diff --git a/resources/dir.ini b/resources/dir.ini
deleted file mode 100644
index 4e7b491..0000000
--- a/resources/dir.ini
+++ /dev/null
@@ -1,15 +0,0 @@
-[main]
-storage_class = remote_storage
-storage_args = http://localhost:5002/
-send_contents = True
-send_directories = True
-send_revisions = True
-send_releases = True
-send_occurrences = True
-content_packet_size = 10000
-content_packet_size_bytes = 1073741824
-content_packet_block_size_bytes = 104857600
-directory_packet_size = 25000
-revision_packet_size = 100000
-release_packet_size = 100000
-occurrence_packet_size = 100000
diff --git a/resources/dir.yml b/resources/dir.yml
new file mode 100644
index 0000000..f60d1e1
--- /dev/null
+++ b/resources/dir.yml
@@ -0,0 +1,17 @@
+storage:
+  cls: remote
+  args:
+    url: http://localhost:5002/
+
+send_contents: True
+send_directories: True
+send_revisions: True
+send_releases: True
+send_occurrences: True
+content_packet_size: 10000
+content_packet_size_bytes: 1073741824
+content_packet_block_size_bytes: 104857600
+directory_packet_size: 25000
+revision_packet_size: 100000
+release_packet_size: 100000
+occurrence_packet_size: 100000
diff --git a/resources/loader/dir.ini b/resources/loader/dir.ini
deleted file mode 100644
index 199e751..0000000
--- a/resources/loader/dir.ini
+++ /dev/null
@@ -1,35 +0,0 @@
-[main]
-
-dir_path = /home/tony/work/inria/repo/linux-tryouts
-
-# synthetic origin
-origin_url = file:///dev/null
-origin_type = dir
-
-# occurrence
-occurrence_branch = master
-occurrence_date = 2015-10-01 00:00:00+00
-
-# occurrence
-occurrence2_branch = dev
-occurrence2_date = 2015-11-01 00:00:00+00
-
-# synthetic revision
-revision_author_name = swh author
-revision_author_email = swh@inria.fr
-revision_author_date = 1444054085
-revision_author_offset = +0200
-revision_committer_name = swh committer
-revision_committer_email = swh@inria.fr
-revision_committer_date = 1444054085
-revision_committer_offset = +0200
-revision_type = tar
-revision_message = synthetic revision message
-
-# synthetic release
-release_name = v0.0.1
-release_date = 1444054085
-release_offset = +0200
-release_author_name = swh author
-release_author_email = swh@inria.fr
-release_comment = synthetic release
diff --git a/resources/loader/dir.yml b/resources/loader/dir.yml
new file mode 100644
index 0000000..c6482df
--- /dev/null
+++ b/resources/loader/dir.yml
@@ -0,0 +1,35 @@
+# file to be used with bin/swh-check-missing-objects.py
+
+dir_path: /home/tony/work/inria/repo/linux-tryouts
+
+# synthetic origin
+origin_url: file:///dev/null
+origin_type: dir
+
+# occurrence
+occurrence_branch: master
+occurrence_date: 2015-10-01 00:00:00+00
+
+# occurrence
+occurrence2_branch: dev
+occurrence2_date: 2015-11-01 00:00:00+00
+
+# synthetic revision
+revision_author_name: swh author
+revision_author_email: swh@inria.fr
+revision_author_date: 1444054085
+revision_author_offset: +0200
+revision_committer_name: swh committer
+revision_committer_email: swh@inria.fr
+revision_committer_date: 1444054085
+revision_committer_offset: +0200
+revision_type: tar
+revision_message: synthetic revision message
+
+# synthetic release
+release_name: v0.0.1
+release_date: 1444054085
+release_offset: +0200
+release_author_name: swh author
+release_author_email: swh@inria.fr
+release_comment: synthetic release