diff --git a/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-1.json b/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-1.json
index dcba1b382b16d7099324dd1804b4d7ef28cdd0ae..b235f88349687148f23582646debf39c3ab39245 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-1.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-1.json
@@ -74,7 +74,7 @@
   "storage_devices": [
     {
       "by_id": "",
-      "by_path": "/dev/disk/by-path/dummy",
+      "by_path": "/dev/disk/by-path/pci-0000:03:00.0-scsi-0:2:0:0",
       "id": "disk0",
       "interface": "SAS",
       "model": "unknown",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-2.json b/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-2.json
index 86342591ca680615f4ac2fee80d19ac243a4809b..0cb31691404d6faf0f73518dfcac2efe218c5581 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-2.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-2.json
@@ -74,7 +74,7 @@
   "storage_devices": [
     {
       "by_id": "",
-      "by_path": "/dev/disk/by-path/dummy",
+      "by_path": "/dev/disk/by-path/pci-0000:03:00.0-scsi-0:2:0:0",
       "id": "disk0",
       "interface": "SAS",
       "model": "unknown",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-3.json b/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-3.json
index 6caea21a12be982e2b880d468ee67765979d4800..5fd1f16501713762a1134e6032ada913059566db 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-3.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-3.json
@@ -74,7 +74,7 @@
   "storage_devices": [
     {
       "by_id": "",
-      "by_path": "/dev/disk/by-path/dummy",
+      "by_path": "/dev/disk/by-path/pci-0000:03:00.0-scsi-0:2:0:0",
       "id": "disk0",
       "interface": "SAS",
       "model": "unknown",
diff --git a/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-4.json b/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-4.json
index 668d825821fb58329bc367661ae4ab8f0150b4a3..754e8778184909c587d913212186a2d0da45ad29 100644
--- a/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-4.json
+++ b/data/grid5000/sites/rennes/clusters/roazhon6/nodes/roazhon6-4.json
@@ -74,7 +74,7 @@
   "storage_devices": [
     {
       "by_id": "",
-      "by_path": "/dev/disk/by-path/dummy",
+      "by_path": "/dev/disk/by-path/pci-0000:03:00.0-scsi-0:2:0:0",
       "id": "disk0",
       "interface": "SAS",
       "model": "unknown",
diff --git a/input/grid5000/sites/rennes/clusters/roazhon6/roazhon6.yaml b/input/grid5000/sites/rennes/clusters/roazhon6/roazhon6.yaml
index cde44e9cb8979bcdf7fa8af1160b7db6aa61fad6..f16d908e74622dc898568d24ba87b2d4d98784a2 100644
--- a/input/grid5000/sites/rennes/clusters/roazhon6/roazhon6.yaml
+++ b/input/grid5000/sites/rennes/clusters/roazhon6/roazhon6.yaml
@@ -51,7 +51,7 @@ nodes:
         interface: SAS
         storage: SSD
         model: unknown
-        by_path: "/dev/disk/by-path/dummy"
+        by_path: "/dev/disk/by-path/pci-0000:03:00.0-scsi-0:2:0:0"
   roazhon6-1:
     network_adapters:
       bmc: