I understand some of the servcies can be setup in HA mode as documented in the docs. However, I am trying to understand what does "High Availability" mean for the following HDP services / components.
@Predrag Minovic - Slight update on storm, we can run multiple Nimbus servers:
This is to deal with cases where Nimbus can't be automatically restarted (e.g disk failure on the node). Details of Nimbus HA is outlined here: