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Maintenance-Free Global Data Storage
September/October 2001 (vol. 5 no. 5)
pp. 40-49

OceanStore is a persistent data store designed to scale to billions of users and exabytes of data. Maintaining such a system requires automatic software support. A large system like this is hard to tune for performance; moreover, its size indicates that some subset of its components will be failing at any one time. To that end, OceanStore is designed to be largely self-maintaining. It recovers from server and network failures, efficiently incorporates new resources, and adjusts to changing usage patterns, all without manual intervention. This article describes the approach and presents a general architecture for systems of this type. A prototype OceanStore system is currently under construction at the University of California at Berkeley. Keywords: distributed storage, security, archival, introspection, wide-area, automatic repair, routing, fault tolerance.

Sean Rhea, Chris Wells, Patrick Eaton, Dennis Geels, Ben Zhao, Hakim Weatherspoon, John Kubiatowicz, "Maintenance-Free Global Data Storage," IEEE Internet Computing, vol. 5, no. 5, pp. 40-49, Sept.-Oct. 2001, doi:10.1109/4236.957894
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