Going deep with NetApp & Storage in general

 Hi all,

I'm looking for suggestions on what to watch/read which will assist me in understanding storage intimately. I've read through a lot of TRs, blog posts, forum discussions and have enjoyed them all, but I was wondering if anyone has any documents and/or videos which they feel would be worth looking at?

For example,  provided a wealth of information in response to my Interperting Grafana Graphs thread.  One of the things he mentioned was "Usually frontend processing is much lighter than backend processing". What I'd like to know is, are there any resources available which tell us this and explains why it is the case?

Basically I'm interested to learn anything and everything about the low level, inner workings of NetApp's products and storage in general. For example, I've thoroughly enjoyed reading about how CPs, dedupe and compression work. The reason being that I'm not comfortable knowing that something works "just because", I like to know how and why it works.