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FTRFS: A Fault-Tolerant Radiation-Robust Filesystem for Space Use

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Architecture of Computing Systems – ARCS 2015 (ARCS 2015)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 9017))

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Abstract

A satellite’s on-board computer must guarantee integrity and recover degraded or damaged data over the entire duration of the spacecraft’s mission in an extreme, radiated environment. While redundancy and hardware-side voting can protect Magnetoresistive RAM well from device failure, more sophisticated software-side storage concepts are required if advanced operating systems are used. A combination of hardware and filesystem measures can thus drastically increase system dependability, even for missions with a very long duration. We present a novel POSIX-compatible filesystem implementation offering memory protection, checksumming and forward error correction.

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Author information

Authors and Affiliations

  1. Chair for Computer Architecture and Organization, Technical University Munich, Munich, Germany

    Christian M. Fuchs & Carsten Trinitis

  2. Institute for Astronautics, Technical University Munich, Munich, Germany

    Christian M. Fuchs & Martin Langer

Authors
  1. Christian M. Fuchs
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  2. Martin Langer
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  3. Carsten Trinitis
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Corresponding author

Correspondence to Christian M. Fuchs .

Editor information

Editors and Affiliations

  1. CISTER/INESC TEC, ISEP Research Center, Porto, Portugal

    Luís Miguel Pinho Pinho

  2. Karlsruher Institut für Technologie, Karlsruhe, Germany

    Wolfgang Karl

  3. Inria and École Normale Supérieure, Paris, France

    Albert Cohen

  4. Goethe University Fachbereich Informatik und Mathematik, Frankfurt am Main, Germany

    Uwe Brinkschulte

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Fuchs, C.M., Langer, M., Trinitis, C. (2015). FTRFS: A Fault-Tolerant Radiation-Robust Filesystem for Space Use. In: Pinho, L., Karl, W., Cohen, A., Brinkschulte, U. (eds) Architecture of Computing Systems – ARCS 2015. ARCS 2015. Lecture Notes in Computer Science(), vol 9017. Springer, Cham. https://doi.org/10.1007/978-3-319-16086-3_8

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  • DOI: https://doi.org/10.1007/978-3-319-16086-3_8

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-16085-6

  • Online ISBN: 978-3-319-16086-3

  • eBook Packages: Computer ScienceComputer Science (R0)

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