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

  • Authors:

  • Daniel A. Menascé;Odysseas I. Pentakalos;Yelena Yesha

  • Affiliations:

  • Dept. of Computer Science, George Mason University, Fairfax, VA;Dept. of C.S. and E.E., University of Maryland Baltimore County, Baltimore, MD;Dept. of C.S. and E.E., University of Maryland Baltimore County, Baltimore, MD

  • Venue:
  • Proceedings of the 1996 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
  • Year:
  • 1996

Quantified Score

Hi-index 0.00

Visualization

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.