Not hardly, and not in the way you think. They replaced their arguably purer ZFS port to replace it with ZoL. As such, it's nowhere near as tested and proven as existing solutions like ext4 and xfs Redhat has deployed to millions of machines for decades. ZFS has too many religious fanboys who hype it without considering that boring and reliable are less risky than betting on code that hasn't had nearly the same scale of enterprise experience.