diff --git a/data/grid5000/sites/rennes/clusters/roazhon2/nodes/roazhon2-1.json b/data/grid5000/sites/rennes/clusters/roazhon2/nodes/roazhon2-1.json
index c50c9d07db6c505b46a9672283950be7a992d495..e768fc8e6dc5e4d336eea0d5b1c6586c7d10f139 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon2/nodes/roazhon2-1.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon2/nodes/roazhon2-1.json
@@ -89,7 +89,7 @@
   "storage_devices": [
     {
       "by_id": "",
-      "by_path": "/dev/disk/by-path/dummy",
+      "by_path": "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:0:0",
       "id": "disk0",
       "interface": "SAS",
       "model": "unknown",
diff --git a/input/grid5000/sites/rennes/clusters/roazhon2/roazhon2.yaml b/input/grid5000/sites/rennes/clusters/roazhon2/roazhon2.yaml
index 487853ff3ae2d0729fb331ab6dd1dee2f02f8d79..b6a6f4e66319d267789a2314513bc3cff816cc83 100644
--- a/input/grid5000/sites/rennes/clusters/roazhon2/roazhon2.yaml
+++ b/input/grid5000/sites/rennes/clusters/roazhon2/roazhon2.yaml
@@ -65,4 +65,4 @@ nodes:
         interface: SAS
         storage: SSD
         model: unknown
-        by_path: "/dev/disk/by-path/dummy"
+        by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:0:0"