SC is the International Conference for
High Performance Computing, Networking,
Storage and Analysis

SCHEDULE: NOV 12-18, 2011

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I/O Challenges on the Road to Exascale


EVENT TYPE: Exhibitor Forum

TIME: 4:00PM - 4:30PM

Presenter(s):Larry Jones

ROOM:WSCC 613/614

Very large compute systems are creating unprecedented challenges for the storage systems that support them. This talk will explore some potential solutions to Exascale I/O problems driven by the following trends: • Stripe sizes continue to expand to achieve speed, but the increase in component failures reduces availability. • Drive capacities are increasing rapidly, 33% this year alone, but this makes them increasingly vulnerable to triple failures. • HDD improvements are disproportionate to CPU performance increases and to compensate, disk environments are scaling faster than clusters, with File Systems of 100K HDDs being planned. • SSDs present an opportunity to address important elements of the Exascale IO challenge, but require architectural changes to effectively exploit. Problems that are tractable in today's systems will become acute at Exascale and will vastly reduce the value of investment storage infrastructures and the ROI for HPC systems overall.

Chair/Presenter Details:

Larry Jones - DataDirect Networks

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