FAST '04 Abstract
Pp. 227-238 of the Proceedings
Integrating Portable and Distributed Storage
Niraj Tolia, Carnegie Mellon University and Intel Research Pittsburgh; Jan Harkes, Carnegie Mellon University; Michael Kozuch, Intel Research Pittsburgh; M. Satyanarayanan, Carnegie Mellon University and Intel Research Pittsburgh
We describe a technique called lookaside caching that combines
the strengths of distributed file systems and portable storage
devices, while negating their weaknesses. In spite of its simplicity,
this technique proves to be powerful and versatile. By unifying
distributed storage and portable storage into a single abstraction,
lookaside caching allows users to treat devices they carry as merely
performance and availability assists for distant file servers.
Careless use of portable storage has no catastrophic consequences.
Experimental results show that significant performance
improvements are possible even in the presence of stale data on the
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