$ radosgw-admin zone get
{}
$radosgw-admin region get
{
"name": "default",
"api_name": "",
"is_master": "true",
"endpoints": [],
"hostnames": [],
"master_zone": "",
"zones": [
{
"name": "default",
"endpoints": [],
"log_meta": "false",
"log_data": "false",
"bucket_index_max_shards": 0
}
],
"placement_targets": [
{
"name": "default-placement",
"tags": []
}
],
"default_placement": "default-placement"
}