diff --git a/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-2.json b/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-2.json
index ea84f886b8f5e465f6a605493f6fd6f97b57054c..10eb0852be5ab5018cbca46923c3f4ad65345141 100644
--- a/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-2.json
+++ b/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-2.json
@@ -220,7 +220,7 @@
       "by_path": "/dev/disk/by-path/pci-0000:01:00.0-scsi-0:0:0:0",
       "firmware_version": "DD02",
       "id": "disk0",
-      "interface": "SAS",
+      "interface": "SATA",
       "model": "HFS1T9G32FEH-BA1",
       "size": 1920383410176,
       "storage": "SSD",
diff --git a/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-3.json b/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-3.json
index 81468e8f306d6255f177292755426d49f7defd16..598efba960267a9053d6a54374a687cd31133397 100644
--- a/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-3.json
+++ b/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-3.json
@@ -220,7 +220,7 @@
       "by_path": "/dev/disk/by-path/pci-0000:01:00.0-scsi-0:0:0:0",
       "firmware_version": "DD02",
       "id": "disk0",
-      "interface": "SAS",
+      "interface": "SATA",
       "model": "HFS1T9G32FEH-BA1",
       "size": 1920383410176,
       "storage": "SSD",
diff --git a/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-4.json b/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-4.json
index 9b2481ad81ae717d09e9772cbfb4262305356b72..cd4f8d592d4bb98bae6d7e36956fce0e382b7241 100644
--- a/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-4.json
+++ b/data/grid5000/sites/nancy/clusters/gruss/nodes/gruss-4.json
@@ -220,7 +220,7 @@
       "by_path": "/dev/disk/by-path/pci-0000:01:00.0-scsi-0:0:0:0",
       "firmware_version": "DD02",
       "id": "disk0",
-      "interface": "SAS",
+      "interface": "SATA",
       "model": "HFS1T9G32FEH-BA1",
       "size": 1920383410176,
       "storage": "SSD",
diff --git a/input/grid5000/disks.yaml b/input/grid5000/disks.yaml
index 395eec398845b342a3c58a8402565df9432a7ab2..7e05ab261f518ade2442dc7c614de7100191171c 100644
--- a/input/grid5000/disks.yaml
+++ b/input/grid5000/disks.yaml
@@ -25,8 +25,6 @@ disk_vendor_model_mapping:
       - unknown
 
   SAS:
-    Sk Hynix: 
-      - HFS1T9G32FEH-BA1
     Hitachi:
       - HUS726040ALS210
     Seagate:
@@ -87,6 +85,8 @@ disk_vendor_model_mapping:
       - WDC WD2502ABYS-1
       - WDC WD2003FYYS-1
       - WDC WD1003FBYX-1
+    Sk Hynix:
+      - HFS1T9G32FEH-BA1
     Unknown:
       - unknown
 
diff --git a/input/grid5000/sites/nancy/clusters/gruss/gruss.yaml b/input/grid5000/sites/nancy/clusters/gruss/gruss.yaml
index 4d281000a379d6ce36b15500a3e515886984488d..cd928bc9519ee9f6f7aab4de2cf16a9ac0fac318 100644
--- a/input/grid5000/sites/nancy/clusters/gruss/gruss.yaml
+++ b/input/grid5000/sites/nancy/clusters/gruss/gruss.yaml
@@ -37,6 +37,12 @@ nodes:
         enabled: false
         mountable: false
         mounted: false
+  gruss-[2-4]:
+    storage_devices:
+      pci-0000:01:00.0-scsi-0:0:0:0:
+        interface: SATA
+        id: disk0
+  gruss-1:
     storage_devices:
       pci-0000:01:00.0-scsi-0:0:0:0:
         interface: SAS