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Technical Challenges and Lessons from the Migration of the GLOBE Data and Information System to Utilize Cloud Computing ServiceThe Global Learning and Observation to Benefit the Environment (GLOBE) Data and Information System supports an international science and education program with capabilities to accept local environment observations, archive, display and visualize them along with global satellite observations. Since its inception twenty years ago, the Web and database system has been upgraded periodically to accommodate the changes in technology and the steady growth of GLOBEs education community and collection of observations. Recently, near the end-of-life of the system hardware, new commercial computer platform options were explored and a decision made to utilize Cloud services. Now the GLOBE DIS has been fully deployed and maintained using Amazon Cloud services for over two years now. This paper reviews the early risks, actual challenges, and some unexpected findings as a result of the GLOBE DIS migration. We describe the plans, cost drivers and estimates, highlight adjustments that were made and suggest improvements. We present the trade studies for provisioning, for load balancing, networks, processing, storage, as well as production, staging and backup systems. We outline the migration teams skills and required level of effort for transition, and resulting changes in the overall maintenance and operations activities. Examples include incremental adjustments to processing capacity and frequency of backups, and efforts previously expended on hardware maintenance that were refocused onto application-specific enhancements.
Document ID
20160014657
Acquisition Source
Goddard Space Flight Center
Document Type
Presentation
Authors
Moses, John F. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Memarsadeghi, Nargess (NASA Goddard Space Flight Center Greenbelt, MD United States)
Overoye, David (Science Systems and Applications, Inc. Greenbelt, MD, United States)
Littlefield, Bryan (Science Systems and Applications, Inc. Greenbelt, MD, United States)
Date Acquired
December 16, 2016
Publication Date
December 12, 2016
Subject Category
Computer Systems
Report/Patent Number
GSFC-E-DAA-TN37814
Meeting Information
Meeting: 2016 American Geophysical Union (AGU) Fall Meeting
Location: San Francisco, CA
Country: United States
Start Date: December 12, 2016
End Date: December 16, 2016
Sponsors: American Geophysical Union
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
GLOBE

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