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Logical disks: user-controllable I/O for scientific applications

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4 Author(s)
Jang Sun Lee ; CASE Center, Syracuse Univ., NY, USA ; Jungmin Kim ; P. B. Berra ; S. Ranka

In this paper we propose user-controllable I/O operations and explore the effects of them with some synthetic access patterns. The operations allow users to determine a file structure matching the access patterns, control the layout and distribution of data blocks on physical disks, and present various access patterns with a minimum number of I/O operations. The operations do not use a file pointer to access data as in typical file systems, which eliminates the overhead of managing the offset of the file, making it easy to share data and reducing the number of I/O operations

Published in:

Parallel and Distributed Processing, 1996., Eighth IEEE Symposium on

Date of Conference:

23-26 Oct 1996