$ sudo ceph daemon osd.1 config diff
{
    "diff": {
        "current": {
            "auth_client_required": "cephx",
            "cephx_cluster_require_signatures": "true",
            "cluster_addr": "10.143.114.186:0\/0",
            "cluster_network": "10.143.114.128\/26",
            "filestore_merge_threshold": "40",
            "filestore_op_threads": "8",
            "filestore_split_multiple": "8",
            "fsid": "4a158d27-f750-41d5-9e7f-26ce4c9d2d45",
            "internal_safe_to_start_threads": "true",
            "keyring": "\/var\/lib\/ceph\/osd\/ceph-1\/keyring",
            "leveldb_log": "",
            "log_to_stderr": "false",
            "max_open_files": "131072",
            "osd_journal_size": "10240",
            "osd_max_backfills": "2",
            "osd_op_threads": "8",
            "osd_pool_default_crush_rule": "0",
            "osd_pool_default_min_size": "1",
            "osd_pool_default_pg_num": "128",
            "osd_pool_default_pgp_num": "128",
            "osd_pool_default_size": "2",
            "osd_recovery_max_active": "5",
            "osd_recovery_max_chunk": "1048576",
            "osd_recovery_op_priority": "2",
            "pid_file": "\/var\/run\/ceph\/osd.1.pid",
            "public_addr": "10.143.114.186:0\/0",
            "public_network": "10.143.114.128\/26"
        },
        "defaults": {
            "auth_client_required": "cephx, none",
            "cephx_cluster_require_signatures": "false",
            "cluster_addr": ":\/0",
            "cluster_network": "",
            "filestore_merge_threshold": "10",
            "filestore_op_threads": "2",
            "filestore_split_multiple": "2",
            "fsid": "00000000-0000-0000-0000-000000000000",
            "internal_safe_to_start_threads": "false",
            "keyring": "\/etc\/ceph\/ceph.osd.1.keyring,\/etc\/ceph\/ceph.keyring,\/etc\/ceph\/keyring,\/etc\/ceph\/keyring.bin",
            "leveldb_log": "\/dev\/null",
            "log_to_stderr": "true",
            "max_open_files": "0",
            "osd_journal_size": "5120",
            "osd_max_backfills": "10",
            "osd_op_threads": "2",
            "osd_pool_default_crush_rule": "-1",
            "osd_pool_default_min_size": "0",
            "osd_pool_default_pg_num": "8",
            "osd_pool_default_pgp_num": "8",
            "osd_pool_default_size": "3",
            "osd_recovery_max_active": "15",
            "osd_recovery_max_chunk": "8388608",
            "osd_recovery_op_priority": "10",
            "pid_file": "",
            "public_addr": ":\/0",
            "public_network": ""
        }
    },
    "unknown": []
}