diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.json
index 815a6f45d87d689787dae6fee9dc75632e257a0d..be4220269d514c4ee17b11fb63144cafc3d884f9 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-1"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.json
index e295a3bf3550b3c7853248c2345cc815a7565148..2b9aa8735bf3638694c9a1991afe65c0cb96d693 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-10"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.json
index 3c81c45896548dd1031a58a00ce4f5e81356bc51..1e9d3d8316e254c97290bcdb7f3fa22cf7dc5db8 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-11"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.json
index e93396c0d5af6f1a3389d9bd3c087f7419e0604c..91cf997d21c9b71650d186fd23885fcdcf380c54 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-12"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.json
index 4e8bcd5e28e73a2dec88ec2cd992a616e5b214a3..9d24db461bcb53bfb5d283184c560035a4e77900 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-13"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.json
index 199506501f0e747a7197a58cf12c14c1258e25bd..cdd53f2ab477e5f3f1d0b7f83fdb4a2bb1551425 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-14"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.json
index 5b5fb0d241c223a7780b5dd17db6e9b111accee4..6578bbd683eca69205386e164ef592dd4e39fef0 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-15"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.json
index 6c0b28e2bbd8ee584d9b746ddfbb06adcebcb865..a488478de72096209ae8f894048df04489733f92 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-16"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.json
index 75ccc3b5bf1d2a094e131ba07e47435cd1ed44f2..d9cc0b2a8ccb605c9dab31caa517f79b02417d70 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-17"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.json
index 222369138222782ecb3f6eca58784ef4b2de20cf..a927445996ea8bca1dfa99ed6d692c3d80b3eea8 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-18"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.json
index 3e7296135bef0d4b3a03f8bcf31ecf9e7c0b72c0..59191442bbd9861fd89eda17ef1eb9555e0a9ab9 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-19"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.json
index fcf452213d690d6d3be371ebcfe5f35721374aca..774b1f8e15b3be26863347d16718a8d567c2ae72 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-2"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.json
index 759cf1f5da13b6359dd58c22f1c0161e21144e81..4934f72f4de0a1653ed93a68f42bb73825ae127d 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-20"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.json
index 638c8bf6d3bca6a729cc3a7401ed4633d8bcc647..70885ec64599841ccbd60e9209e94a775d3bae12 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-21"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.json
index d9eda872c54ddc3ecdeb99bfb35907548d9283c2..48329e691a4642bfc32d2c181f7c2d810e00811e 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-22"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.json
index e3af4362590e1bea99b4dd1a00df3948ebdea3b4..21cea757d628c642abd15cf49ab4cf9df527b3d9 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-23"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.json
index 8a509f4b1397ac2dac29e6621cd5c1d6a5c24ebf..5736864a88522470d0d410be5050baa8f793a15c 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-24"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.json
index b3767fb8b3f7c2ba44cc47adc2bc4cd525c5159a..5d4d382993172a812f87c0f93c4ecdbe8d009fb7 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-25"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.json
index d6c3a29c074be0b33a55002feb23576dc09a0a9b..05da425fecd4807c3c79ff01b34f0ad25d0150af 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-26"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.json
index 62bdd31e7b9b1d180667c694295e25bfe74acf16..83710ee0ca332e9eb973126756104c088f32bdcf 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-27"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.json
index 50da34b292b70d9cd0f091ecdd03a64309f5fa26..f61cae2c50b1462dc0ad8f8206325f38d2315794 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-28"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.json
index 567e875e495a5ca6e8d478ea1310797e1ec183f9..c39b6188104cc72275727f89d41553323a0c3984 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-29"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.json
index a6ac62c1739e9b5b323961c29c35b969474b6d70..a698f87ca61987146b2a4e6252e5ef2cbce4b571 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-3"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.json
index e67b74bc83a5e97d2202d3f9ad3b4a99b54487ec..b660516413c10eee75e92a62eed5160aaa412693 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-30"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.json
index ce6c6ac9f6cc3ad08f67ba0051619ca417e412c7..cb1cd4dd3c1f1adb3d0c0276d811dd873120f0eb 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-31"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.json
index 21170aee24ec84abc94d5154b3e79cc282dc5697..7d179f44db8bb6ccd26de57e44819857347c8466 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-32"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.json
index e787b24d90b155cf88e054b579e6b22278c8bf23..5e7827466de502bd5225ec38735977620a327673 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-33"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.json
index 15515d37adf7d218196eebb2161af8d167533020..d41ab9c0744fd68db2fa6540521170690cb385a6 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-34"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.json
index 83ea281522a457497d54660a316b8868bbd7519d..db5fe2a2c437b395deb97414a2ecaf56767fb020 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-35"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.json
index 730cf550dc8a359bc338c9927b3d0783b54f043c..54bdce2af499bf214c7b53dcff5249a450b33fdb 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-36"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.json
index 503bdc6997edfbefd29b5fe5ea45cfacca505fed..63f6cfe5c2afdb876698c78ba17ba8b6cd1cbe7a 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-37"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.json
index 39260c19c81aa10794718ccdc818e7377beeef7d..fc9daaae633811147f8a96472cd142120452e0ad 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-38"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.json
index 913a47c50e0a5cb5625fad29150df06b9200da70..bd45639db0f9ed7481cc8920755b19df3465aeef 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-39"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.json
index 79655e2f0ec9d30821be9fd10cf0ef4978dba8fd..f2e10356c3356f9c088f1fb2840d2893dc4503e5 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-4"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.json
index 8a7e3584e1e05e2a152b6ab1933399428917b7be..789c85aa7fa84ddd6e47ddae7b891b9606193a3f 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-40"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.json
index 23ede9f909a613675edec88897a172beaba84437..ea001f80dfc89a1b55b7620c68b8b929d272cef7 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-41"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.json
index dfc495038e28ea661f5b60cd67e6881c2ba1d317..74de776864b48adc7245b1d3e959d719be12fa64 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-42"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.json
index efcf5bc1c77aef481d2ffd3fa5cb1da52b63f009..57da277f0c2b4245ab73399d89021f9ca72332ea 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-43"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.json
index e112ea6e0111bfac628034925d826da8e0da8921..449aceb116e94f8ff9d669cbbdc808c14f05115a 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-44"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.json
index 20df16cb8b8649ff3337b09678f0786127a611da..cf5630f77be33044cab6cb3d2af7335a822e7c0c 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-45"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.json
index fa4a296ae01e510d5e871f93583b912f65a4fd93..5cc1a1647cfdd59e501f81d68465258aeaa31445 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-46"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.json
index f9e17de1672e5704bf108de16c466ce50a0f7c1e..d2790b423ef4e8990d428a7db0d36cbf63d93804 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-47"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.json
index c4eadb7758119dff60db9ff2866b0654a1cbb18d..40e8ec2f525e90e67dd73741e5e7bafe8bec49ba 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-48"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.json
index 88d91b795b8acd50cb852e489fbe27d9ded20e06..a6e0d04e8f97ba1bbf5c711f6384fc8c660a177e 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-5"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.json
index 02d1bcb39670d24b9354bd0dc63ceb3d47f0d4c0..4ef902e9a1f916ed4ea88d5714ab23ee79c47d54 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-6"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.json
index cf50e6f4c1e51afff5bacdf2b8ab60cb7bcf4e10..31c3d3f0ca3b1e247d6c1b00125afcfef47a855b 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-7"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.json
index 33aa9c8483b040daeb8e5049a6109e68f6f8100c..b670931ce3a07c462e642c083e61dac21c13142d 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-8"
diff --git a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.json b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.json
index 2924c7836f6e0d3b0a832e879c45e59210f95084..94ebde9666ac7210405302b83e4e43d898936263 100644
--- a/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.json
+++ b/data/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.json
@@ -173,7 +173,7 @@
       "admin",
       "testing"
     ],
-    "virtual": false
+    "virtual": "ivt"
   },
   "type": "node",
   "uid": "grcinq-9"
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.yaml
index 6991df2f463b198ffdeca2a5533fb00b9d8f1795..c5b26a4df6dbac18f52420024f8ac15154b95cb3 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-1.yaml
@@ -80,4 +80,4 @@ grcinq-1:
       size: 1000204886016
       vendor: Seagate
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.yaml
index 1ce11edfc67beb2537ea4f596eebb3ba509088c9..811f79bb3f47dbc5c3e39dfcc0c56325e716df9f 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-10.yaml
@@ -80,4 +80,4 @@ grcinq-10:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.yaml
index 349486846a1e3f1c0c00133f70e46227fb4513e8..cc78dd36c226fb4c26d3e8ac06846d8b157827bd 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-11.yaml
@@ -80,4 +80,4 @@ grcinq-11:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.yaml
index cd7ebc4d6b94b12edef7b9ad2a486e35ade83814..7b4789edcba6d876ddeb2ca2d4a8f2b0051ed6ba 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-12.yaml
@@ -80,4 +80,4 @@ grcinq-12:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.yaml
index ed69782f04192e6ff1e0207ff9408074b040f9ad..a0ef700ccd1e51f0b600b664eeb5da531000db81 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-13.yaml
@@ -80,4 +80,4 @@ grcinq-13:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.yaml
index 2d96725424e16e1622462d7200697fa9f77c3046..da06544a798cf4ae5892b1668b3583ddfb7f1b88 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-14.yaml
@@ -80,4 +80,4 @@ grcinq-14:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.yaml
index 36b22f9faef34758cdf68d87ed142316b8a1b920..5d24de1faa95565df8d0d4c7e3da9bea263ba699 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-15.yaml
@@ -80,4 +80,4 @@ grcinq-15:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.yaml
index 3c1867b77c38489a15299f54744f3bf21dbf5d2c..2b0fd51a00856dc8db0c6fdd31092d5e22c94b56 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-16.yaml
@@ -80,4 +80,4 @@ grcinq-16:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.yaml
index 88b96f0d98a636658a4587ea1871365c85fbd7de..2f413545ee12a8ad5f5b9d74f30ba0151802e504 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-17.yaml
@@ -80,4 +80,4 @@ grcinq-17:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.yaml
index 6560a5cc48e264506be510b41d7a62c30a90edeb..6fe5823440e13d951ce38c35e821b5541bd92374 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-18.yaml
@@ -80,4 +80,4 @@ grcinq-18:
       size: 1000204886016
       vendor: Seagate
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.yaml
index e60858ac2c3ca8341bcd870c7b19a8f2dc4ec417..36b6a630ea69257458c87e5afa7bae0743ade8fb 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-19.yaml
@@ -80,4 +80,4 @@ grcinq-19:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.yaml
index d48a5f95de90113e6becf240040b3d0ced9e1b0c..6576ce5dc3eb858ea61540a654c9638caab55d80 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-2.yaml
@@ -80,4 +80,4 @@ grcinq-2:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.yaml
index 63e0c2808c1fab296126c4c4ff1569083e9d3efd..807ea3fb82ddb2f5d1b9275983bbc94b4da14461 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-20.yaml
@@ -80,4 +80,4 @@ grcinq-20:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.yaml
index 226ee2c847526172258aab83033a99b28e7d6e56..da84930c1479ec0b6a72b146bab03586744a53a2 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-21.yaml
@@ -80,4 +80,4 @@ grcinq-21:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.yaml
index 0df25a88ccb882586005d0ed889fca1b4cef6da4..b2bf2fc0012179e3083d2defb1dccc159a7a4f90 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-22.yaml
@@ -80,4 +80,4 @@ grcinq-22:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.yaml
index ee25a2151040d7b45c9993287e8254b18ef9d210..565fde366a2201be56db9fab4d007c29973000ed 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-23.yaml
@@ -80,4 +80,4 @@ grcinq-23:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.yaml
index f64612dc225d783aa11822f3ec60af8876362b37..8db4ef7ff255dbc3817e3c51a8114a5497cd0195 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-24.yaml
@@ -80,4 +80,4 @@ grcinq-24:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.yaml
index f2095e97d76f91b6dd80cd1aabeb7923335f774d..b29ba8eacbc43ad290ddc38ad0d72b9fbbafc99c 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-25.yaml
@@ -80,4 +80,4 @@ grcinq-25:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.yaml
index 1fbc81beec8c225a26557a372137f6fbef0c8e13..4d50529714f4361bb720d4931e9c3697631825c9 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-26.yaml
@@ -80,4 +80,4 @@ grcinq-26:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.yaml
index abceb5d5d9b5ee1f89e3e6501cd8f98990ad2422..22db12be669ec432d8440db28bd3f356fd321788 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-27.yaml
@@ -80,4 +80,4 @@ grcinq-27:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.yaml
index bca40d200c621994d27bcba61cccae78ecc9b3b7..d9de106ff138636c830aa8b70aff34b78f7e7ca8 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-28.yaml
@@ -80,4 +80,4 @@ grcinq-28:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.yaml
index d5db194c082494076b04b7efb1b9f08995e610f2..158a6da96ac06ba8f74a8d0687f8facdb22a2ca2 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-29.yaml
@@ -80,4 +80,4 @@ grcinq-29:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.yaml
index 61148016a0f9a3e2e36fe1d39aa0afd88ff05c09..61ff2e681fdadf60009c827574233c7797bff4a0 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-3.yaml
@@ -80,4 +80,4 @@ grcinq-3:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.yaml
index 84f5d76c18bd8032d7a85f0c179fb9b9f087e427..e3f6c22e654fe553f3ddf3cd6a9a938a706c73a4 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-30.yaml
@@ -80,4 +80,4 @@ grcinq-30:
       size: 1000204886016
       vendor: Seagate
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.yaml
index 2f3e75d7cd97e1dc52744ff96fc4dcac102c84f8..67a436fc45a311288ede6a46ab860539787187ab 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-31.yaml
@@ -80,4 +80,4 @@ grcinq-31:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.yaml
index c989e2ad0cfc57663dcbb80e8976426b4a156c5e..b1621add1ffffdb2d4e464f774b63c64e79821ba 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-32.yaml
@@ -80,4 +80,4 @@ grcinq-32:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.yaml
index 6e04005b65fd2aca42d8051573152ba02523ac78..e0f293b0c5b203df65915e6a37a9a5abe34a00b7 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-33.yaml
@@ -80,4 +80,4 @@ grcinq-33:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.yaml
index 11d0338bc0edf0fc6b55b31232c94063bcb2ca16..2f53f471d27d640a6d4c24a0a7eed44d9a69ed3d 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-34.yaml
@@ -80,4 +80,4 @@ grcinq-34:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.yaml
index fd7ecf0a143663752a1d964eb625cdfa14f954c6..06bfe23fc9afaafb5648249ea64bc1bad69220d8 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-35.yaml
@@ -80,4 +80,4 @@ grcinq-35:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.yaml
index 3b7b842a44622bdf6bbb1e1f3e7ea5ad395a234a..13af5c7540dbebecc590a5637190fb997cfa27ec 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-36.yaml
@@ -80,4 +80,4 @@ grcinq-36:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.yaml
index 005524e6417c27fa6471c542ed78b7bcec6c4a6e..7f2b23b05dbfe4e7538da76a34691226cbb42099 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-37.yaml
@@ -80,4 +80,4 @@ grcinq-37:
       size: 1000204886016
       vendor: Seagate
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.yaml
index 241c24628668fd96d0e61805b919b647196b59ac..60e2b5b5ed52f4b664c3a8e9193f9975307a24f2 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-38.yaml
@@ -80,4 +80,4 @@ grcinq-38:
       size: 1000204886016
       vendor: Seagate
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.yaml
index 2dfc4c35fef21ff31d40878a4c0576d112a4e398..96a58762ff5715d12d503b0b4e5e0ab3338148bb 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-39.yaml
@@ -80,4 +80,4 @@ grcinq-39:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.yaml
index 0cd6e292fb3e10eed2b3b241f513a2ea2ffd3b60..acb4b71a4d13963a40c790e63862cc022668ce84 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-4.yaml
@@ -80,4 +80,4 @@ grcinq-4:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.yaml
index a9d3730206f81c7ca31fd63007538e41bebab1e0..6f8d332b4169c0aae95d906e22bd0de83436dcf9 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-40.yaml
@@ -80,4 +80,4 @@ grcinq-40:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.yaml
index 9f8cacb8b4a3fcba5463fa2583966c5621d2cd9f..e25ddbe4e6d93f9560ddea0ffc85fb5286249cad 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-41.yaml
@@ -80,4 +80,4 @@ grcinq-41:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.yaml
index 8cbc50704de15f986fbff30625d26b4b0df81f9d..5ce4abce7d01ec5be690e6e1a2dcb699463ddda4 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-42.yaml
@@ -80,4 +80,4 @@ grcinq-42:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.yaml
index 405d5d1b7da2fe82f5f7149b5667d06221367836..119797a6cdcbdf28aa4278a644f3b54a4f7f1896 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-43.yaml
@@ -80,4 +80,4 @@ grcinq-43:
       size: 1000204886016
       vendor: Seagate
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.yaml
index 05c596d48bb43b0447afbf713dd0e7371cfb5161..191c892939a2e85bc32710f7ef5eef39e56087ee 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-44.yaml
@@ -80,4 +80,4 @@ grcinq-44:
       size: 1000204886016
       vendor: Seagate
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.yaml
index b3f364673cdbcc9904e1baeb00e2cfc25ce2fc26..f5018a50be995e84e58caa49c66e8b81371cc7b8 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-45.yaml
@@ -80,4 +80,4 @@ grcinq-45:
       size: 1000204886016
       vendor: Seagate
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.yaml
index c4ccf0ad9af4cb079bbdc4a9ece6b192daa98f98..c6e965aab46bef242259ee5e0b3923d2534654b3 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-46.yaml
@@ -80,4 +80,4 @@ grcinq-46:
       size: 1000204886016
       vendor: Seagate
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.yaml
index f8c2ea51fd2711a951f400b7821bdadfc208b27e..5a30008df31e0b0e080ad945e852c4dea8fe9778 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-47.yaml
@@ -80,4 +80,4 @@ grcinq-47:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.yaml
index 78b3f4ddbcb0c85bb7be3eb74f2901e6cdc47935..ee4e7cccf1249e2d022c1b108684f36dd1ef4679 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-48.yaml
@@ -80,4 +80,4 @@ grcinq-48:
       size: 1000204886016
       vendor: Seagate
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.yaml
index 206d475a40052169451e0f2277fe4bbf60dd166e..aa9e508f9c1dfea5507d9981e1614eadbec934e4 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-5.yaml
@@ -80,4 +80,4 @@ grcinq-5:
       size: 1000204886016
       vendor: Seagate
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.yaml
index 4f4f7950543b1e028a29da1cd6b0b7bfbaebce2f..00691de2f856ba0c69580239812bbc7bce712b44 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-6.yaml
@@ -80,4 +80,4 @@ grcinq-6:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.yaml
index 0e8349bf2140588abbd9ee69cb55dfe7d966d003..3dc608419ce9b62e6ff910e58e0d1e16d15b302c 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-7.yaml
@@ -80,4 +80,4 @@ grcinq-7:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.yaml
index 38b286e40e8840063c1ff418f2c0a6683f1d1976..6b4dcfe2f9852306b544b8249072b75a755c60f3 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-8.yaml
@@ -80,4 +80,4 @@ grcinq-8:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt
diff --git a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.yaml b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.yaml
index 22554c7dca3e7b6d1709031c5fe2b116cf364f18..d710c731436e17b9c250d67caca0597989d9535b 100644
--- a/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.yaml
+++ b/input/grid5000/sites/nancy/clusters/grcinq/nodes/grcinq-9.yaml
@@ -80,4 +80,4 @@ grcinq-9:
       size: 1000204886016
       vendor: Western Digital
   supported_job_types:
-    virtual: false
+    virtual: ivt