에 따른 방법의 단계들을 수행하도록 하는 것인 컴퓨터 판독가능한 기록매체.
- 컴퓨터 장치로서,프로세서; 및상기 프로세서에 연결된 메모리를 포함하고,상기 메모리는, 상기 프로세서에 의해 실행될 때, 상기 프로세서로 하여금 청구항 1 내지 청구항 8 중 어느 한 항에 따른 방법의 단계들을 수행하도록 하는 명령어들을 포함하는 것인 컴퓨터 장치.
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EP06300896 | 2006-08-28 | ||
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KR101020016B1 true KR101020016B1 (ko) | 2011-03-09 |
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US (1) | US8984513B2 (ko) |
EP (1) | EP2062139B1 (ko) |
KR (1) | KR101020016B1 (ko) |
AT (1) | ATE445878T1 (ko) |
DE (1) | DE602007002828D1 (ko) |
ES (1) | ES2335055T3 (ko) |
WO (1) | WO2008025575A1 (ko) |
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US20090328044A1 (en) | 2009-12-31 |
ATE445878T1 (de) | 2009-10-15 |
KR20090048607A (ko) | 2009-05-14 |
DE602007002828D1 (de) | 2009-11-26 |
ES2335055T3 (es) | 2010-03-18 |
EP2062139A1 (en) | 2009-05-27 |
EP2062139B1 (en) | 2009-10-14 |
WO2008025575A1 (en) | 2008-03-06 |
US8984513B2 (en) | 2015-03-17 |
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