Volume 8 Number 2 (Feb. 2013)
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JSW 2013 Vol.8(2): 426-434 ISSN: 1796-217X
doi: 10.4304/jsw.8.2.426-434

Size-based Data Placement Strategy in SAN

Yihua Lan1, Yong Zhang1, Haozheng Ren1, Chao Yin2
1School of Computer Engineering, Huaihai Institute of Technology, Lianyungang, China
2School of Computer Science, Huazhong University of Science and Technology, Wuhan, Hubei 430074 P.R.China

Abstract—This paper introduced an even data distribution strategy in SAN. Even data distribution is always the target of distributed storage design. Many articles dedicate the purpose. We use size-based data placement here to guarantee the data distributed evenly at furthest. Size-based data distribution separates the SAN into zones, and each zone has some storage devices (SD), different sized data will fill into different zones. Two kind of allocating algorithms are used to keep the data distribute evenly: orderly and best fit first. Our design will achieve 1) the data will even distributed on each storage devices at furthest; 2) read and write requests will even access the SDs, and 3) bandwidth can be improved at our system. Experimental results showed our design can optimize data distribution.

Index Terms—Data placement, Size-based, SAN, Even distribution.

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Cite: Yihua Lan, Yong Zhang, Haozheng Ren, Chao Yin, "Size-based Data Placement Strategy in SAN," Journal of Software vol. 8, no. 2, pp. 426-434, 2013.

General Information

ISSN: 1796-217X (Online)
Frequency:  Bimonthly 
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, CNKIGoogle Scholar, ProQuest, INSPEC(IET), ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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