diff --git a/cinder/volume/drivers/hitachi/hnas_backend.py b/cinder/volume/drivers/hitachi/hnas_backend.py
index fa34b9b0f..4497d8247 100644
--- a/cinder/volume/drivers/hitachi/hnas_backend.py
+++ b/cinder/volume/drivers/hitachi/hnas_backend.py
@@ -96,12 +96,17 @@ class HNASSSHBackend(object):
         """Gets version information from the storage unit.
 
         :returns: dictionary with HNAS information
-        storage_version={
-            'mac': HNAS MAC ID,
-            'model': HNAS model,
-            'version': the software version,
-            'hardware': the hardware version,
-            'serial': HNAS serial number}
+
+        .. code:: python
+
+          storage_version={
+              'mac': HNAS MAC ID,
+              'model': HNAS model,
+              'version': the software version,
+              'hardware': the hardware version,
+              'serial': HNAS serial number
+          }
+
         """
         if not self.storage_version:
             version_info = {}
@@ -131,11 +136,15 @@ class HNASSSHBackend(object):
         """Gets the IP addresses of all EVSs in HNAS.
 
         :returns: dictionary with EVS information
-        evs_info={
-            <IP1>: {evs_number: number identifying the EVS1 on HNAS},
-            <IP2>: {evs_number: number identifying the EVS2 on HNAS},
-            ...
-        }
+
+        .. code:: python
+
+          evs_info={
+              <IP1>: {evs_number: number identifying the EVS1 on HNAS},
+              <IP2>: {evs_number: number identifying the EVS2 on HNAS},
+              ...
+          }
+
         """
         evs_info = {}
         out, err = self._run_cmd("evsipaddr", "-l")
@@ -154,15 +163,19 @@ class HNASSSHBackend(object):
 
         :param fs_label: Label of the filesystem
         :returns: dictionary with FS information
-        fs_info={
-            'id': a Logical Unit ID,
-            'label': a Logical Unit name,
-            'evs_id': the ID of the EVS in which the filesystem is created
-            (not present if there is a single EVS),
-            'total_size': the total size of the FS (in GB),
-            'used_size': the size that is already used (in GB),
-            'available_size': the free space (in GB)
+
+        .. code:: python
+
+          fs_info={
+              'id': a Logical Unit ID,
+              'label': a Logical Unit name,
+              'evs_id': the ID of the EVS in which the filesystem is created
+              (not present if there is a single EVS),
+              'total_size': the total size of the FS (in GB),
+              'used_size': the size that is already used (in GB),
+              'available_size': the free space (in GB)
             }
+
         """
         def _convert_size(param):
             size = float(param) * units.Mi
@@ -401,7 +414,8 @@ class HNASSSHBackend(object):
         :param file_path: path of the cloned file
         :param fs_label: filesystem of the cloned file
         :param raise_except: If True exception will be raised for files that
-        aren't clones. If False, only an error message is logged.
+                             aren't clones. If False, only an error message
+                             is logged.
         :returns: list with names of the related files
         """
         relatives = []
diff --git a/cinder/volume/drivers/hitachi/hnas_nfs.py b/cinder/volume/drivers/hitachi/hnas_nfs.py
index 212fc2d23..45029d925 100644
--- a/cinder/volume/drivers/hitachi/hnas_nfs.py
+++ b/cinder/volume/drivers/hitachi/hnas_nfs.py
@@ -319,14 +319,18 @@ class HNASNFSDriver(nfs.NfsDriver):
 
         :param refresh: if it is True, update the stats first.
         :returns: dictionary with the stats from HNAS
-        _stats['pools'] = {
-            'total_capacity_gb': total size of the pool,
-            'free_capacity_gb': the available size,
-            'QoS_support': bool to indicate if QoS is supported,
-            'reserved_percentage': percentage of size reserved,
-            'max_over_subscription_ratio': oversubscription rate,
-            'thin_provisioning_support': thin support (True),
-            }
+
+        .. code:: python
+
+          _stats['pools'] = {
+              'total_capacity_gb': total size of the pool,
+              'free_capacity_gb': the available size,
+              'QoS_support': bool to indicate if QoS is supported,
+              'reserved_percentage': percentage of size reserved,
+              'max_over_subscription_ratio': oversubscription rate,
+              'thin_provisioning_support': thin support (True),
+              }
+
         """
         LOG.info("Getting volume stats")
 
@@ -561,7 +565,7 @@ class HNASNFSDriver(nfs.NfsDriver):
 
         :param volume: cinder volume to manage
         :param existing_vol_ref: driver-specific information used to identify a
-        volume
+                                 volume
         :returns: the provider location
         :raises VolumeBackendAPIException:
         """
diff --git a/cinder/volume/drivers/hitachi/hnas_utils.py b/cinder/volume/drivers/hitachi/hnas_utils.py
index 5a2aae950..edd8c4193 100644
--- a/cinder/volume/drivers/hitachi/hnas_utils.py
+++ b/cinder/volume/drivers/hitachi/hnas_utils.py
@@ -175,9 +175,17 @@ def read_xml_config(xml_config_file, svc_params, optional_params):
 
     :param xml_config_file: string filename containing XML configuration
     :param svc_params: parameters to configure the services
-    ['volume_type', 'hdp']
+
+    .. code:: python
+
+      ['volume_type', 'hdp']
+
     :param optional_params: parameters to configure that are not mandatory
-    ['ssc_cmd', 'cluster_admin_ip0', 'chap_enabled']
+
+    .. code:: python
+
+      ['ssc_cmd', 'cluster_admin_ip0', 'chap_enabled']
+
     """
 
     if not os.access(xml_config_file, os.R_OK):
@@ -278,7 +286,7 @@ def read_cinder_conf(config_opts):
     file.
 
     :param config_opts: Configuration object that contains the information
-    needed by HNAS driver
+                        needed by HNAS driver
     :param dv_type: The type of the driver (NFS or iSCSI)
     :returns: Dictionary with the driver configuration
     """