diff --git a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-1.json b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-1.json
index 85922a860866edac2008fba7049b93ee166e189e..b23aa21c2620385a5744f485c7fe28ca0b5f211f 100644
--- a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-1.json
+++ b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-1.json
@@ -17,7 +17,7 @@
     "name": "PowerEdge R640",
     "serial": "7D9D013"
   },
-  "exotic": false,
+  "exotic": true,
   "kavlan": {
     "eth0": {
       "kavlan-1": "192.168.194.1",
diff --git a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-2.json b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-2.json
index 590d7c686f6767d548ef8176bf7cc8d4511b949a..24372fe3ea1312ac6eb3e1ab533eb9e0d761eafa 100644
--- a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-2.json
+++ b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-2.json
@@ -17,7 +17,7 @@
     "name": "PowerEdge R640",
     "serial": "4D9D013"
   },
-  "exotic": false,
+  "exotic": true,
   "kavlan": {
     "eth0": {
       "kavlan-1": "192.168.194.2",
diff --git a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-3.json b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-3.json
index 1ffe4d61093018572fc93364239937513275d5e8..24c5022a0523c08c250c15ba5429ef65b8186a81 100644
--- a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-3.json
+++ b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-3.json
@@ -17,7 +17,7 @@
     "name": "PowerEdge R640",
     "serial": "5D9D013"
   },
-  "exotic": false,
+  "exotic": true,
   "kavlan": {
     "eth0": {
       "kavlan-1": "192.168.194.3",
diff --git a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json
index 585805c110390d6b529cde40a20c00d99221157c..299ff218973b2e0d3aa3b1f0dee17f5cbe7e22dd 100644
--- a/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json
+++ b/data/grid5000/sites/grenoble/clusters/troll/nodes/troll-4.json
@@ -17,7 +17,7 @@
     "name": "PowerEdge R640",
     "serial": "6D9D013"
   },
-  "exotic": false,
+  "exotic": true,
   "kavlan": {
     "eth0": {
       "kavlan-1": "192.168.194.4",
diff --git a/data/grid5000/sites/grenoble/clusters/troll/troll.json b/data/grid5000/sites/grenoble/clusters/troll/troll.json
index 3ce7c45460751dd753faef191d0a7ba168c8eb1a..784bec4f03f82633dd6b813f0a7f656d5aae6ce0 100644
--- a/data/grid5000/sites/grenoble/clusters/troll/troll.json
+++ b/data/grid5000/sites/grenoble/clusters/troll/troll.json
@@ -1,6 +1,6 @@
 {
   "created_at": "Mon, 23 Dec 2019 00:00:00 GMT",
-  "exotic": false,
+  "exotic": true,
   "kavlan": true,
   "metrics": [
     {
diff --git a/data/grid5000/sites/lyon/clusters/gemini/gemini.json b/data/grid5000/sites/lyon/clusters/gemini/gemini.json
index 1cfa14b9f94f0eab005cb4b2eeda286077b0a37d..f56ef9099846ad92aaef3f859066bf5e9ade9498 100644
--- a/data/grid5000/sites/lyon/clusters/gemini/gemini.json
+++ b/data/grid5000/sites/lyon/clusters/gemini/gemini.json
@@ -1,6 +1,6 @@
 {
   "created_at": "Sun, 01 Sep 2019 00:00:00 GMT",
-  "exotic": false,
+  "exotic": true,
   "kavlan": true,
   "metrics": [
     {
diff --git a/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-1.json b/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-1.json
index ddf2de4232d9761160cc2a88fa2208d4ee2a9c59..c28e3f2b64c6b6f389fa268fb4d09bbceea4f405 100644
--- a/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-1.json
+++ b/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-1.json
@@ -17,7 +17,7 @@
     "name": "DGX-1 with V100-32",
     "serial": "QTFCOU9050030"
   },
-  "exotic": false,
+  "exotic": true,
   "gpu_devices": {
     "nvidia0": {
       "cpu_affinity": 0,
diff --git a/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-2.json b/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-2.json
index 2a056bce3b359d88ee3ac5fa7454cb3fce2ae5c8..f6c028ef78dcd7191df61a2d13f8e10fca83d9cf 100644
--- a/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-2.json
+++ b/data/grid5000/sites/lyon/clusters/gemini/nodes/gemini-2.json
@@ -17,7 +17,7 @@
     "name": "DGX-1 with V100-32",
     "serial": "QTFCOU9050010"
   },
-  "exotic": false,
+  "exotic": true,
   "gpu_devices": {
     "nvidia0": {
       "cpu_affinity": 0,
diff --git a/input/grid5000/sites/grenoble/clusters/troll/troll.yaml b/input/grid5000/sites/grenoble/clusters/troll/troll.yaml
index ff0eaa47a3741690b7f349748199e552581e8efc..57032f426218cf011d9c8ba6bc5dc4b093acdf2e 100644
--- a/input/grid5000/sites/grenoble/clusters/troll/troll.yaml
+++ b/input/grid5000/sites/grenoble/clusters/troll/troll.yaml
@@ -1,6 +1,7 @@
 ---
 model: Dell PowerEdge R640
 created_at: 2019-12-23
+exotic: true
 kavlan: true
 queues:
   - admin
diff --git a/input/grid5000/sites/lyon/clusters/gemini/gemini.yaml b/input/grid5000/sites/lyon/clusters/gemini/gemini.yaml
index a850ee516474092a8a57c27522cfbcc74153a64e..382959fb38c1283a51fce0d465d1934ee8012a7e 100644
--- a/input/grid5000/sites/lyon/clusters/gemini/gemini.yaml
+++ b/input/grid5000/sites/lyon/clusters/gemini/gemini.yaml
@@ -1,6 +1,7 @@
 ---
 model: Nvidia DGX-1
 created_at: 2019-09-01
+exotic: true
 kavlan: true
 queues:
   - default