in the works right now I don't know where you read that, but don't be fooled. That functionality has been "in the works" for quite a long time. But it hasn't y

in the works right now I don't know where you read that, but don't be fooled. That functionality has been "in the works" for quite a long time. But it hasn't yet appeared. In the past it has been said that something called "block pointer rewrite" was a prerequisite. Just google for that. Here's some 10 year old information about it. At that time it was already a "frustratingly frequent request." I stopped searching when I found something 10 years old, but I'm sure you with some effort you could go back much further than that. https://blogs.oracle.com/ahl/expand-o-matic-raid-z https://blogs.oracle.com/ahl/expand-o-matic-raid-z