diff --git a/data/hostname/backup01.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/backup01.euwest.azure.internal.softwareheritage.org.yaml
--- a/data/hostname/backup01.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/backup01.euwest.azure.internal.softwareheritage.org.yaml
@@ -20,3 +20,17 @@
           sync_snap: no # snapshots are managed by sanoid 
       target_dataset_base: data/sync
       ssh_key: backup01-azure
+
+sanoid::configuration:
+  local_config:
+    data/sync/dali/postgresql:
+      use_template: backup 
+      hourly: 0
+      monthly: 2
+      daily: 30
+    data/sync/dali/postgresql/wal:
+      use_template: backup 
+      hourly: 0
+      monthly: 2
+      daily: 30
+                                    
\ No newline at end of file
diff --git a/data/hostname/dali.internal.admin.swh.network.yaml b/data/hostname/dali.internal.admin.swh.network.yaml
--- a/data/hostname/dali.internal.admin.swh.network.yaml
+++ b/data/hostname/dali.internal.admin.swh.network.yaml
@@ -26,13 +26,6 @@
   - queries
 
 sanoid::configuration:
-
-  storage_config:
-    data/postgresql:
-      use_template: backup 
-    data/postgresql/wal:
-      use_template: backup 
-
   local_config:
     data/postgresql:
       use_template: pg_backup 
@@ -44,6 +37,3 @@
       hourly: 0
       monthly: 1
       daily: 7
-
-
-
diff --git a/manifests/site.pp b/manifests/site.pp
--- a/manifests/site.pp
+++ b/manifests/site.pp
@@ -215,6 +215,10 @@
   include profile::postgresql::client
 }
 
+node 'backup01.euwest.azure.internal.softwareheritage.org' {
+  include role::zfs_snapshots_storage
+}
+
 node default {
   include role::swh_base
 }
diff --git a/site-modules/role/manifests/zfs_snapshots_storage.pp b/site-modules/role/manifests/zfs_snapshots_storage.pp
new file mode 100644
--- /dev/null
+++ b/site-modules/role/manifests/zfs_snapshots_storage.pp
@@ -0,0 +1,7 @@
+# role of zfs snapshot storage server
+# only declare a sanoid class to install
+# the configuration to manage the snapshot
+# retention policy
+class role::zfs_snapshots_storage inherits role::swh_base {
+  include profile::sanoid::snapshot
+}