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The High Performance Storage System (HPSS) 

	            Kenneth L. Kliewer, Director
                 Center for Computational Sciences
                    Oak Ridge National Laboratory
                   Oak Ridge, Tennessee 37831-6203
			
		      Phone (615)241-2859
		      FAX   (615)241-2850
		      e-mail: kliewer@ccs.ornl.gov




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                         Abstract
    • Ever more powerful computers and rapidly enlarging data sets require unprecedented levels of data storage and access capabilities. To help meet these requirements, the scalable, network-centered, parallel storage system HPSS was designed and is now being developed. The parallel I/O architecture, mechanisms, strategies and capabilities are described. The current development status and the broad applicability are illustrated through a discussion of the sites at which HPSS is now being implemented, representing a spectrum of computing environments. Planned capabilities and time scales will be provided. Some of the remarkable developments in storage media data density looming on the horizon will also be noted.