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Hierarchical Storage Management at the NASA Center for Computational Sciences: From UniTree to SAM-QFSThis paper presents the data management issues associated with a large center like the NCCS and how these issues are addressed. More specifically, the focus of this paper is on the recent transition from a legacy UniTree (Legato) system to a SAM-QFS (Sun) system. Therefore, this paper will describe the motivations, from both a hardware and software perspective, for migrating from one system to another. Coupled with the migration from UniTree into SAM-QFS, the complete mass storage environment was upgraded to provide high availability, redundancy, and enhanced performance. This paper will describe the resulting solution and lessons learned throughout the migration process.
Document ID
20040121026
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Salmon, Ellen (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Tarshish, Adina (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Palm, Nancy (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Patel, Sanjay (Computer Sciences Corp. Greenbelt, MD, United States)
Saletta, Marty (Computer Sciences Corp. Greenbelt, MD, United States)
Vanderlan, Ed (Computer Sciences Corp. Greenbelt, MD, United States)
Rouch, Mike (Computer Sciences Corp. Greenbelt, MD, United States)
Burns, Lisa (Computer Sciences Corp. Greenbelt, MD, United States)
Duffy, Daniel (Computer Sciences Corp. Greenbelt, MD, United States)
Caine, Robert (Sun Microsystems, Inc. McLean, VA, United States)
Date Acquired
September 7, 2013
Publication Date
April 1, 2004
Publication Information
Publication: NASA/IEEE MSST 2004 Twelfth NASA Goddard Conference on Mass Storage Systems and Technologies in cooperation with the Twenty-First IEEE Conference on Mass Storage Systems and Technologies
Subject Category
Computer Systems
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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IDRelationTitle20040121020Collected WorksNASA/IEEE MSST 2004 Twelfth NASA Goddard Conference on Mass Storage Systems and Technologies in cooperation with the Twenty-First IEEE Conference on Mass Storage Systems and Technologies
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