Shard on disk with multiple path configuration not balanced

Hi Guys, Any idea , how to balanced any shard on multiple path configuration in Elasticsearch? If path 1 already 95%, it cause failed in elasticsearch. No more ingestion on path 2. (Error : forbidden-12-index-read-only-allow-delete-api)

elasticsearch.yml :
path:
data:
- /mnt/elasticsearch_1
- /mnt/elasticsearch_2

Any ideas whats going on?

Thanks.