Not quite...
I've actually been involved in projects using Hadoop (HDFS came first actually), and it's still not fault tolerant, just look up what happens when the name node dies. Nasty. It's a good project, and I'm glad it exists, but it's nowhere near the nirvana it's made out to be here. I've also been involved and personally know of projects using both Starling (not so great... mostly agree with the author) and Starfish (it's awesome for it's target use, and it works well.)
-b-