Steps to perform for changing the data mount in ES

Do we have any recommended approach to change the data mount path ( ) in elastic_search.yaml ?

One of the elastic node in the cluster of 4, have mounted into /var/lib/elastic, I want to change this to /data/elastic.

There space is not available in /var/lib/elastic so want to move the entire mount path to new mount which has 1000GB.

Current data is around 330GB, and is in production. How can I safely move this ? Is downtime required ?

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