diff --git a/data/grid5000/accesses/nodesets.json b/data/grid5000/accesses/nodesets.json
index f76d8a04eb5d4e2e628c9bd30f8a94298ff5aec8..2e1c9d8fdecef895c7039582542f9e789fac56a0 100644
--- a/data/grid5000/accesses/nodesets.json
+++ b/data/grid5000/accesses/nodesets.json
@@ -990,6 +990,65 @@
       ]
     }
   },
+  "abacus26": {
+    "besteffort": {
+      "ggas": [
+        "cidre",
+        "kerdata",
+        "magellan",
+        "myriads",
+        "pacap",
+        "wide",
+        "pirat",
+        "coast",
+        "avalon",
+        "chroma",
+        "emeraude",
+        "maracas",
+        "hive",
+        "inriastartupstudio",
+        "sonaide",
+        "feelim",
+        "iss-idiscover",
+        "iss-manta",
+        "inria-chile",
+        "inria-dsi",
+        "inria-sidf",
+        "swh",
+        "tadaam"
+      ],
+      "sites": [
+        "mc-rennes",
+        "mc-nancy",
+        "mc-lyon",
+        "mc-sophia",
+        "mc-lille",
+        "mc-grenoble",
+        "mc-paris",
+        "mc-saclay",
+        "mc-bordeaux",
+        "mc-guest",
+        "slices-fr-grenoble",
+        "slices-fr-lille",
+        "slices-fr-lyon",
+        "slices-fr-nancy",
+        "slices-fr-nantes",
+        "slices-fr-rennes",
+        "slices-fr-sophia",
+        "slices-fr-strasbourg",
+        "slices-fr-toulouse"
+      ]
+    },
+    "p1": {
+      "ggas": [
+        "linkmedia"
+      ],
+      "sites": [
+        "mc-staff-site",
+        "g5k-staff-site"
+      ]
+    }
+  },
   "abacus27": {
     "besteffort": {
       "ggas": [
diff --git a/data/grid5000/sites/rennes/clusters/abacus26/abacus26.json b/data/grid5000/sites/rennes/clusters/abacus26/abacus26.json
index 9d90d58e66778654dbc0b09dc8d3787dac42f1f7..c15ac38c34bd39d1941d2a193299a6cd02516ae8 100644
--- a/data/grid5000/sites/rennes/clusters/abacus26/abacus26.json
+++ b/data/grid5000/sites/rennes/clusters/abacus26/abacus26.json
@@ -82,7 +82,7 @@
   "priority": 202510,
   "queues": [
     "admin",
-    "testing"
+    "production"
   ],
   "redfish": true,
   "type": "cluster",
diff --git a/data/grid5000/sites/rennes/clusters/abacus26/nodes/abacus26-1.json b/data/grid5000/sites/rennes/clusters/abacus26/nodes/abacus26-1.json
index 1d1f0495cc3c3d613cea5bee924b52af0b16600d..962ef7305bf16fe51518ea0e3395d83b95c5807e 100644
--- a/data/grid5000/sites/rennes/clusters/abacus26/nodes/abacus26-1.json
+++ b/data/grid5000/sites/rennes/clusters/abacus26/nodes/abacus26-1.json
@@ -161,7 +161,7 @@
       "network_address": "abacus26-1-bmc.rennes.grid5000.fr"
     }
   ],
-  "nodeset": "abacus-26",
+  "nodeset": "abacus26",
   "operating_system": {
     "cstate_driver": "intel_idle",
     "cstate_governor": "menu",
@@ -211,10 +211,10 @@
   "supported_job_types": {
     "besteffort": true,
     "deploy": true,
-    "max_walltime": 0,
+    "max_walltime": 604800,
     "queues": [
       "admin",
-      "testing"
+      "production"
     ],
     "virtual": "ivt"
   },
diff --git a/input/grid5000/access/rennes.yaml b/input/grid5000/access/rennes.yaml
index 6bce0f648320947ac2312cb46eac9dc15d759978..888bebcd0ba6abedd388528c8a5461d2f4d83f25 100644
--- a/input/grid5000/access/rennes.yaml
+++ b/input/grid5000/access/rennes.yaml
@@ -44,6 +44,7 @@ abacus3: &linkmedia-exclusive
 abacus10: *linkmedia-exclusive
 abacus18: *linkmedia-exclusive
 abacus21: *linkmedia-exclusive
+abacus26: *linkmedia-exclusive
 
 ## SIROCCO
 abacus5: &sirocco-exclusive
diff --git a/input/grid5000/sites/rennes/clusters/abacus26/abacus26.yaml b/input/grid5000/sites/rennes/clusters/abacus26/abacus26.yaml
index fea7fc38f8d7e60700774de2e6e03879a19e924d..aa79b179701183c638965b7b0c0457d17285e595 100644
--- a/input/grid5000/sites/rennes/clusters/abacus26/abacus26.yaml
+++ b/input/grid5000/sites/rennes/clusters/abacus26/abacus26.yaml
@@ -6,7 +6,7 @@ boot_type: uefi
 exotic: false
 queues:
   - admin
-  - testing
+  - production
 nodes:
   abacus26-[1-1]:
     chassis:
@@ -15,7 +15,7 @@ nodes:
     supported_job_types:
       deploy: true
       besteffort: true
-      max_walltime: 0
+      max_walltime: 604800
     processor:
       microarchitecture: Sapphire Rapids
       clock_speed: 2600000000 
@@ -41,4 +41,4 @@ nodes:
       standard-environment: debian11-x64-std 
     management_tools:
       bmc_vendor_tool: ipmitool 
-    nodeset: abacus-26
+    nodeset: abacus26