+++ This bug was initially created as a clone of Bug #1886907 +++ Description of problem: In Elasticsearch prometheus alerts we state for the Flood ElasticsearchNodeDiskWatermarkReached alert that: "The index block is automatically released when the disk utilization falls below the high watermark." See: https://github.com/openshift/elasticsearch-operator/blob/00db8da80dcbd2ae3f746b42d6a3d6492259f009/files/prometheus_alerts.yml#L71 This is not valid. See Elasticsearch PR that explains documentation change including ES versions this apply to: https://github.com/elastic/elasticsearch/pull/62627 Version-Release number of selected component (if applicable): 4.6
PR merged, closing BZ.