diff --git a/configs-examples/local_ceph.yaml b/configs-examples/local_ceph.yaml
index 613894d..519f094 100644
--- a/configs-examples/local_ceph.yaml
+++ b/configs-examples/local_ceph.yaml
@@ -1,3 +1,5 @@
+include: default.yaml
+
 clouds:
     ceph: local
 
@@ -6,9 +8,6 @@
 explicit_nodes:
     local: testnode
 
-internal:
-    var_dir_root: /tmp/perf_tests
-
 sensors:
     roles_mapping:
         testnode: system-cpu, block-io
@@ -17,8 +16,5 @@
     - io:
         cfg: ceph
         params:
-            FILENAME: CEPH_RBD_DEVICE
-            NUM_ROUNDS: 7
-
-logging:
-    extra_logs: 1
+            FILENAME: ${CEPH_RBD_DEVICE}
+            FILESIZE: ${FILESIZE}