From Fedora Project Wiki
Planet Fedora
In this section, we cover the highlights of Planet Fedora[1] - an aggregation of blogs from Fedora contributors worldwide.
Contributing Writer: Adam Batkin
General
http://jaboutboul.blogspot.com/2009/06/fedora-11-and-ext4-straight-bits.html
http://clarkbw.net/blog/2009/06/08/the-pattern-is-not-full/