Computer Science Department
School of Computer Science, Carnegie Mellon University
Selecting the Right Data Distribution Scheme
for a Survivable Storage System
Jay J. Wylie, Mehmet Bakkaloglu, Vijay Pandurangan,
Michael W. Bigrigg, Semih Oguz, Ken Tew, Cory Williams,
Gregory R. Ganger, Pradeep K. Khosla
May 2001
CMU-CS-01-120.ps
CMU-CS-01-120.pdf
Survivable storage system design has become a popular research topic.
This paper tackles the difficult problem of reasoning about the
engineering trade-offs inherent in data distribution scheme selection.
The choice of an encoding algorithm and its parameters positions a system
at a particular point in a complex trade-off space between performance,
availability, and security. We demonstrate that no choice is right for
all systems, and we present an approach to codifying and visualizing
this trade-off space. Using this approach, we explore the sensitivity
of the space to system characteristics, workload, and desired levels
of security and availability. This research is part of the PASIS
project at Carnegie Mellon University.
23 pages
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