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A Novel Meta-data Synchronous Write Mechanism for Cluster File System

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5 Author(s)
Jun Lu ; Software Eng. Dept., Chengdu Univ. of Inf. Technol. (CUIT), Chengdu, China ; Yi Zhu ; Bin Du ; Ly Ren
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In cluster file system, the meta-data represents the key information of a file. In order to make sure the safety of meta-data, the most of cluster file system write the meta-data to disk as soon as possible to suffer the possible failure of underlying facilities, such as node accidentally crash. The synchronous disk write of meta-data is a performance bottle of cluster file system. This paper presents a high performance cooperative synchronous write mechanism for meta-data: CSWM. CSWM is a pure software mechanism which provides the reliability of synchronous write operations with the performance of asynchronous write operations. The meta-data synchronously witted in CSWM are saved on both two cooperative meta-data server before being written to disk. Then, CSWM can ensure the safety of meta-data and improve the cluster file system performance. The experiments in this paper prove that CSWM can effectively improve the performance of cluster file system.

Published in:

Information Technology and Applications, 2009. IFITA '09. International Forum on  (Volume:1 )

Date of Conference:

15-17 May 2009