Aufs
From Wikipedia, the free encyclopedia
aufs (AnotherUnionFS in version 1, but advanced multi layered unification filesystem since version 2) implements a union mount for Linux file systems.
Developed by Junjiro Okajima in 2006,[1] aufs is a complete rewrite of the earlier UnionFS. It aimed to improve reliability and performance, but also introduced some new concepts, like writable branch balancing,[2] and other improvements - some of which are now implemented in the UnionFS 2.x branch.
Use
Several Linux distributions have chosen aufs as a replacement for UnionFS, including:
- Knoppix live CD Linux distribution - since the end of 2006, "for better stability and performance"[3]
- NimbleX since version 2008. Switched simultaneously with Linux-Live
- Slax (and Linux-Live scripts in general) since version 6[4]
- Xandros Linux distribution, available in the ASUS Eee PC model 901.
- Arch Linux 2009.08-2011.7[5][6]
- Ubuntu 10.04 LTS Live CD
- Debian 6.0 Live media
- Gentoo Linux LiveDVD 11.0[7]
- Gentoo Linux LiveDVD 11.2[8]
- Gentoo Linux LiveDVD 12.0[9]
- Salix Live via Linux-Live scripts until version 13.1.1 and via SaLT from version 13.37.
- Puppy Linux Versions can run fully in RAM with changes saved to disk on shutdown. For example Slacko 5.3.3. running as a LiveCD
Notes
- ↑ History of the Aufs project maintained by Junjiro Okajima
- ↑ Goals and new features of aufs in the project's homepage
- ↑ Knoppix release note explaining the switch from UnionFS to aufs.
- ↑ Linux Live scripts use AUFS for better stability
- ↑ "News: 2009.08 images". Arch Linux. 2009-08-10. Retrieved 2012-04-19.
- ↑ "FS#24742 : Add aufs2 again to the repos". Bugs.archlinux.org. Retrieved 2012-04-19.
- ↑ "Gentoo Linux - Gentoo Linux - LiveDVD 11.0". Gentoo.org. 2011-03-08. Retrieved 2012-04-19.
- ↑ "Gentoo Linux - Gentoo Linux releases 11.2 LiveDVD". Gentoo.org. 2011-08-07. Retrieved 2012-04-19.
- ↑ "Gentoo Linux - Gentoo Linux releases 12.0 LiveDVD". Gentoo.org. 2012-01-02. Retrieved 2012-04-19.
See also
- File system
- Union mount, describing the concept of merging file system branches
- UnionFS, an older union mount project, developed by Professor Erez Zadok and his team at Stony Brook University.
External links
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