Data-centric reconfiguration with network-attached disks

  • Authors:
  • Alexander Shraer;Jean-Philippe Martin;Dahlia Malkhi;Idit Keidar

  • Affiliations:
  • Technion, Haifa, Israel;Microsoft Research, Mountain View, CA;Microsoft Research, Mountain View, CA;Technion, Haifa, Israel

  • Venue:
  • Proceedings of the 4th International Workshop on Large Scale Distributed Systems and Middleware
  • Year:
  • 2010

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Abstract

We consider data-centric distributed storage, where storage-nodes are directly attached to the network. We present DynaDisk, the first read/write storage system that allows clients to add and remove storage devices in a completely decentralized manner, and without stopping ongoing read/write operations. DynaDisk supports two alternative approaches to reconfiguration, one partially synchronous (consensus-based) and one asynchronous. We evaluate DynaDisk on a LAN cluster and compare these two reconfiguration methods.