Also, Splunk has become a vital system in day-to-day operations making high availability a consideration for the Splunk service. The customer is unsure how to design the new environment topology in order to provide this.
Which resource would help the customer gather the requirements for their new architecture?
Here is an excerpt from the cluster mater's server.conf:

Which strategy represents the minimum and least disruptive change necessary to protect the searchability of the indexer cluster in case of indexer failure?
What happens?