aufs
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aufs (in version 1 AnotherUnionFS, since version 2 advanced multi layered unification filesystem) implements a union mount for Linux file systems.
Developed by Junjiro Okajima in 2006[1] aufs is a complete rewriting 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.
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[edit] 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 & performance"[3]
- 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.
[edit] 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
- ^ http://www.archlinux.org/news/459/
- ^ https://bugs.archlinux.org/task/24742
- ^ http://www.gentoo.org/news/20110308-livedvd.xml
- ^ http://www.gentoo.org/news/20110807-livedvd.xml
- ^ http://www.gentoo.org/news/20120102-livedvd.xml
[edit] 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.
