diff --git a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-1.json b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-1.json
index fcc9af85ff25ca4944e4dd1af429750baae10999..45f5b2183b3cdd5fb8cf6964b7acbe421f0c5ec6 100644
--- a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-1.json
+++ b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-1.json
@@ -104,6 +104,7 @@
   "storage_devices": [
     {
       "by_id": "",
+      "by_path": "/dev/disk/by-path/pci-0000:00:17.0-ata-1",
       "id": "disk0",
       "interface": "SATA",
       "model": "HPE P40498-B21",
diff --git a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-2.json b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-2.json
index 67f4c32f53643594be2ed38a19a5bb93090950c1..98d0d87921c1ece032b1f5d909ab54260417c8fc 100644
--- a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-2.json
+++ b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-2.json
@@ -104,6 +104,7 @@
   "storage_devices": [
     {
       "by_id": "",
+      "by_path": "/dev/disk/by-path/pci-0000:00:17.0-ata-1",
       "id": "disk0",
       "interface": "SATA",
       "model": "HPE P40498-B21",
diff --git a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-3.json b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-3.json
index c573de6e6c665e7373ecd8e99087a5a36f13806d..9559ae8e7ed8337091f289087541a69447583923 100644
--- a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-3.json
+++ b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-3.json
@@ -104,6 +104,7 @@
   "storage_devices": [
     {
       "by_id": "",
+      "by_path": "/dev/disk/by-path/pci-0000:00:17.0-ata-1",
       "id": "disk0",
       "interface": "SATA",
       "model": "HPE P40498-B21",
diff --git a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-4.json b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-4.json
index b45d620610cbef71ea455757592c7ed276c241a4..97598e80db26af68dfee423a5ca7a4eb6dd56b89 100644
--- a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-4.json
+++ b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-4.json
@@ -104,6 +104,7 @@
   "storage_devices": [
     {
       "by_id": "",
+      "by_path": "/dev/disk/by-path/pci-0000:00:17.0-ata-1",
       "id": "disk0",
       "interface": "SATA",
       "model": "HPE P40498-B21",
diff --git a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-5.json b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-5.json
index 2c0e29d5973efcbfc7dc24aedeb0553db1062ab9..eb3fc3960d3792de090e942f3a7210e14cb4b594 100644
--- a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-5.json
+++ b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-5.json
@@ -104,6 +104,7 @@
   "storage_devices": [
     {
       "by_id": "",
+      "by_path": "/dev/disk/by-path/pci-0000:00:17.0-ata-1",
       "id": "disk0",
       "interface": "SATA",
       "model": "HPE P40498-B21",
diff --git a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-6.json b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-6.json
index 7cbbc64a1484c0cd303b31a37e94cfa9ca1b1f70..b35c68ffc112ff874a83bd4ef8ccf0f7aca34bb6 100644
--- a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-6.json
+++ b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-6.json
@@ -104,6 +104,7 @@
   "storage_devices": [
     {
       "by_id": "",
+      "by_path": "/dev/disk/by-path/pci-0000:00:17.0-ata-1",
       "id": "disk0",
       "interface": "SATA",
       "model": "HPE P40498-B21",
diff --git a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-7.json b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-7.json
index a9886bacac93d539d3ac471db8e1515d3bbb8c65..9beed97d05ad596f2e0c4d8335adc7bba2ec6fd0 100644
--- a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-7.json
+++ b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-7.json
@@ -104,6 +104,7 @@
   "storage_devices": [
     {
       "by_id": "",
+      "by_path": "/dev/disk/by-path/pci-0000:00:17.0-ata-1",
       "id": "disk0",
       "interface": "SATA",
       "model": "HPE P40498-B21",
diff --git a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-8.json b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-8.json
index 7d31e05d201317478de5e1b091c8f64e98942cfd..ac50ecb8b9bf18ee2cf9d03132f39dd1c116f590 100644
--- a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-8.json
+++ b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-8.json
@@ -104,6 +104,7 @@
   "storage_devices": [
     {
       "by_id": "",
+      "by_path": "/dev/disk/by-path/pci-0000:00:17.0-ata-1",
       "id": "disk0",
       "interface": "SATA",
       "model": "HPE P40498-B21",
diff --git a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-9.json b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-9.json
index 3d2ee9b4702f080b71650bb16954221b8ee84fc1..d5be3a6280e63d882384302455e379feec5d7a90 100644
--- a/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-9.json
+++ b/data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-9.json
@@ -104,6 +104,7 @@
   "storage_devices": [
     {
       "by_id": "",
+      "by_path": "/dev/disk/by-path/pci-0000:00:17.0-ata-1",
       "id": "disk0",
       "interface": "SATA",
       "model": "HPE P40498-B21",
diff --git a/input/grid5000/sites/toulouse/clusters/montcalm/montcalm.yaml b/input/grid5000/sites/toulouse/clusters/montcalm/montcalm.yaml
index 67aa8ba5206b7cc3043ca3eb3eeb80573dbfb864..2d1e663211b3b7bb2f4f850066deb2dea4dfb4cc 100644
--- a/input/grid5000/sites/toulouse/clusters/montcalm/montcalm.yaml
+++ b/input/grid5000/sites/toulouse/clusters/montcalm/montcalm.yaml
@@ -75,6 +75,7 @@ nodes:
       pci-0000:00:17.0-ata-1:
         size: 1030792151040
         id: disk0
+        by_path: "/dev/disk/by-path/pci-0000:00:17.0-ata-1"
         model: HPE P40498-B21
         interface: SATA
         storage: SSD