title: Elasticsearch index in RED health
body: <p>When I run curl -X GET &quot;elastic01:9200/_cat/indices?v&quot;
  I am observing that one of my index is having value red in health</p>
  <p>I checked my cluster health and even That is in red</p>
  <p>What can be done to bring the elasticsearch index health status from red to green.</p>