Ask Slashdot: Best File System For Web Hosting?

An anonymous reader writes "I'm hoping for a discussion about the best file system for a web hosting server. The server would serve as mail, database, and web hosting. Running CPanel. Likely CentOS. I was thinking that most hosts use ext3 but with of the reading/writing to log files, a constant flow of email in and out, not to mention all of the DB reads/writes, I'm wondering if there is a more effective FS. What do you fine folks think?" Read more of this story at Slashdot.