OLCF News

The COHERENT particle physics experiment at the Department of Energy’s Oak Ridge National Laboratory has firmly established the existence of a new kind of neutrino interaction. Because neutrinos are electrically …
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The High-Performance Storage System (HPSS) at the Oak Ridge Leadership Computing Facility (OLCF) will soon transition to a project-based directory structure. This may sound like a small change, but for …
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Tape recorders and videocassette tapes may be considered archaic in the entertainment industry, but magnetic tape storage remains one of the most durable, secure, and cost-effective ways to archive big …
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Scientists using supercomputing resources at the US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) often generate large datasets. Although researchers can publish their findings in scientific journals and …
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The US Department of Energy’s (DOE’s) Oak Ridge National Laboratory (ORNL) recently partnered with Oracle to test some of the database technology company’s new firmware. Under this collaboration ORNL is using Oracle’s tape drives in …
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Data transfer can be tricky—especially when it involves moving large datasets at a rate of dozens of gigabits per second to and from one of the world’s most powerful supercomputers.

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Ongoing upgrades to the OLCF’s data storage services are expanding users’ opportunities to extract science from large datasets.
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OLCF staff have invested heavily in making sure users can access data quickly while also taking steps to keep data safe.
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The OLCF’s RAIT system allows incoming data to be striped across four tapes, but it also has an extra tape—called a parity tape—that can allow the data to be reconstructed in the event that a tape is damaged or lost.
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A new data quality assurance tool developed by the Technology Integration Group at the OLCF will help protect that data by validating the integrity of the High Performance Storage System (HPSS) archive.
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The OLCF recently relocated the center’s archive tape library to a centralized location with a more controlled environment, resulting in better overall availability and uptime for OLCF system users and better resiliency of the media.
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HPCwire sat down with Galen Shipman to discuss strategies for coping with the “3 Vs”—variety, velocity, and volume—of the big data that climate science generates.
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