Increasing Availability in Distributed Storage Systems via Clustering

  title={Increasing Availability in Distributed Storage Systems via Clustering},
  author={Saeid Sahraei and Michael Gastpar},
  journal={2018 IEEE International Symposium on Information Theory (ISIT)},
We introduce the Fixed Cluster Repair System (FCRS) as a novel architecture for Distributed Storage Systems (DSS) that achieves a small repair bandwidth while guaranteeing a high availability. Specifically, we partition the set of servers in a DSS into ${s}$ clusters and allow a failed server to choose any cluster other than its own as its repair group. Thereby, we guarantee an availability of $s-1$. We characterize the repair bandwidth vs. storage trade-off for the FCRS under functional repair… CONTINUE READING
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Increasing availability in distributed storage systems via clustering

  • S. Sahraei, M. Gastpar
  • arXiv preprint arXiv:1710.02653, . 2018 IEEE…
  • 2017
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