diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index ff860d5..9e22ca3 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -825,18 +825,20 @@
         return floating_ip
 
     def create_timestamp(self, ip_address, dev_name=None, mount_path='/mnt',
-                         private_key=None, server=None):
+                         private_key=None, server=None, username=None,
+                         fs='ext4'):
         """Creates timestamp
 
         This wrapper utility does ssh, creates timestamp and returns the
         created timestamp.
         """
-
         ssh_client = self.get_remote_client(ip_address,
                                             private_key=private_key,
-                                            server=server)
+                                            server=server,
+                                            username=username)
+
         if dev_name is not None:
-            ssh_client.make_fs(dev_name)
+            ssh_client.make_fs(dev_name, fs=fs)
             ssh_client.exec_command('sudo mount /dev/%s %s' % (dev_name,
                                                                mount_path))
         cmd_timestamp = 'sudo sh -c "date > %s/timestamp; sync"' % mount_path