Multi-disk management algorithms

  • Authors:
  • Miron Livny;Setrag Khoshafian;Haran Boral

  • Affiliations:
  • Computer Sciences Department, University of Wisconsin-Madison, 1210 W. Dayton St., Madison, WI;MCC, 8500 West Balcones Center Dr., Austin, Tx;MCC, 8500 West Balcones Center Dr., Austin, Tx

  • Venue:
  • SIGMETRICS '87 Proceedings of the 1987 ACM SIGMETRICS conference on Measurement and modeling of computer systems
  • Year:
  • 1987

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Abstract

We investigate two schemes for placing data on multiple disks. We show that declustering (spreading each file across several disks) is inherently better than clustering (placing each file on a single disk) due to a number of reasons including parallelism and uniform load on all disks.