ANNOUNCING Tahoe, the Least-Authority File System, v1.7.1

Discussion in 'Python' started by Zooko O'Whielacronx, Jul 19, 2010.

  1. Folks:

    This innovative distributed filesystem is written entirely in Python.
    Well, actually we rely on some C/C++ extension code in Python packages
    like "zfec" and "pycryptopp" for some mathematical heavy lifting, but
    all of the code in the tahoe-lafs package is actually pure Python.

    Regards,

    Zooko


    ANNOUNCING Tahoe, the Least-Authority File System, v1.7.1

    The Tahoe-LAFS team is pleased to announce the immediate
    availability of version 1.7.1 of Tahoe-LAFS, an extremely
    reliable distributed storage system.

    Tahoe-LAFS is the first distributed storage system which
    offers "provider-independent security"—meaning that not even
    the operators of your storage servers can read or alter your
    data without your consent. Here is the one-page explanation of
    its unique security and fault-tolerance properties:

    http://tahoe-lafs.org/source/tahoe/trunk/docs/about.html

    Tahoe-LAFS v1.7.1 is the successor to v1.7.0, which was
    released June 18, 2010 [1].

    v1.7.1 is a stable minor release which adds several bugfixes
    and improvements in security, forward-compatibility,
    packaging, usability, and portability. See the NEWS file [2]
    for details.


    WHAT IS IT GOOD FOR?

    With Tahoe-LAFS, you distribute your filesystem across
    multiple servers, and even if some of the servers are
    compromised by by an attacker, the entire filesystem continues
    to work correctly, and continues to preserve your privacy and
    security. You can easily share specific files and directories
    with other people.

    In addition to the core storage system itself, volunteers have
    built other projects on top of Tahoe-LAFS and have integrated
    Tahoe-LAFS with existing systems.

    These include frontends for Windows, Macintosh, JavaScript,
    iPhone, and Android, and plugins for Hadoop, bzr, mercurial,
    duplicity, TiddlyWiki, and more. See the Related Projects page
    on the wiki [3].

    We believe that strong cryptography, Free and Open Source
    Software, erasure coding, and principled engineering practices
    make Tahoe-LAFS safer than RAID, removable drive, tape,
    on-line backup or "cloud storage" systems.

    This software is developed under test-driven development, and
    there are no known bugs or security flaws which would
    compromise confidentiality or data integrity under recommended
    use. (For all currently known issues please see the
    known_issues.txt file [4].)


    COMPATIBILITY

    This release is fully compatible with the version 1 series of
    Tahoe-LAFS. Clients from this release can write files and
    directories in the format used by clients of all versions back
    to v1.0 (which was released March 25, 2008). Clients from this
    release can read files and directories produced by clients of
    all versions since v1.0. Servers from this release can serve
    clients of all versions back to v1.0 and clients from this
    release can use servers of all versions back to v1.0.

    This is the tenth release in the version 1 series. This series
    of Tahoe-LAFS will be actively supported and maintained for
    the forseeable future, and future versions of Tahoe-LAFS will
    retain the ability to read and write files compatible with
    this series.


    LICENCE

    You may use this package under the GNU General Public License,
    version 2 or, at your option, any later version. See the file
    "COPYING.GPL" [5] for the terms of the GNU General Public
    License, version 2.

    You may use this package under the Transitive Grace Period
    Public Licence, version 1 or, at your option, any later
    version. (The Transitive Grace Period Public Licence has
    requirements similar to the GPL except that it allows you to
    delay for up to twelve months after you redistribute a derived
    work before releasing the source code of your derived work.)
    See the file "COPYING.TGPPL.html" [6] for the terms of the
    Transitive Grace Period Public Licence, version 1.

    (You may choose to use this package under the terms of either
    licence, at your option.)


    INSTALLATION

    Tahoe-LAFS works on Linux, Mac OS X, Windows, Cygwin, Solaris,
    *BSD, and probably most other systems. Start with
    "docs/quickstart.html" [7].


    HACKING AND COMMUNITY

    Please join us on the mailing list [8]. Patches are gratefully
    accepted -- the RoadMap page [9] shows the next improvements
    that we plan to make and CREDITS [10] lists the names of people
    who've contributed to the project. The Dev page [11] contains
    resources for hackers.


    SPONSORSHIP

    Tahoe-LAFS was originally developed by Allmydata, Inc., a
    provider of commercial backup services. After discontinuing
    funding of Tahoe-LAFS R&D in early 2009, they have continued
    to provide servers, bandwidth, small personal gifts as tokens
    of appreciation, and bug reports. Thank you to Allmydata,
    Inc. for their generous and public-spirited support.

    Google, Inc. is sponsoring Tahoe-LAFS development as part of
    the Google Summer of Code 2010. Google suggested that we
    should apply for the Summer of Code program, and when we did
    they generously awarded four sponsorships to students from
    around the world to hack on Tahoe-LAFS this summer. Thank you
    to Google, Inc. for their generous and public-spirited
    support.


    HACK TAHOE-LAFS!

    If you can find a security flaw in Tahoe-LAFS which is serious
    enough that feel compelled to warn our users and issue a fix,
    then we will award you with a customized t-shirts with your
    exploit printed on it and add you to the "Hack Tahoe-LAFS Hall
    Of Fame" [12].


    ACKNOWLEDGEMENTS

    This is the fifth release of Tahoe-LAFS to be created solely
    as a labor of love by volunteers. Thank you very much to the
    team of "hackers in the public interest" who make Tahoe-LAFS
    possible.

    David-Sarah Hopwood and Zooko Wilcox-O'Hearn
    on behalf of the Tahoe-LAFS team

    July 18, 2010
    Rainhill, Merseyside, UK and Boulder, Colorado, USA


    [1] http://tahoe-lafs.org/trac/tahoe/browser/relnotes.txt?rev=4514
    [2] http://tahoe-lafs.org/trac/tahoe/browser/NEWS?rev=4577
    [3] http://tahoe-lafs.org/trac/tahoe/wiki/RelatedProjects
    [4] http://tahoe-lafs.org/trac/tahoe/browser/docs/known_issues.txt
    [5] http://tahoe-lafs.org/trac/tahoe/browser/COPYING.GPL
    [6] http://tahoe-lafs.org/source/tahoe/trunk/COPYING.TGPPL.html
    [7] http://tahoe-lafs.org/source/tahoe/trunk/docs/quickstart.html
    [8] http://tahoe-lafs.org/cgi-bin/mailman/listinfo/tahoe-dev
    [9] http://tahoe-lafs.org/trac/tahoe/roadmap
    [10] http://tahoe-lafs.org/trac/tahoe/browser/CREDITS?rev=4567
    [11] http://tahoe-lafs.org/trac/tahoe/wiki/Dev
    [12] http://tahoe-lafs.org/hacktahoelafs/
     
    Zooko O'Whielacronx, Jul 19, 2010
    #1
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