diff --git a/data/grid5000/accesses/refrepo.json b/data/grid5000/accesses/refrepo.json
index cdef59ee6864b98ea2b88918dc765c2a9b46556b..842962c6fe42add2968f8a1646196c3b70e081de 100644
--- a/data/grid5000/accesses/refrepo.json
+++ b/data/grid5000/accesses/refrepo.json
@@ -5194,6 +5194,123 @@
           ],
           "uid": "hercule"
         },
+        "hydra": {
+          "nodes": {
+            "hydra-1": {
+              "architecture": {
+                "cpu_core_numbering": "contiguous",
+                "nb_cores": 72,
+                "nb_procs": 1,
+                "nb_threads": 72,
+                "platform_type": "aarch64"
+              },
+              "nodeset": "hydra",
+              "processor": {
+                "cache_l1": null,
+                "cache_l1d": 65536,
+                "cache_l1i": 65536,
+                "cache_l2": 1048576,
+                "cache_l3": 119537664,
+                "clock_speed": 3447000000,
+                "ht_capable": false,
+                "instruction_set": "aarch64",
+                "microarchitecture": "Haswell",
+                "microcode": "unknown",
+                "model": "Unknown",
+                "other_description": "Unknown",
+                "vendor": "ARM",
+                "version": "vendor"
+              },
+              "uid": "hydra-1"
+            },
+            "hydra-2": {
+              "architecture": {
+                "cpu_core_numbering": "contiguous",
+                "nb_cores": 72,
+                "nb_procs": 1,
+                "nb_threads": 72,
+                "platform_type": "aarch64"
+              },
+              "nodeset": "hydra",
+              "processor": {
+                "cache_l1": null,
+                "cache_l1d": 65536,
+                "cache_l1i": 65536,
+                "cache_l2": 1048576,
+                "cache_l3": 119537664,
+                "clock_speed": 3447000000,
+                "ht_capable": false,
+                "instruction_set": "aarch64",
+                "microarchitecture": "Haswell",
+                "microcode": "unknown",
+                "model": "Unknown",
+                "other_description": "Unknown",
+                "vendor": "ARM",
+                "version": "vendor"
+              },
+              "uid": "hydra-2"
+            },
+            "hydra-3": {
+              "architecture": {
+                "cpu_core_numbering": "contiguous",
+                "nb_cores": 72,
+                "nb_procs": 1,
+                "nb_threads": 72,
+                "platform_type": "aarch64"
+              },
+              "nodeset": "hydra",
+              "processor": {
+                "cache_l1": null,
+                "cache_l1d": 65536,
+                "cache_l1i": 65536,
+                "cache_l2": 1048576,
+                "cache_l3": 119537664,
+                "clock_speed": 3447000000,
+                "ht_capable": false,
+                "instruction_set": "aarch64",
+                "microarchitecture": "Haswell",
+                "microcode": "unknown",
+                "model": "Unknown",
+                "other_description": "Unknown",
+                "vendor": "ARM",
+                "version": "vendor"
+              },
+              "uid": "hydra-3"
+            },
+            "hydra-4": {
+              "architecture": {
+                "cpu_core_numbering": "contiguous",
+                "nb_cores": 72,
+                "nb_procs": 1,
+                "nb_threads": 72,
+                "platform_type": "aarch64"
+              },
+              "nodeset": "hydra",
+              "processor": {
+                "cache_l1": null,
+                "cache_l1d": 65536,
+                "cache_l1i": 65536,
+                "cache_l2": 1048576,
+                "cache_l3": 119537664,
+                "clock_speed": 3447000000,
+                "ht_capable": false,
+                "instruction_set": "aarch64",
+                "microarchitecture": "Haswell",
+                "microcode": "unknown",
+                "model": "Unknown",
+                "other_description": "Unknown",
+                "vendor": "ARM",
+                "version": "vendor"
+              },
+              "uid": "hydra-4"
+            }
+          },
+          "queues": [
+            "admin",
+            "testing"
+          ],
+          "uid": "hydra"
+        },
         "neowise": {
           "nodes": {
             "neowise-1": {