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An analytic model of hierarchical mass storage systems with network-attached storage devices

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Published:15 May 1996Publication History

ABSTRACT

Network attached storage devices improve I/O performance by separating control and data paths and eliminating host intervention during data transfer. Devices are attached to a high speed network for data transfer and to a slower network for control messages. Hierarchical mass storage systems use disks to cache the most recently used files and tapes (robotic and manually mounted) to store the bulk of the files in the file system. This paper shows how queuing network models can be used to assess the performance of hierarchical mass storage systems that use network attached storage devices. The analytic model validated through simulation was used to analyze many different scenarios.

References

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                  cover image ACM Conferences
                  SIGMETRICS '96: Proceedings of the 1996 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
                  May 1996
                  279 pages
                  ISBN:0897917936
                  DOI:10.1145/233013

                  Copyright © 1996 ACM

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                  Publication History

                  • Published: 15 May 1996

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