Is updating the /etc/hosts file for DSS/Fault Tolerant setup mandatory in Spectrum?

Document ID : KB000117806
Last Modified Date : 18/10/2018
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Question:
Is updating the /etc/hosts file for a DSS/Fault Tolerant setup mandatory in Spectrum?
Environment:
Linux
Windows
All Spectrum versions
Answer:
It is not mandatory, but if communication issues are noticed it is recommended. Sometimes there can be hostname resolution issues with DNS that can cause communication issues and putting in the correct information in the etc/hosts file can "bypass" DNS.