I’m sure this is dated but here is a write up in Google’s backup system from High Scalability - http://highscalability.com/blog/2014/2/3/how-google-backs-up-the

I’m sure this is dated but here is a write up in Google’s backup system from High Scalability - http://highscalability.com/blog/2014/2/3/how-google-backs-up-the-internet-along-with-exabytes-of-othe.html http://highscalability.com/blog/2014/2/3/how-google-backs-up...