Elasticsearch 8.10.2 synonyms not working

We have deployed Elasticsearch 8.10.2 via ECK. The deployment is successful, however, we are facing below two issues:

  1. Index creation failing with IOException while reading synonyms_path_path. Synonym path has been successfully created using relevant volume and volume mounts. Do we need to create synonyms some other way with ES 8.X?
  2. Persistent volume claims are getting deleted if we uninstall a helm release for ECK. This is not the desired behavior since we would want those PVCs to exist even if someone were to delete a ES pod or uninstall the helm release.

Can someone please provide any insights on how these two issues can be resolved? Thanks in advance.

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