diff --git a/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-1.yaml b/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-1.yaml
index a8bb4a68fec46bfc6622d58d60ff9e8c39456948..f4d66ce7195a5c2345817e638445eed10c78e60d 100644
--- a/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-1.yaml
+++ b/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-1.yaml
@@ -9,7 +9,7 @@ yeti-1:
   bios:
     release_date: 12/12/2017
     vendor: Dell Inc.
-    version: 1.2.21
+    version: 1.4.5
   chassis:
     manufacturer: Dell Inc.
     name: PowerEdge R940
@@ -23,7 +23,7 @@ yeti-1:
       management: true
     eth0:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       ip: 172.16.19.1
       mac: 24:6e:96:91:1e:b0
@@ -34,7 +34,7 @@ yeti-1:
       vendor: Intel
     eth1:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       mac: 24:6e:96:91:1e:b2
       management: false
@@ -43,7 +43,7 @@ yeti-1:
       vendor: Intel
     eth2:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       mac: 24:6e:96:91:1e:b4
       management: false
@@ -52,7 +52,7 @@ yeti-1:
       vendor: Intel
     eth3:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       mac: 24:6e:96:91:1e:b6
       management: false
@@ -83,28 +83,28 @@ yeti-1:
     sda:
       by_id: "/dev/disk/by-id/wwn-0x6d09466030a09c00223ab220cfc3b8e0"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:0:0"
-      firmware_version: 5.0
+      firmware_version: 5.03
       model: PERC H740P Adp
       size: 479559942144
       vendor: DELL
     sdb:
       by_id: "/dev/disk/by-id/wwn-0x6d09466030a09c0021fcc937c12e0d1b"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:1:0"
-      firmware_version: 5.0
+      firmware_version: 5.03
       model: PERC H740P Adp
       size: 1999844147200
       vendor: DELL
     sdc:
       by_id: "/dev/disk/by-id/wwn-0x6d09466030a09c0021fcc93ac4f0fd93"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:2:0"
-      firmware_version: 5.0
+      firmware_version: 5.03
       model: PERC H740P Adp
       size: 1999844147200
       vendor: DELL
     sdd:
       by_id: "/dev/disk/by-id/wwn-0x6d09466030a09c0021fcc93dc8e0d879"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:3:0"
-      firmware_version: 5.0
+      firmware_version: 5.03
       model: PERC H740P Adp
       size: 1999844147200
       vendor: DELL
diff --git a/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-2.yaml b/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-2.yaml
index 813d7c1b1b0bf454c458b8d63c8dd90192547e33..a761fee79fb32aa50c3f6756af2c58c60f0d8642 100644
--- a/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-2.yaml
+++ b/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-2.yaml
@@ -9,7 +9,7 @@ yeti-2:
   bios:
     release_date: 12/12/2017
     vendor: Dell Inc.
-    version: 1.2.21
+    version: 1.4.5
   chassis:
     manufacturer: Dell Inc.
     name: PowerEdge R940
@@ -23,7 +23,7 @@ yeti-2:
       management: true
     eth0:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       ip: 172.16.19.2
       mac: 24:6e:96:91:2b:50
@@ -34,7 +34,7 @@ yeti-2:
       vendor: Intel
     eth1:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       mac: 24:6e:96:91:2b:52
       management: false
@@ -43,7 +43,7 @@ yeti-2:
       vendor: Intel
     eth2:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       mac: 24:6e:96:91:2b:54
       management: false
@@ -52,7 +52,7 @@ yeti-2:
       vendor: Intel
     eth3:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       mac: 24:6e:96:91:2b:56
       management: false
@@ -83,28 +83,28 @@ yeti-2:
     sda:
       by_id: "/dev/disk/by-id/wwn-0x6d09466030bbc600223ab55ace7a0389"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:0:0"
-      firmware_version: 5.0
+      firmware_version: 5.03
       model: PERC H740P Adp
       size: 479559942144
       vendor: DELL
     sdb:
       by_id: "/dev/disk/by-id/wwn-0x6d09466030bbc60021fcc932bf99a770"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:1:0"
-      firmware_version: 5.0
+      firmware_version: 5.03
       model: PERC H740P Adp
       size: 1999844147200
       vendor: DELL
     sdc:
       by_id: "/dev/disk/by-id/wwn-0x6d09466030bbc60021fcc935c34df088"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:2:0"
-      firmware_version: 5.0
+      firmware_version: 5.03
       model: PERC H740P Adp
       size: 1999844147200
       vendor: DELL
     sdd:
       by_id: "/dev/disk/by-id/wwn-0x6d09466030bbc60021fcc937c74d2454"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:3:0"
-      firmware_version: 5.0
+      firmware_version: 5.03
       model: PERC H740P Adp
       size: 1999844147200
       vendor: DELL
diff --git a/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-3.yaml b/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-3.yaml
index 6c148f2aa8e5e64c855e9ba864096ff791d0501c..e1fe3d7be531e3afe56a67cc2f3337e6c8639b2c 100644
--- a/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-3.yaml
+++ b/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-3.yaml
@@ -9,7 +9,7 @@ yeti-3:
   bios:
     release_date: 12/12/2017
     vendor: Dell Inc.
-    version: 1.2.21
+    version: 1.4.5
   chassis:
     manufacturer: Dell Inc.
     name: PowerEdge R940
@@ -23,7 +23,7 @@ yeti-3:
       management: true
     eth0:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       ip: 172.16.19.3
       mac: 24:6e:96:91:4c:90
@@ -34,7 +34,7 @@ yeti-3:
       vendor: Intel
     eth1:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       mac: 24:6e:96:91:4c:92
       management: false
@@ -43,7 +43,7 @@ yeti-3:
       vendor: Intel
     eth2:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       mac: 24:6e:96:91:4c:94
       management: false
@@ -52,7 +52,7 @@ yeti-3:
       vendor: Intel
     eth3:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       mac: 24:6e:96:91:4c:96
       management: false
@@ -81,28 +81,28 @@ yeti-3:
     version: Gold 6130
   storage_devices:
     sda:
-      by_id: "/dev/disk/by-id/wwn-0x6d09466030a3cb00223b92d7caa2ee25"
+      by_id: "/dev/disk/by-id/wwn-0x6d09466030a09c00223ab220cfc3b8e0"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:0:0"
       firmware_version: 5.0
       model: PERC H740P Adp
       size: 479559942144
       vendor: DELL
     sdb:
-      by_id: "/dev/disk/by-id/wwn-0x6d09466030a3cb00223b92d9ccfeedee"
+      by_id: "/dev/disk/by-id/wwn-0x6d09466030a09c0021fcc937c12e0d1b"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:1:0"
       firmware_version: 5.0
       model: PERC H740P Adp
       size: 1999844147200
       vendor: DELL
     sdc:
-      by_id: "/dev/disk/by-id/wwn-0x6d09466030a3cb00223b92dbd095b1ac"
+      by_id: "/dev/disk/by-id/wwn-0x6d09466030a09c0021fcc93ac4f0fd93"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:2:0"
       firmware_version: 5.0
       model: PERC H740P Adp
       size: 1999844147200
       vendor: DELL
     sdd:
-      by_id: "/dev/disk/by-id/wwn-0x6d09466030a3cb00223b92ded465c604"
+      by_id: "/dev/disk/by-id/wwn-0x6d09466030a09c0021fcc93dc8e0d879"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:3:0"
       firmware_version: 5.0
       model: PERC H740P Adp
diff --git a/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-4.yaml b/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-4.yaml
index e56cf842268af34fc5f90c7027cc6f68c55c726e..d80e7e848d4846607e7361996bfa26f8042a53fe 100644
--- a/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-4.yaml
+++ b/input/grid5000/sites/grenoble/clusters/yeti/nodes/yeti-4.yaml
@@ -9,7 +9,7 @@ yeti-4:
   bios:
     release_date: 12/12/2017
     vendor: Dell Inc.
-    version: 1.2.21
+    version: 1.4.5
   chassis:
     manufacturer: Dell Inc.
     name: PowerEdge R940
@@ -23,7 +23,7 @@ yeti-4:
       management: true
     eth0:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       ip: 172.16.19.4
       mac: 24:6e:96:91:1d:b0
@@ -34,7 +34,7 @@ yeti-4:
       vendor: Intel
     eth1:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       mac: 24:6e:96:91:1d:b2
       management: false
@@ -43,7 +43,7 @@ yeti-4:
       vendor: Intel
     eth2:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       mac: 24:6e:96:91:1d:b4
       management: false
@@ -52,7 +52,7 @@ yeti-4:
       vendor: Intel
     eth3:
       driver: i40e
-      firmware_version: 6.00 0x800034eb 18.3.6
+      firmware_version: 6.00 0x80003750 18.5.17
       interface: Ethernet
       mac: 24:6e:96:91:1d:b6
       management: false
@@ -83,28 +83,28 @@ yeti-4:
     sda:
       by_id: "/dev/disk/by-id/wwn-0x6d09466030bbb700223ab55ccfde5c8a"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:0:0"
-      firmware_version: 5.0
+      firmware_version: 5.03
       model: PERC H740P Adp
       size: 479559942144
       vendor: DELL
     sdb:
       by_id: "/dev/disk/by-id/wwn-0x6d09466030bbb70021fcbaecc8ec4a10"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:1:0"
-      firmware_version: 5.0
+      firmware_version: 5.03
       model: PERC H740P Adp
       size: 1999844147200
       vendor: DELL
     sdc:
       by_id: "/dev/disk/by-id/wwn-0x6d09466030bbb70021fcbaf0ce536e29"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:2:0"
-      firmware_version: 5.0
+      firmware_version: 5.03
       model: PERC H740P Adp
       size: 1999844147200
       vendor: DELL
     sdd:
       by_id: "/dev/disk/by-id/wwn-0x6d09466030bbb70021fcbaf2d230b931"
       by_path: "/dev/disk/by-path/pci-0000:18:00.0-scsi-0:2:3:0"
-      firmware_version: 5.0
+      firmware_version: 5.03
       model: PERC H740P Adp
       size: 1999844147200
       vendor: DELL