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26 July 2016 The NOAO Data Lab virtual storage system
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Abstract
Collaborative research/computing environments are essential for working with the next generations of large astronomical data sets. A key component of them is a distributed storage system to enable data hosting, sharing, and publication. VOSpace1 is a lightweight interface providing network access to arbitrary backend storage solutions and endorsed by the International Virtual Observatory Alliance (IVOA). Although similar APIs exist, such as Amazon S3, WebDav, and Dropbox, VOSpace is designed to be protocol agnostic, focusing on data control operations, and supports asynchronous and third-party data transfers, thereby minimizing unnecessary data transfers. It also allows arbitrary computations to be triggered as a result of a transfer operation: for example, a file can be automatically ingested into a database when put into an active directory or a data reduction task, such as Sextractor, can be run on it. In this paper, we shall describe the VOSpace implementations that we have developed for the NOAO Data Lab. These offer both dedicated remote storage, accessible as a local file system via FUSE, and a local VOSpace service to easily enable data synchronization.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Matthew J. Graham, Michael J. Fitzpatrick, Patrick Norris, Kenneth J. Mighell, Knut Olsen, Elizabeth B. Stobie, Stephen T. Ridgway, Adam S. Bolton, Abhijit Saha, and Lijuan Wendy Huang "The NOAO Data Lab virtual storage system", Proc. SPIE 9913, Software and Cyberinfrastructure for Astronomy IV, 99131I (26 July 2016); https://doi.org/10.1117/12.2233306
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