CAJ | 학술논문

设计和实现了一种具有适应能力的虚拟存储系统--AVSS,同时提供存储系统容量虚拟化和性能虚拟化管理.AVSS具有如下特征:1)采用扩展的YFQ算法控制带宽资源分配.实现虚拟设备间的性能隔离和性能保证;2)采用分级结构和动态映射机制灵活有效地管理异构存储资源,为资源按需分配提供基础;3)通过数据访问频度统计和应用动态行为分析指导存储布局重组.测试结果表明了设计的正确性,AVSS能够隔离不同应用避免性能干扰,可以按照应用行为调整存储布局,在提高存储系统性能的同时提高了存储资源的利用率.
설계화실현료일충구유괄응능력적허의존저계통--AVSS,동시제공존저계통용량허의화화성능허의화관리.AVSS구유여하특정:1)채용확전적YFQ산법공제대관자원분배.실현허의설비간적성능격리화성능보증;2)채용분급결구화동태영사궤제령활유효지관리이구존저자원,위자원안수분배제공기출;3)통과수거방문빈도통계화응용동태행위분석지도존저포국중조.측시결과표명료설계적정학성,AVSS능구격리불동응용피면성능간우,가이안조응용행위조정존저포국,재제고존저계통성능적동시제고료존저자원적이용솔.
An adaptable virtual storage system(AVSS)is designed and implemented,which has the ability of storage capacity and performance virtualization management simultaneously.AVSS has following features:1)Using the extended YFQ algorithm to control bandwidth resource allocation for performance isolation of virtual devices;2)Using the hierarchical structure and dynamic address mapping mechanism to effectively and flexibly manage the heterogeneous storage resources for resource allocation on-demand;3)Using the data access frequency statistics and applying dynamic behavior analysis to guide the layout reorganization.Test results show that our design is correct and AVSS can improve the storage system performance while increase the storage resource utilization.