2005•Unpublished venueRequires access

A storage space management policy for a cluster file system

Jin Xiong, Rongfeng Tang, Zhihua Fan, Jie Ma, Hui Li, Dan Meng, Ninghui Sun, Guojie Li

Abstract

The major challenge in designing cluster file systems is to provide high aggregate I/O bandwidth and high metadata processing throughput for applications running on large-scale cluster systems. And with the rapid increase of required data storage, how to improve access performance of a PB-scale cluster file system is also a challenging issue. In this paper, we introduce the storage space management policy for a PB-scale cluster file system. Our performance results showed that compared with Lustre and GFS, DCFS2 is able to provide comparable or even better aggregate I/O bandwidth

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Available abstract

Key concepts: Lustre (file system), File system, Computer science, Metadata, Operating system, Cluster (spacecraft), Self-certifying File System, Throughput