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2016 | OriginalPaper | Chapter

Motivation and Implementation of a Dynamic Remote Storage System for I/O Demanding HPC Applications

Authors : Matthias Neuer, Jürgen Salk, Holger Berger, Erich Focht, Christian Mosch, Karsten Siegmund, Volodymyr Kushnarenko, Stefan Kombrink, Stefan Wesner

Published in: High Performance Computing

Publisher: Springer International Publishing

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Abstract

I/O subsystem performance is becoming increasingly important for a wide range of applications. The demand can be met with a large memory capacity or fast local SSDs, but such solutions cause very high investment costs and are rather inflexible. Here, we investigate a multi-tiered approach, combining memory, local SSDs and InfiniBand-attached block storage connected via SRP (SCSI RDMA protocol). Different variants of this hybrid storage system are evaluated, and we present a method to analyze the I/O patterns of applications for choosing the best approach. We also demonstrate the integration of the dynamic remote storage facility into the scheduling system Moab. Our method allows for an on-demand provisioning of multi-tiered file systems of varying sizes, managing storage resources automatically with a broker software.

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Metadata
Title
Motivation and Implementation of a Dynamic Remote Storage System for I/O Demanding HPC Applications
Authors
Matthias Neuer
Jürgen Salk
Holger Berger
Erich Focht
Christian Mosch
Karsten Siegmund
Volodymyr Kushnarenko
Stefan Kombrink
Stefan Wesner
Copyright Year
2016
DOI
https://doi.org/10.1007/978-3-319-46079-6_42