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ObjectiveFS

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  1. ObjectiveFS
ObjectiveFS
Stable release3.1 / April 20, 2015 (2015-04-20)
Operating systemLinux, Mac OS X
TypeDistributed file system
Licenseproprietary
WebsiteObjectiveFS.com

ObjectiveFS is a distributed file system developed by Objective Security Corp. It is a POSIX-compliant file system built with an object store backend.12 It was initially released with AWS S3 backend, and has later implemented support for Google Cloud Storage and object store devices. It was released for beta in early 2013, and the first version was officially released on August 11, 2013.

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Contents
  • (Top)
  • Design
  • Usage
  • See also
  • References
  • External links
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Contents
Contents7 sections
  • (Top)
  • Design
  • Usage
  • See also
  • References
  • External links
  • Recent changes
  • Rabbit hole

Design

ObjectiveFS implements a log structured file system on top of object stores (such as Amazon S3, Google Cloud Storage and other object store devices).3 It is a POSIX compliant file system and supports features such as dynamic file system size, soft and hard links, unix attributes, extended attributes, Unix timestamps, users and permissions, no limit on file size, atomic renames, atomic file creation, directory renames, read and write anywhere in a file, named pipes, sockets, etc.4

It implements client-side encryption and uses the NaCl crypto library, with algorithms like Salsa20 and Poly1305. This approach doesn't have data-dependent branches or data-dependency array indices and protects against cache timing attacks. Data is encrypted before leaving the client, and stays encrypted at rest and in motion.

One main difference between ObjectiveFS and GlusterFS/CephFS is that it offloads the storage cluster management to cloud providers (Amazon/Google). 5

Usage

ObjectiveFS software runs on the server and talks to the object store using S3 API. The software itself handles the metadata. When there are multiple servers sharing the same files, it handles the negotiation with other sharing servers (also running ObjectiveFS).

Some use cases are scaling web servers, mail servers, content management services (CMS), hybrid cloud., hybrid development environment between laptop and cloud1

See also

  • Distributed file system
  • List of file systems, the distributed fault-tolerant file system section
  • Ceph
  • Lustre
  • GlusterFS

References

  1. 1Christophe Bardy "LeMagIT: ObjectiveFS: a POSIX file system on top of S3 (original article in French)", LeMagIT, 3 December 2014.
  2. 2Andrea Mauro "ITPT 14 Report - ObjectiveFS", vInfrastructure Blog, 15 December 2014.
  3. 3Enrico Signoretti "ObjectiveFS, the filesystem with the cloud backend (original article in Italian)", JUKU.it, 20 December 2014.
  4. 4Technical specification from official website retrieved on 12 April 2015.
  5. 5Yves Grandmontagne "Silicon Valley - ObjectiveFS, married Unix, Amazon and storage (original article in French)", IT Social Collaborative IT, 3 December 2014.

External links

  • ObjectiveFS official website
Categories:
  • Distributed file systems supported by the Linux kernel
  • Distributed file systems
  • Network file systems
  • Userspace file systems

268 words · 5 references · revision 1304876224 · CC BY-SA 4.0

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Key concepts

  • Distributed file system1

The articles this one links to most, weighted towards the introduction.

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Created
12 Apr 2015
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23 edits
10 contributors
No edits in the last 30 days
Last edited
8 Aug 2025

23 revisions in total · 10 contributors

  1. 8 Aug 2025, 18:24 UTCBD2412mClean up spacing around commas and other punctuation fixes, replaced: , → ,−3diff
  2. 23 Jun 2023, 20:34 UTCLeyomfix−1diff
  3. 28 Apr 2022, 14:19 UTCVulcanSphereAdding short description: "Distributed file system" (Shortdesc helper)+46diff
  4. 5 May 2021, 11:45 UTCMrOllierm blog source−266diff
  5. 5 Jul 2016, 20:22 UTCSer Amantio di NicolaoCat-a-lot: Moving from Category:User space file systems to Category:Userspace file systems−1diff
  6. 5 Jul 2016, 01:10 UTCSer Amantio di NicolaoCat-a-lot: Moving from Category:Linux kernel-supported distributed file systems to Category:Distributed file systems supported by the Linux kernel+7diff
  7. 6 Jul 2015, 09:31 UTCFrescoBotmBot: link syntax and minor changes+2diff
  8. 18 Jun 2015, 05:23 UTCAnonymous contributorAdded category+37diff

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Created
12 Apr 2015
History
23 edits
10 contributors
No edits in the last 30 days
Last edited
8 Aug 2025

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