diff --git a/datadb/__init__.py b/datadb/__init__.py
index 034f46c..6526deb 100755
--- a/datadb/__init__.py
+++ b/datadb/__init__.py
@@ -1 +1 @@
-__version__ = "0.0.6"
+__version__ = "0.0.7"
diff --git a/datadb/datadb.py b/datadb/datadb.py
index 903a2ee..c0a576f 100755
--- a/datadb/datadb.py
+++ b/datadb/datadb.py
@@ -161,7 +161,9 @@ def backup(profile, conf, force=False):
         # CD to local source dir
         # tar+gz data and stream to backup server
 
-        args_tar = ['tar', '--exclude=.datadb.lock']
+        args_tar = ['ionice', '-c', '3',
+                    'nice', '-n', '19',
+                    'tar', '--exclude=.datadb.lock', '--warning=no-file-changed', '--ignore-failed-read']
 
         # Use pigz if available (Parallel gzip - http://zlib.net/pigz/)
         if has_binary("pigz"):