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이동엽 ( Dong Yup Lee ),권영은 ( Young Eun Kwon ),이가영 ( Ga Young Lee ),오상규 ( Sang Gyu Oh ),하유 ( You Ha ) 대한통합의학회 2013 대한통합의학회지 Vol.1 No.1
Purpose Purpose : The study was designed to identify the change of body alignment according to surface during walking with backpack. Methods : Healthy twenty people(10 men & 10 women) participated in this study. The exclusion criteria were orthopedic and neurologic disease. Initial alignment measurements were performed. Results were evaluated by angle and range from earlobe to acromion, acromion to malleolus and earlobe to malleolus in the GPS system. Results : On the hard surface, the distance and angle from malleolus to earlobe increased after walking with backpack which is 20 % of weight(p<.05). In addition the distance from malleolus to acromion and the angle from earlobe to acromion increased(p<.05). On the soft surface, on the other hand, the distance and angle from malleolus to earlobe decreased after walking with backpack which is 20 % of weight(p<.05). There was no relationship between the change of the surface and the body`s alignment(p>.05). Conclusion : Consequently, the body alignment was changed by backpack which is 20 % of weight. but body alignment wasn`t changed by the surface. So more study need to be surveyed regard of this.
리눅스 클러스터 화일 시스템 SANique™의 오류 탐지 기법
임화정(Hwa-Jung Lim),이규웅(Kyu-Woong Lee),이장선(Jang-Sun Lee),오상규(Sang-Gyu Oh) 한국정보과학회 2002 한국정보과학회 학술발표논문집 Vol.29 No.1B
본 논문은 SAN(storage area network)상에 네트워크-부착형(network-attached) 저장 장치들을 직접 연결하여 화일 서버 없이 직접 데이터 전송이 가능한 SAN 기반의 리눅스 클러스터 공유 화일 시스템인 SANique™의 오류 탐지 기법 및 회복 기법에 대하여 기술한다. 클러스터 내의 노드 오류에 의해 발생하는 “split-brain” 오류 상황 및 문제점을 공유 화일 시스템 환경 하에서 정의하고, 이 문제를 해결할 수 있는 오류 탐지 기법을 제시한다.