### Elasticsearch Version

7.17.5

### Installed Plugins

_No response_

### Java Version

18.0.1.1

### OS Version

3.10.0-1160.76.1.el7.x86_64 

### Problem Description

[https://discuss.elastic.co/t/why-conf-dfs-replication-1-is-not-success/316405](url)

conf.dfs.replication = 1 is not be used


 protected HdfsBlobStore createBlobStore() {
        // initialize our blobstore using elevated privileges.
        SpecialPermission.check();
        final HdfsBlobStore blobStore = AccessController.doPrivileged(
            (PrivilegedAction<HdfsBlobStore>) () -> createBlobstore(uri, pathSetting, getMetadata().settings())
        );

     final Settings confSettings = repositorySettings.getByPrefix("conf.");
        for (String key : confSettings.keySet()) {
            logger.debug("Adding configuration to HDFS Client Configuration : {} = {}", key, confSettings.get(key));
            hadoopConfiguration.set(key, confSettings.get(key));
        }




### Steps to Reproduce

snapshots

### Logs (if relevant)

_No response_
plugins/repository-hdfs/src/main/java/org/elasticsearch/repositories/hdfs/HdfsBlobStore.java
}
        }
    }
    @SuppressWarnings("HiddenField")
    private void mkdirs(Path path) throws IOException {
        execute((Operation<Void>) fileContext -> {
            fileContext.mkdir(path, null, true);
            return null;
        });
    }
    @Override
    public String toString() {
        return root.toUri().toString();
    }
    @Override
    public BlobContainer blobContainer(BlobPath path) {
        return new HdfsBlobContainer(path, this, buildHdfsPath(path), bufferSize, securityContext);
    }
    private Path buildHdfsPath(BlobPath blobPath) {
        final Path path = translateToHdfsPath(blobPath);
        if (readOnly == false) {
            try {
                mkdirs(path);
            } catch (FileAlreadyExistsException ok) {
                
            } catch (IOException ex) {
                throw new ElasticsearchException("failed to create blob container", ex);
            }
        }