Feb 062011
The btrfs file system is the future of linux file systems.
1 2 | sudo apt-get install btrfs-tools
sudo mkfs.btrfs /dev/sdXY
|
Features:
- efficient snapshots (and subvolumes)
- automatic calculation of hashes for data and metadata (better data integrity)
- transparent compression (mount option
compress) - solid state disk optimization (mount option
ssd) - copy on write (better data integrity)
- direct support for raid (0, 1, 10)
resources
- Converting ext3 / ext4 to btrfs (German): http://wiki.ubuntuusers.de/Konvertierung_nach_Btrfs
- very detailed article of Mr. Kofler, the author of a well known book on linux (German): http://kofler.info/blog/134/126/btrfs—Linux-Dateisystem-der-Zukunft
- http://askubuntu.com/questions/1044/what-is-btrfswhat-advanced-features-does-it-have
- btrfs wiki https://btrfs.wiki.kernel.org/index.php/Main_Page