NDLI: Integrated in-system storage architecture for high performance computing

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Integrated in-system storage architecture for high performance computing

Content Provider	ACM Digital Library
Author	de Supinski, Bronis R. Moody, Adam Mohror, Kathryn Ross, Rob Van Essen, Brian Kimpe, Dries Gokhale, Maya
Abstract	In-system solid state storage is expected to be an important component of the I/O subsystem on the first exascale platforms, as it has the potential to reduce DRAM requirements, to increase system reliability, and to smooth I/O loads. This paper describes the design of a prototype, integrated in-system storage architecture that we are developing to serve the diverse needs of high performance computing. Our container abstraction will provide lightweight management of in-system storage devices, as well as methods to access containers remotely and to transfer them within the storage hierarchy. We are also working on a storage hierarchy abstraction API to provide portable HPC I/O software with the critical information on the configuration of the system on which it is running. As currently available large-scale HPC systems lack in-system storage, we are developing a solid state storage simulator backed by DRAM. We are integrating these efforts around an I/O-intensive workload provided by the scalable checkpoint/restart (SCR) library. We expect our efforts to reduce the overheads of checkpointing and data movement across the system and thus to improve the scalability and reliability of HPC applications.
Starting Page	1
Ending Page	6
Page Count	6
File Format	PDF
ISBN	9781450314602
DOI	10.1145/2318916.2318921
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2012-06-29
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	In-system storage I/o forwarding Storage simulation Storage management Node-local storage checkpoint/restart Storage containers Burst buffer
Content Type	Text
Resource Type	Article

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