Elasticsearch in OpenShift Service Mesh has yellow status due to shard allocation failure in RHOCP 4

Issue

• Elasticsearch in OpenShift Service Mesh has yellow status.

• Elasticesearch pod has below log message reporting a shard allocation failure.

  shard has exceeded the maximum number of retries [5] on failed allocation attempts - manually call [/_cluster/reroute?retry_failed=true] to retry, [unassigned_info[[reason=ALLOCATION_FAILED], failed_attempts[5], delayed=false, details[failed shard on node [2eWoWRKwQcmfsVrh_dthuQ]: failed to create shard, failure IllegalStateException[environment is not locked]; nested: AccessDeniedException[/elasticsearch/persistent/elasticsearch/data/nodes/0/node.lock]; ], allocation_status[no_attempt]]]"
  

• The log says Elasticsearch has stopped trying to allocate this shard automatically.