Hi Ext4 is to be the default filesystem for Fedora 11. Experimental support for btrfs has been added as well. http://www.heise-online.co.uk/news/Ext4-to-be-standard-for-Fedora-11-Btrfs-also-included--/112467 Additional reference: https://fedoraproject.org/wiki/Releases/11/FeatureList Rahul