As Google rolls out GFS2 - a major update to the custom-built file system underpinning its online infrastructure - the company's former infrastructure don sees no reason why the open source world can't follow suit. Famously, Christophe Bisciglia taught a course at the University of Washington meant to educate rising computer scientists in Google's epic data juggling ways, and earlier this year, he brought his Big Data know-how to Cloudera, a star-studded startup that's helping to mimic Google's data prowess via open source software.