Reference number
ISO/IEC 20919:2021
© ISO 2025
International Standard
ISO/IEC 20919:2021
Information technology — Linear tape file system (LTFS) Format specification
Edition 2
2021-07
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Published (Edition 2, 2021)

ISO/IEC 20919:2021

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Abstract

This document defines the LTFS Format requirements for interchanged media that claims LTFS compliance. Those requirements are specified as the size and sequence of data blocks and file marks on the media, the content and form of special data constructs (the LTFS Label and LTFS Index), and the content of the partition labels and use of MAM parameters.

The data content (not the physical media) of the LTFS format shall be interchangeable among all data storage systems claiming conformance to this format. Physical media interchange is dependent on compatibility of physical media and the media access devices in use.

NOTE: This document does not contain instructions or tape command sequences to build the LTFS structure.

General information

  • Status
     : Published
    Publication date
     : 2021-07
    Stage
    : International Standard published [60.60]
  • Edition
     : 2
    Number of pages
     : 84
  • Technical Committee :
    ISO/IEC JTC 1
    ICS :
    35.220.20 
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