CoStore: A Storage Cluster Architecture Using Network Attached Storage Devices

  • Authors:
  • Affiliations:
  • Venue:
  • ICPADS '02 Proceedings of the 9th International Conference on Parallel and Distributed Systems
  • Year:
  • 2002

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Abstract

We propose a storage cluster architecture CoStore,which evenly distributes system responsibilities across allcollaborating cluster members without a separate centralfile manager. The serverless CoStore architecture has thepotential to provide scalable high-performance high-capacitystorage services with strong reliability andavailability, traditionally only achievable by high-endstorage systems.A prototype CoStore system has been implementedusing cost-effective COTS-based network attachedstorage devices on commodity operating systems. Theperformance of the CoStore prototype has been measuredand compared with those of other commonly availabledistributed file systems. Preliminary test results show thata single node CoStore has a comparable performance tothat of NFS and that CoStore outperforms CIFS onWindows 2000.