diff --git a/cinder/volume/manager.py b/cinder/volume/manager.py
index 4886fa943..cd9184727 100644
--- a/cinder/volume/manager.py
+++ b/cinder/volume/manager.py
@@ -2166,9 +2166,24 @@ class VolumeManager(manager.CleanableManager,
                                   capabilities.get('sparse_copy_volume',
                                                    False))
 
+        src_device_path = src_attach_info['device']['path']
+        converted_path = None
+
+        # Check if we don't try to copy qcow where it's not supported
+        if src_attach_info['conn']['data'].get('format') == 'qcow2' and \
+            src_attach_info['conn']['driver_volume_type'] == 'nfs' and \
+            src_attach_info['conn']['driver_volume_type'] != \
+                dest_attach_info['conn']['driver_volume_type']:
+
+            converted_path = "%s.raw" % src_attach_info['device']['path']
+            volume_utils.qemu_img_convert(src_attach_info['device']['path'],
+                                          converted_path)
+
+            src_device_path = converted_path
+
         try:
             size_in_mb = int(src_vol['size']) * units.Ki    # vol size is in GB
-            volume_utils.copy_volume(src_attach_info['device']['path'],
+            volume_utils.copy_volume(src_device_path,
                                      dest_attach_info['device']['path'],
                                      size_in_mb,
                                      self.configuration.volume_dd_blocksize,
@@ -2184,6 +2199,8 @@ class VolumeManager(manager.CleanableManager,
                                     remote=dest_remote,
                                     attach_encryptor=attach_encryptor)
             finally:
+                if converted_path:
+                    utils.execute('rm', '-f', converted_path, run_as_root=True)
                 self._detach_volume(ctxt, src_attach_info, src_vol,
                                     properties, force=True,
                                     remote=src_remote,
diff --git a/cinder/volume/volume_utils.py b/cinder/volume/volume_utils.py
index 52485e809..ec562bd82 100644
--- a/cinder/volume/volume_utils.py
+++ b/cinder/volume/volume_utils.py
@@ -546,6 +546,21 @@ def _transfer_data(src, dest, length, chunk_size):
     tpool.execute(dest.flush)
 
 
+def qemu_img_convert(src, dest, dst_f='raw'):
+
+    LOG.info("Volume %(src)s is QCOW2, so needs to be converted into RAW",
+                {'src': src})
+    convert_cmd = [
+        'qemu-img', 'convert', '-O', dst_f, src, dest
+    ]
+    try:
+        utils.execute(*convert_cmd, run_as_root=True)
+    except Exception:
+        with excutils.save_and_reraise_exception():
+            LOG.error("Unable to convert volume %(src)s into %(fmt)s format",
+                      {'src': src, 'fmt': dst_f})
+
+
 def _copy_volume_with_file(src, dest, size_in_m):
     src_handle = src
     if isinstance(src, six.string_types):