diff --git a/data/grid5000/sites/sophia/clusters/esterel7/esterel7.json b/data/grid5000/sites/sophia/clusters/esterel7/esterel7.json
index 34b5045aaa337b7c58219a02f4645e1f24118093..22d4a3f6a028b319078dd91ed9ee05b205bceff2 100644
--- a/data/grid5000/sites/sophia/clusters/esterel7/esterel7.json
+++ b/data/grid5000/sites/sophia/clusters/esterel7/esterel7.json
@@ -78,7 +78,9 @@
       }
     }
   ],
-  "model": "Cluster Model",
+  "model": "Dell PowerEdge T630",
+  "nodes_count": 2,
+  "nodes_description": "1 CPU Unknown vendor, 72 cores/CPU, 0GB RAM, 0GB SSD, 1 x 10Gb Ethernet",
   "priority": 197001,
   "queues": [
     "admin",
@@ -88,4 +90,4 @@
   "type": "cluster",
   "uid": "esterel7",
   "warranty_end": "1970-01-01"
-}
\ No newline at end of file
+}
diff --git a/data/grid5000/sites/sophia/clusters/esterel7/nodes/esterel7-1.json b/data/grid5000/sites/sophia/clusters/esterel7/nodes/esterel7-1.json
index 0f68699eb79aa04295f66c6c487129f8b2b85eac..71027d72646231fcbd916322e780161470ff6e43 100644
--- a/data/grid5000/sites/sophia/clusters/esterel7/nodes/esterel7-1.json
+++ b/data/grid5000/sites/sophia/clusters/esterel7/nodes/esterel7-1.json
@@ -44,7 +44,7 @@
       "ip": "172.16.131.8",
       "ip6": "2001:660:4406:800:4::8",
       "kavlan": false,
-      "mac": "e0:db:55:fd:3a:2f",
+      "mac": "18:66:da:a2:51:11",
       "management": false,
       "mountable": true,
       "mounted": true,
@@ -105,7 +105,7 @@
   "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/sophia/clusters/esterel7/nodes/esterel7-2.json b/data/grid5000/sites/sophia/clusters/esterel7/nodes/esterel7-2.json
index 8c2b66f1d930e0735eeae9c914a7dc3d60c58ed2..e71edd995f62ff5a3f045dc96aa82a2e24b92b44 100644
--- a/data/grid5000/sites/sophia/clusters/esterel7/nodes/esterel7-2.json
+++ b/data/grid5000/sites/sophia/clusters/esterel7/nodes/esterel7-2.json
@@ -44,7 +44,7 @@
       "ip": "172.16.131.9",
       "ip6": "2001:660:4406:800:4::9",
       "kavlan": false,
-      "mac": "e0:db:55:fd:39:96",
+      "mac": "18:66:da:a2:43:cc",
       "management": false,
       "mountable": true,
       "mounted": true,
@@ -105,7 +105,7 @@
   "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/sophia/clusters/esterel7/esterel7.yaml b/input/grid5000/sites/sophia/clusters/esterel7/esterel7.yaml
index 6d5c46ed7b2b07c60e6bb0a4ba52eec39ebfc6bd..3bc19e759ece1fe154554c818b3dd3e9c2e1c8f3 100644
--- a/input/grid5000/sites/sophia/clusters/esterel7/esterel7.yaml
+++ b/input/grid5000/sites/sophia/clusters/esterel7/esterel7.yaml
@@ -1,5 +1,5 @@
 ---
-model: Cluster Model # TODO: change this value.
+model: Dell PowerEdge T630
 created_at: 2025-03-06
 kavlan: false
 boot_type: bios
@@ -33,7 +33,7 @@ nodes:
       disk0: # This field will have to be renamed later.
         id: disk0
         interface: SAS
-        by_path: "/dev/disk/by-path/dummy" # this path will have to change later.
+        by_path: "/dev/disk/by-path/pci-0000:03:00.0-scsi-0:2:0:0" # this path will have to change later.
     software:
       standard-environment: debian11-x64-std
     management_tools:
diff --git a/input/grid5000/sites/sophia/clusters/esterel7/nodes.yaml.erb b/input/grid5000/sites/sophia/clusters/esterel7/nodes.yaml.erb
index 3e3b78ac13076e73e1ef005c5fab7b0b7ea65acf..48bca01d30d8932ad6c219dc49c6836dde87de21 100644
--- a/input/grid5000/sites/sophia/clusters/esterel7/nodes.yaml.erb
+++ b/input/grid5000/sites/sophia/clusters/esterel7/nodes.yaml.erb
@@ -6,8 +6,8 @@
   nodes_number = 2 # Size of the cluster (number of nodes)
   # MAC addresses declaration
   mac_eth0_list = %w(
-e0:db:55:fd:3a:2f
-e0:db:55:fd:39:96
+18:66:da:a2:51:11
+18:66:da:a2:43:cc
   )
   mac_bmc_list = %w(
 18:66:da:a2:51:13