we added journalnode  and removed journalnode at the same time and also tried to add just journalnode in 2 different scenarios. In both scenarios we have oboserved both namenodes came down and also all the services went down. Over the course of doing we got many errors. is it normal ? I have used this link to follow instrunction. https://docs.cloudera.com/HDPDocuments/Ambari-2.7.4.0/managing-high-availability/content/amb_manage_journalnodes.html ... View more