17 September 2002 I/O performance evaluation of a Linux-based network-attached storage device
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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.
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Zhaoyan Sun, Zhaoyan Sun, Yonggui Dong, Yonggui Dong, Jinglian Wu, Jinglian Wu, Huibo Jia, Huibo Jia, Guanping Feng, Guanping Feng, } "I/O performance evaluation of a Linux-based network-attached storage device", Proc. SPIE 4930, Advanced Optical Storage Technology, (17 September 2002); doi: 10.1117/12.483304; https://doi.org/10.1117/12.483304
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