In case anyone missed it, this is a really great video from Insight 2020 that has a quick and easy overview on dashboard creation.
https://tv.netapp.com/detail/video/6211800215001/awesome-visualizations-for-netapp-performance
There's a few relatively advanced topics in here covered in wonderful simplicity by @phoebeg
Whilst this primarily focusses on NetApp-oriented performance metrics, it's of course applicable to any other vendor under the sun.
Interested to hear any tips and tricks on dashboard creation from the community - what have you built?
