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Fractional-Overlap Declustered Parity: Evaluating Reliability for Storage Systems
Event Type
Big Data
Data Analytics, Compression, and Management
Data Movement
File Systems and I/O
Registration Categories
TimeThursday, 12 November 202012:35pm - 12:58pm EDT
LocationTrack 5
DescriptionIn this paper, we propose a flexible and practical data protection scheme, fractional-overlap declustered parity( FODP), to explore the trade-offs between fault tolerance and rebuild performance. Our experiments show that FODP is able to bring forth up to 99% less probability of data loss in the presence of various failure regimes. Furthermore, by adding one additional spare drive capacity within each server, FODP yields up to 99% reduction in granularity of data loss.
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