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Proceedings Paper

I/O performance evaluation of a Linux-based network-attached storage device
Author(s): Zhaoyan Sun; Yonggui Dong; Jinglian Wu; Huibo Jia; Guanping Feng
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Paper Abstract

In a Local Area Network (LAN), clients are permitted to access the files on high-density optical disks via a network server. But the quality of read service offered by the conventional server is not satisfied because of the multiple functions on the server and the overmuch caller. This paper develops a Linux-based Network-Attached Storage (NAS) server. The Operation System (OS), composed of an optimized kernel and a miniaturized file system, is stored in a flash memory. After initialization, the NAS device is connected into the LAN. The administrator and users could configure the access the server through the web page respectively. In order to enhance the quality of access, the management of buffer cache in file system is optimized. Some benchmark programs are peformed to evaluate the I/O performance of the NAS device. Since data recorded in optical disks are usually for reading accesses, our attention is focused on the reading throughput of the device. The experimental results indicate that the I/O performance of our NAS device is excellent.

Paper Details

Date Published: 17 September 2002
PDF: 6 pages
Proc. SPIE 4930, Advanced Optical Storage Technology, (17 September 2002); doi: 10.1117/12.483304
Show Author Affiliations
Zhaoyan Sun, Tsinghua Univ. (China)
Yonggui Dong, Tsinghua Univ. (China)
Jinglian Wu, Tsinghua Univ. (China)
Huibo Jia, Tsinghua Univ. (China)
Guanping Feng, Tsinghua Univ. (China)

Published in SPIE Proceedings Vol. 4930:
Advanced Optical Storage Technology
Duanyi Xu; Seiya Ogawa, Editor(s)

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