diff --git a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-27.json b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-27.json
index df0b75067795043aaedc9146373809fea47df446..9199a31803fc7f26313ea1c95dbb3fca59019212 100644
--- a/data/grid5000/sites/nancy/clusters/gros/nodes/gros-27.json
+++ b/data/grid5000/sites/nancy/clusters/gros/nodes/gros-27.json
@@ -242,15 +242,15 @@
   },
   "storage_devices": [
     {
-      "by_id": "/dev/disk/by-id/wwn-0x500a075121db945e",
+      "by_id": "/dev/disk/by-id/wwn-0x5002538e0114c05e",
       "by_path": "/dev/disk/by-path/pci-0000:17:00.0-scsi-0:0:0:0",
-      "firmware_version": "D1DF005",
+      "firmware_version": "HF58",
       "id": "disk0",
       "interface": "SATA",
-      "model": "MTFDDAK480TDN",
+      "model": "MZ7KH480HAHQ0D3",
       "size": 480103981056,
       "storage": "SSD",
-      "vendor": "Micron"
+      "vendor": "Samsung"
     },
     {
       "by_id": "/dev/disk/by-id/wwn-0x500a075121a49aa6",
diff --git a/input/grid5000/disks.yaml b/input/grid5000/disks.yaml
index 6448fca0ccc7d1551c8c2798078327d263b5180a..31abf609ab87c49920ca79f3fb73da7036a43bb2 100644
--- a/input/grid5000/disks.yaml
+++ b/input/grid5000/disks.yaml
@@ -72,6 +72,7 @@ disk_vendor_model_mapping:
       - MZ7KM240HMHQ0D3
       - MZ7KH1T9HAJR0D3
       - MZ7KM480HMHQ0D3
+      - MZ7KH480HAHQ0D3
       - SAMSUNG MZ7LM1T9
       - SAMSUNG MZ7KM480
       - Samsung SSD 860
diff --git a/input/grid5000/sites/nancy/clusters/gros/nodes/gros-27.yaml b/input/grid5000/sites/nancy/clusters/gros/nodes/gros-27.yaml
index b6d1aabfd8466d11b4b56317d4d64595ca152cd5..e8edd04345be6b410645dcadffe4f599514b4ff8 100644
--- a/input/grid5000/sites/nancy/clusters/gros/nodes/gros-27.yaml
+++ b/input/grid5000/sites/nancy/clusters/gros/nodes/gros-27.yaml
@@ -88,10 +88,10 @@ gros-27:
     version: Gold 5220
   storage_devices:
     pci-0000:17:00.0-scsi-0:0:0:0:
-      by_id: "/dev/disk/by-id/wwn-0x500a075121db945e"
+      by_id: "/dev/disk/by-id/wwn-0x5002538e0114c05e"
       by_path: "/dev/disk/by-path/pci-0000:17:00.0-scsi-0:0:0:0"
-      firmware_version: D1DF005
-      model: MTFDDAK480TDN
+      firmware_version: HF58
+      model: MZ7KH480HAHQ0D3
       size: 480103981056
       storage: SSD
     pci-0000:17:00.0-scsi-0:0:1:0:
diff --git a/lib/refrepo/valid/data/homogeneity.yaml.erb b/lib/refrepo/valid/data/homogeneity.yaml.erb
index 7730bfca0fb4db8dff2a30f5c33b98850e77537e..f81d53131a395bf9810909d5a46ae16ae6a0d721 100644
--- a/lib/refrepo/valid/data/homogeneity.yaml.erb
+++ b/lib/refrepo/valid/data/homogeneity.yaml.erb
@@ -149,6 +149,10 @@ nancy:
     - ~network_adapters.eth2.name
     - ~network_adapters.eth3.name
     - +network_adapters.ib0
+  gros-[27-28]:
+    - ~storage_devices.pci-0000:17:00.0-scsi-0:0:0:0.firmware_version
+    - ~storage_devices.pci-0000:17:00.0-scsi-0:0:0:0.model
+    - ~storage_devices.pci-0000:17:00.0-scsi-0:0:0:0.vendor
   gros-[68-69]:
     - ~storage_devices.pci-0000:17:00.0-scsi-0:0:1:0.vendor
     - ~storage_devices.pci-0000:17:00.0-scsi-0:0:1:0.model