08MR4200, NGS(Next Generation Storage) System Research and Development,
Cheong Seung Kook
Abstract
디지털 정보의 급격한 증가는 데이터를 저장할 저장장치의 대용량화는 물론 저장 속도의 고속화가 요구된다. DRAM 기반 SSD 시스템은 저장매체를 기존의 하드디스크 대신 DRAM으로 구성하여 문제점을 해결할 수 있다. 하지만 저장장치가 휘발성이므로 정전 및 장애 발생 시 데이터의 손실을 최소화하기 위한 고속 데이터 백업이 매우 중요한 요소가 된다. 이에 본 연구에서는 기존의 디스크 기반이 아닌 DRAM 기반의 고속 백업 방식을 모델링하고, 성능을 분석하였다. 시뮬레이션 결과는 DRAM 기반 SSD 시스템의 효과적인 백업 방식 설계에 사용될 수 있다.
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