Enabling Efficient and Reliable Transition from Replication to Erasure Coding for Clustered File Systems

@article{Li2015EnablingEA,
  title={Enabling Efficient and Reliable Transition from Replication to Erasure Coding for Clustered File Systems},
  author={Runhui Li and Yuchong Hu and Patrick P. C. Lee},
  journal={IEEE Transactions on Parallel and Distributed Systems},
  year={2015},
  volume={28},
  pages={2500-2513}
}
To balance performance and storage efficiency, modern clustered file systems often first store data with replication, followed by encoding the replicated data with erasure coding. We argue that the commonly used random replication does not take into account erasure coding in its design, thereby raising both performance and availability issues in the subsequent encoding operation. We propose encoding-aware replication, which carefully places the replicas so as to (i) eliminate cross-rack… CONTINUE READING
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Enabling efficient and reliable transition from replication to erasure coding for clustered file systems,

  • R. Li, Y. Hu, P.P.C. Lee
  • in Proc. 45th Annu. IEEE/IFIP Int. Conf. Depend…
  • 2015
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