Need to manually rebalance or reallocate primary shards on Elasticsearch nodes

Issue

• We hit the low-disk watermark on an ES pod, or storage is getting full
• Getting "replicas will not be assigned to this node" log

[2019-03-13 21:54:41,351][INFO ][cluster.routing.allocation.decider] [logging-es-24mgtsne] low disk watermark [85%] exceeded on [xxxxxxxxxxxxxxx][logging-es-xxxxxxxx][/elasticsearch/persistent/logging-es/data/logging-es/nodes/0] free: 193.2gb[14.7%], replicas will not be assigned to this node

• How to reroute shards in CLUSTER_RECOVERED state