### 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/test/java/org/elasticsearch/repositories/hdfs/HdfsTests.java
.setWaitForCompletion(true)
            .execute()
            .actionGet();
        assertThat(restoreSnapshotResponse.getRestoreInfo().totalShards(), greaterThan(0));
        ensureGreen();
        assertThat(count(client, "test-idx-1"), equalTo(100L));
        assertThat(count(client, "test-idx-2"), equalTo(100L));
        assertThat(count(client, "test-idx-3"), equalTo(50L));
        
        logger.info("--> delete indices");
        client().admin().indices().prepareDelete("test-idx-1", "test-idx-2").get();
        logger.info("--> restore one index after deletion");
        restoreSnapshotResponse = client.admin()
            .cluster()
            .prepareRestoreSnapshot("test-repo", "test-snap")
            .setWaitForCompletion(true)
            .setIndices("test-idx-*", "-test-idx-2")
            .execute()
            .actionGet();
        assertThat(restoreSnapshotResponse.getRestoreInfo().totalShards(), greaterThan(0));
        ensureGreen();
        assertThat(count(client, "test-idx-1"), equalTo(100L));
        ClusterState clusterState = client.admin().cluster().prepareState().get().getState();
        assertThat(clusterState.getMetadata().hasIndex("test-idx-1"), equalTo(true));
        assertThat(clusterState.getMetadata().hasIndex("test-idx-2"), equalTo(false));
        final BlobStoreRepository repo = (BlobStoreRepository) getInstanceFromNode(RepositoriesService.class).repository("test-repo");
        BlobStoreTestUtil.assertConsistency(repo);
    }
    public void testMissingUri() {
        try {