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Computers and Operations Research
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FAST '07 Proceedings of the 5th USENIX conference on File and Storage Technologies
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FAST'11 Proceedings of the 9th USENIX conference on File and stroage technologies
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FAST'11 Proceedings of the 9th USENIX conference on File and stroage technologies
Robust benchmarking for archival storage tiers
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Proceedings of the 27th Annual ACM Symposium on Applied Computing
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Proceedings of the second international workshop on Performance modeling, benchmarking and simulation of high performance computing systems
Designing data storage tier using Integer Programing
Proceedings of the 27th Annual ACM Symposium on Applied Computing
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This paper investigates benchmarking and modeling for a disk-based storage system in order to design and build a practical storage tier. As a practical case study, we focus on the design of an archival storage tier. The archival tiers play a critical role in data preservation as almost all current data will eventually be archived and the demands placed on archival tiers are growing because of large regularly-scheduled back-ups. Archival tiers usually consist of tape-based devices with a large storage capacity, but limited I/O performance for retrieving data, especially when multiple retrieval requests are made simultaneously. As the cost of disk-based devices continues to decrease while the capacity of individual disks increases, disk-based systems are becoming a more realistic option for both enterprise and commodity archival storage tiers. We utilize archival workloads developed from an analysis of historical data in order to provide accurate and robust benchmarks of system performance as an archive. We then embed our practical measurements in a measurementdriven optimization approach to design an archival system. Our approach produces a low cost design for a commodity disk-based archival storage system. Using our measurementdriven model, ideal storage building blocks are identified for a real-world archival tier design.