If Elasticsearch encounters index data that is absent from the current cluster state, those indices are considered to be dangling.
For example, this can happen if you delete more than cluster.indices.tombstones.size indices while an Elasticsearch node is offline.
##Required authorization
- Cluster privileges:
manage
DELETE
/_dangling/{index_uuid}
Console
DELETE /_dangling/<index-uuid>?accept_data_loss=true
curl \
--request DELETE 'http://api.example.com/_dangling/{index_uuid}?accept_data_loss=true'