diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.json
index a4ea7661dffedd72d2c1401882af249f86e36f1e..4e7a34ed0b62e06e7f4069c423fc47f9048e2c60 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.json
@@ -120,6 +120,20 @@
       "name": "eno4",
       "vendor": "Intel"
     },
+    {
+      "device": "ib0",
+      "driver": "hfi1",
+      "firmware_version": 1.24,
+      "guid": "0x001175010171b09f",
+      "interface": "Omni-Path",
+      "kavlan": false,
+      "mac": "80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:71:b0:9f",
+      "management": false,
+      "model": "Omni-Path HFI Silicon 100 Series [discrete]",
+      "name": "ib0",
+      "rate": 100000000000,
+      "vendor": "Intel"
+    },
     {
       "bridged": false,
       "device": "bmc",
@@ -137,7 +151,7 @@
   "operating_system": {
     "cstate_driver": "intel_idle",
     "cstate_governor": "menu",
-    "cstate_max_id": 2,
+    "cstate_max_id": null,
     "ht_enabled": false,
     "pstate_driver": "intel_pstate",
     "pstate_governor": "performance",
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.json
index 33187a03d9ed585110c22d4ed0b53feed07bac6f..931d58dfa2d187ad1afa0bdb455e1da6219a6030 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.json
@@ -120,6 +120,20 @@
       "name": "eno4",
       "vendor": "Intel"
     },
+    {
+      "device": "ib0",
+      "driver": "hfi1",
+      "firmware_version": 1.24,
+      "guid": "0x001175010171b058",
+      "interface": "Omni-Path",
+      "kavlan": false,
+      "mac": "80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:71:b0:58",
+      "management": false,
+      "model": "Omni-Path HFI Silicon 100 Series [discrete]",
+      "name": "ib0",
+      "rate": 100000000000,
+      "vendor": "Intel"
+    },
     {
       "bridged": false,
       "device": "bmc",
@@ -137,7 +151,7 @@
   "operating_system": {
     "cstate_driver": "intel_idle",
     "cstate_governor": "menu",
-    "cstate_max_id": 2,
+    "cstate_max_id": null,
     "ht_enabled": false,
     "pstate_driver": "intel_pstate",
     "pstate_governor": "performance",
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.json
index 43f2356517fbdd3b08b05ff387ba1cb99d8cc63c..5f0233c2377d62811bec183eea8410ebb25c9afb 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.json
@@ -120,6 +120,20 @@
       "name": "eno4",
       "vendor": "Intel"
     },
+    {
+      "device": "ib0",
+      "driver": "hfi1",
+      "firmware_version": 1.24,
+      "guid": "0x001175010171addf",
+      "interface": "Omni-Path",
+      "kavlan": false,
+      "mac": "80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:71:ad:df",
+      "management": false,
+      "model": "Omni-Path HFI Silicon 100 Series [discrete]",
+      "name": "ib0",
+      "rate": 100000000000,
+      "vendor": "Intel"
+    },
     {
       "bridged": false,
       "device": "bmc",
@@ -137,7 +151,7 @@
   "operating_system": {
     "cstate_driver": "intel_idle",
     "cstate_governor": "menu",
-    "cstate_max_id": 2,
+    "cstate_max_id": null,
     "ht_enabled": false,
     "pstate_driver": "intel_pstate",
     "pstate_governor": "performance",
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.json
index bba830065433220701a973a2e407227cc0709a75..4f8e7f1f0365a5eae3642c013361c228a614e17b 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.json
@@ -120,6 +120,20 @@
       "name": "eno4",
       "vendor": "Intel"
     },
+    {
+      "device": "ib0",
+      "driver": "hfi1",
+      "firmware_version": 1.24,
+      "guid": "0x001175010171aec9",
+      "interface": "Omni-Path",
+      "kavlan": false,
+      "mac": "80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:71:ae:c9",
+      "management": false,
+      "model": "Omni-Path HFI Silicon 100 Series [discrete]",
+      "name": "ib0",
+      "rate": 100000000000,
+      "vendor": "Intel"
+    },
     {
       "bridged": false,
       "device": "bmc",
@@ -137,7 +151,7 @@
   "operating_system": {
     "cstate_driver": "intel_idle",
     "cstate_governor": "menu",
-    "cstate_max_id": 2,
+    "cstate_max_id": null,
     "ht_enabled": false,
     "pstate_driver": "intel_pstate",
     "pstate_governor": "performance",
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.json
index ad40148570684def4aa5172ee74f910898a27e56..db8f41c86a92db4f4fffe418852d6838f154e7da 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.json
@@ -120,6 +120,20 @@
       "name": "eno4",
       "vendor": "Intel"
     },
+    {
+      "device": "ib0",
+      "driver": "hfi1",
+      "firmware_version": 1.24,
+      "guid": "0x001175010176fc6a",
+      "interface": "Omni-Path",
+      "kavlan": false,
+      "mac": "80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:76:fc:6a",
+      "management": false,
+      "model": "Omni-Path HFI Silicon 100 Series [discrete]",
+      "name": "ib0",
+      "rate": 100000000000,
+      "vendor": "Intel"
+    },
     {
       "bridged": false,
       "device": "bmc",
@@ -137,7 +151,7 @@
   "operating_system": {
     "cstate_driver": "intel_idle",
     "cstate_governor": "menu",
-    "cstate_max_id": 2,
+    "cstate_max_id": null,
     "ht_enabled": false,
     "pstate_driver": "intel_pstate",
     "pstate_governor": "performance",
diff --git a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.json b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.json
index 60f11e0089e2dfec99c72b14e7c7295393843fb6..370171214353c71fe20651a34e40378c70bcb1f1 100644
--- a/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.json
+++ b/data/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.json
@@ -120,6 +120,20 @@
       "name": "eno4",
       "vendor": "Intel"
     },
+    {
+      "device": "ib0",
+      "driver": "hfi1",
+      "firmware_version": 1.24,
+      "guid": "0x001175010176fc87",
+      "interface": "Omni-Path",
+      "kavlan": false,
+      "mac": "80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:76:fc:87",
+      "management": false,
+      "model": "Omni-Path HFI Silicon 100 Series [discrete]",
+      "name": "ib0",
+      "rate": 100000000000,
+      "vendor": "Intel"
+    },
     {
       "bridged": false,
       "device": "bmc",
@@ -137,7 +151,7 @@
   "operating_system": {
     "cstate_driver": "intel_idle",
     "cstate_governor": "menu",
-    "cstate_max_id": 2,
+    "cstate_max_id": null,
     "ht_enabled": false,
     "pstate_driver": "intel_pstate",
     "pstate_governor": "performance",
diff --git a/grid5000-all.json b/grid5000-all.json
index 267f9e9ad017bf59ccf97ceda6686b3039c96734..387f8fac12d529ac91c26dfd8dc147ac5985e30f 100644
--- a/grid5000-all.json
+++ b/grid5000-all.json
@@ -126749,6 +126749,20 @@
                   "name": "eno4",
                   "vendor": "Intel"
                 },
+                {
+                  "device": "ib0",
+                  "driver": "hfi1",
+                  "firmware_version": 1.24,
+                  "guid": "0x001175010171b09f",
+                  "interface": "Omni-Path",
+                  "kavlan": false,
+                  "mac": "80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:71:b0:9f",
+                  "management": false,
+                  "model": "Omni-Path HFI Silicon 100 Series [discrete]",
+                  "name": "ib0",
+                  "rate": 100000000000,
+                  "vendor": "Intel"
+                },
                 {
                   "bridged": false,
                   "device": "bmc",
@@ -126766,7 +126780,7 @@
               "operating_system": {
                 "cstate_driver": "intel_idle",
                 "cstate_governor": "menu",
-                "cstate_max_id": 2,
+                "cstate_max_id": null,
                 "ht_enabled": false,
                 "pstate_driver": "intel_pstate",
                 "pstate_governor": "performance",
@@ -126960,6 +126974,20 @@
                   "name": "eno4",
                   "vendor": "Intel"
                 },
+                {
+                  "device": "ib0",
+                  "driver": "hfi1",
+                  "firmware_version": 1.24,
+                  "guid": "0x001175010171b058",
+                  "interface": "Omni-Path",
+                  "kavlan": false,
+                  "mac": "80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:71:b0:58",
+                  "management": false,
+                  "model": "Omni-Path HFI Silicon 100 Series [discrete]",
+                  "name": "ib0",
+                  "rate": 100000000000,
+                  "vendor": "Intel"
+                },
                 {
                   "bridged": false,
                   "device": "bmc",
@@ -126977,7 +127005,7 @@
               "operating_system": {
                 "cstate_driver": "intel_idle",
                 "cstate_governor": "menu",
-                "cstate_max_id": 2,
+                "cstate_max_id": null,
                 "ht_enabled": false,
                 "pstate_driver": "intel_pstate",
                 "pstate_governor": "performance",
@@ -127171,6 +127199,20 @@
                   "name": "eno4",
                   "vendor": "Intel"
                 },
+                {
+                  "device": "ib0",
+                  "driver": "hfi1",
+                  "firmware_version": 1.24,
+                  "guid": "0x001175010171addf",
+                  "interface": "Omni-Path",
+                  "kavlan": false,
+                  "mac": "80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:71:ad:df",
+                  "management": false,
+                  "model": "Omni-Path HFI Silicon 100 Series [discrete]",
+                  "name": "ib0",
+                  "rate": 100000000000,
+                  "vendor": "Intel"
+                },
                 {
                   "bridged": false,
                   "device": "bmc",
@@ -127188,7 +127230,7 @@
               "operating_system": {
                 "cstate_driver": "intel_idle",
                 "cstate_governor": "menu",
-                "cstate_max_id": 2,
+                "cstate_max_id": null,
                 "ht_enabled": false,
                 "pstate_driver": "intel_pstate",
                 "pstate_governor": "performance",
@@ -127382,6 +127424,20 @@
                   "name": "eno4",
                   "vendor": "Intel"
                 },
+                {
+                  "device": "ib0",
+                  "driver": "hfi1",
+                  "firmware_version": 1.24,
+                  "guid": "0x001175010171aec9",
+                  "interface": "Omni-Path",
+                  "kavlan": false,
+                  "mac": "80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:71:ae:c9",
+                  "management": false,
+                  "model": "Omni-Path HFI Silicon 100 Series [discrete]",
+                  "name": "ib0",
+                  "rate": 100000000000,
+                  "vendor": "Intel"
+                },
                 {
                   "bridged": false,
                   "device": "bmc",
@@ -127399,7 +127455,7 @@
               "operating_system": {
                 "cstate_driver": "intel_idle",
                 "cstate_governor": "menu",
-                "cstate_max_id": 2,
+                "cstate_max_id": null,
                 "ht_enabled": false,
                 "pstate_driver": "intel_pstate",
                 "pstate_governor": "performance",
@@ -127593,6 +127649,20 @@
                   "name": "eno4",
                   "vendor": "Intel"
                 },
+                {
+                  "device": "ib0",
+                  "driver": "hfi1",
+                  "firmware_version": 1.24,
+                  "guid": "0x001175010176fc6a",
+                  "interface": "Omni-Path",
+                  "kavlan": false,
+                  "mac": "80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:76:fc:6a",
+                  "management": false,
+                  "model": "Omni-Path HFI Silicon 100 Series [discrete]",
+                  "name": "ib0",
+                  "rate": 100000000000,
+                  "vendor": "Intel"
+                },
                 {
                   "bridged": false,
                   "device": "bmc",
@@ -127610,7 +127680,7 @@
               "operating_system": {
                 "cstate_driver": "intel_idle",
                 "cstate_governor": "menu",
-                "cstate_max_id": 2,
+                "cstate_max_id": null,
                 "ht_enabled": false,
                 "pstate_driver": "intel_pstate",
                 "pstate_governor": "performance",
@@ -127804,6 +127874,20 @@
                   "name": "eno4",
                   "vendor": "Intel"
                 },
+                {
+                  "device": "ib0",
+                  "driver": "hfi1",
+                  "firmware_version": 1.24,
+                  "guid": "0x001175010176fc87",
+                  "interface": "Omni-Path",
+                  "kavlan": false,
+                  "mac": "80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:76:fc:87",
+                  "management": false,
+                  "model": "Omni-Path HFI Silicon 100 Series [discrete]",
+                  "name": "ib0",
+                  "rate": 100000000000,
+                  "vendor": "Intel"
+                },
                 {
                   "bridged": false,
                   "device": "bmc",
@@ -127821,7 +127905,7 @@
               "operating_system": {
                 "cstate_driver": "intel_idle",
                 "cstate_governor": "menu",
-                "cstate_max_id": 2,
+                "cstate_max_id": null,
                 "ht_enabled": false,
                 "pstate_driver": "intel_pstate",
                 "pstate_governor": "performance",
diff --git a/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.yaml b/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.yaml
index 9c90eb3f57ee795f0f6ea6b1e7db009d09604ff0..6406ffd8c9d35fef4b793ba9299e189857604f46 100644
--- a/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.yaml
+++ b/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-1.yaml
@@ -59,9 +59,21 @@ grimani-1:
       model: I350 Gigabit Network Connection
       name: eno4
       vendor: Intel
+    ib0:
+      driver: hfi1
+      firmware_version: 1.24
+      guid: '0x001175010171b09f'
+      interface: Omni-Path
+      mac: 80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:71:b0:9f
+      management: false
+      model: Omni-Path HFI Silicon 100 Series [discrete]
+      name: ib0
+      rate: 100000000000
+      vendor: Intel
   operating_system:
     cstate_driver: intel_idle
     cstate_governor: menu
+    cstate_max_id: 
     ht_enabled: false
     pstate_driver: intel_pstate
     pstate_governor: performance
diff --git a/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.yaml b/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.yaml
index e341c0f17325f221002d967a64dc445dce9028d8..6d0b4e5cc17ceda90e2e045208de8e7bdfa385bf 100644
--- a/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.yaml
+++ b/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-2.yaml
@@ -59,9 +59,21 @@ grimani-2:
       model: I350 Gigabit Network Connection
       name: eno4
       vendor: Intel
+    ib0:
+      driver: hfi1
+      firmware_version: 1.24
+      guid: '0x001175010171b058'
+      interface: Omni-Path
+      mac: 80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:71:b0:58
+      management: false
+      model: Omni-Path HFI Silicon 100 Series [discrete]
+      name: ib0
+      rate: 100000000000
+      vendor: Intel
   operating_system:
     cstate_driver: intel_idle
     cstate_governor: menu
+    cstate_max_id: 
     ht_enabled: false
     pstate_driver: intel_pstate
     pstate_governor: performance
diff --git a/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.yaml b/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.yaml
index 92856055fdcccb2cd86c27190ba204d924f32961..bc3bfb8b5fe66fcfd07e8c83d5861ff7ed6b702a 100644
--- a/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.yaml
+++ b/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-3.yaml
@@ -59,9 +59,21 @@ grimani-3:
       model: I350 Gigabit Network Connection
       name: eno4
       vendor: Intel
+    ib0:
+      driver: hfi1
+      firmware_version: 1.24
+      guid: '0x001175010171addf'
+      interface: Omni-Path
+      mac: 80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:71:ad:df
+      management: false
+      model: Omni-Path HFI Silicon 100 Series [discrete]
+      name: ib0
+      rate: 100000000000
+      vendor: Intel
   operating_system:
     cstate_driver: intel_idle
     cstate_governor: menu
+    cstate_max_id: 
     ht_enabled: false
     pstate_driver: intel_pstate
     pstate_governor: performance
diff --git a/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.yaml b/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.yaml
index 1b4a5b96876a9deba9802be231c1f021bef5102f..8ae891531328f44fd70c83c84028d8ad8d825a6d 100644
--- a/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.yaml
+++ b/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-4.yaml
@@ -59,9 +59,21 @@ grimani-4:
       model: I350 Gigabit Network Connection
       name: eno4
       vendor: Intel
+    ib0:
+      driver: hfi1
+      firmware_version: 1.24
+      guid: '0x001175010171aec9'
+      interface: Omni-Path
+      mac: 80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:71:ae:c9
+      management: false
+      model: Omni-Path HFI Silicon 100 Series [discrete]
+      name: ib0
+      rate: 100000000000
+      vendor: Intel
   operating_system:
     cstate_driver: intel_idle
     cstate_governor: menu
+    cstate_max_id: 
     ht_enabled: false
     pstate_driver: intel_pstate
     pstate_governor: performance
diff --git a/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.yaml b/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.yaml
index cad5db2df35eef0bac6a4f5b2dd0581e0d931cb2..c9192c71bb9bbef477bbb4fddf58ad7c02861e1f 100644
--- a/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.yaml
+++ b/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-5.yaml
@@ -59,9 +59,21 @@ grimani-5:
       model: I350 Gigabit Network Connection
       name: eno4
       vendor: Intel
+    ib0:
+      driver: hfi1
+      firmware_version: 1.24
+      guid: '0x001175010176fc6a'
+      interface: Omni-Path
+      mac: 80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:76:fc:6a
+      management: false
+      model: Omni-Path HFI Silicon 100 Series [discrete]
+      name: ib0
+      rate: 100000000000
+      vendor: Intel
   operating_system:
     cstate_driver: intel_idle
     cstate_governor: menu
+    cstate_max_id: 
     ht_enabled: false
     pstate_driver: intel_pstate
     pstate_governor: performance
diff --git a/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.yaml b/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.yaml
index 9687776582e529a0164622870359285628177bc8..d367602ac8a6754f9913e3816ebc404ae87ce52e 100644
--- a/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.yaml
+++ b/input/grid5000/sites/nancy/clusters/grimani/nodes/grimani-6.yaml
@@ -59,9 +59,21 @@ grimani-6:
       model: I350 Gigabit Network Connection
       name: eno4
       vendor: Intel
+    ib0:
+      driver: hfi1
+      firmware_version: 1.24
+      guid: '0x001175010176fc87'
+      interface: Omni-Path
+      mac: 80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:76:fc:87
+      management: false
+      model: Omni-Path HFI Silicon 100 Series [discrete]
+      name: ib0
+      rate: 100000000000
+      vendor: Intel
   operating_system:
     cstate_driver: intel_idle
     cstate_governor: menu
+    cstate_max_id: 
     ht_enabled: false
     pstate_driver: intel_pstate
     pstate_governor: performance