05MW1500, The S/W Platform Development for Mobile Devices supporting Interworking between CDMA and HPi Network,
Sun Ja Kim
Abstract
통하여 저장 장치를 사용하는 네트워크 연결형 화일 시스템과 달리, 대용량 공유 저장장치 화일 시스템에서는 서버들이 데이타 전용망을 통하여 저장 장치를 직접 공유하여 사용한다. 이런 구조에서는 데이타의 일관성을 유지하기 위하여 잠금 관리자가 존재하여 제어망을 통하여 잠금 정보를 주고받는다. 또한 예기치 않은 제어망의 고장에 대비하여 리스를 사용한다. 하지만 제어망에 분할 고장이 발생할 경우 격리된 서버들은 고장이 해결되기 전까지는 더 이상 작업을 진행할 수 없게 된다. 본 논문에서는 이러한 제어망 분할 고장이 발생한 상황에서도 서버들이 계속 화일 시스템을 사용하여 작업을 진행할 수 있도록 하는 기법을 제안한다. 제안하는 기법은 주기적으로 각 서버들에게 리스를 순환하여 할당하는 방식으로 동작한다. 또한 제안하는 기법은 항상 데이타의 일관성을 유지함을 보인다.
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J. Kim et. al, "Trends in Lightweight Kernel for Many core Based High-Performance Computing", Electronics and Telecommunications Trends. Vol. 32, No. 4, 2017, KOGL Type 4: Source Indication + Commercial Use Prohibition + Change Prohibition
J. Sim et.al, “the Fourth Industrial Revolution and ICT – IDX Strategy for leading the Fourth Industrial Revolution”, ETRI Insight, 2017, KOGL Type 4: Source Indication + Commercial Use Prohibition + Change Prohibition
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