A high-availability software update method for distributed storage systems

被引:1
|
作者
Department of Computer Science, Graduate School of Information Science and Engineering, Tokyo Institute of Technology, Tokyo, 152-8552, Japan [1 ]
不详 [2 ]
不详 [3 ]
机构
[1] Department of Computer Science, Graduate School of Information Science and Engineering, Tokyo Institute of Technology, Tokyo
[2] NHK Science and Technical Research Laboratories, Tokyo
[3] Global Scientific Information and Computing Center, Tokyo Institute of Technology, Tokyo
来源
Syst Comput Jpn | 2006年 / 10卷 / 35-46期
关键词
Ceaseless update; High availability; Network storage; Storage management;
D O I
10.1002/scj.20503
中图分类号
学科分类号
摘要
In this paper, we propose a nonstop system upgrade method without significant performance degradation for data management software. To reduce disk accesses and network traffic, we construct logical nodes inside a physical node and migrate data between the symbiotic logical nodes. This logical migration is assisted by storage management functions that hide data location and migration from users. We also show the effectiveness of our method using experimental results on the system based on the Autonomous Disks we have proposed as a highly available storage system technology. © 2006 Wiley Periodicals, Inc.
引用
收藏
页码:35 / 46
页数:11
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