Enable ZFS automatic snapshotting

modules/datasync.nix

@@ -77,4 +77,33 @@
     '';
   };
 
+  # ZFS automatic snapshotting
+  services.znapzend = {
+    enable = true;
+    autoCreation = true;
+    features = {
+      compressed = true;
+      recvu = true;
+    };
+    zetup = {
+      "vault/backups" = {
+        plan = "1day=>1hour,1month=>1day,1year=>1month";
+        recursive = true;
+        mbuffer.enable = true;
+      };
+
+      "vault/syncthing" = {
+        plan = "1hour=>15min,1day=>15min,1month=>1day,1year=>1month";
+        recursive = true;
+        mbuffer.enable = true;
+      };
+
+      "vault/git" = {
+        plan = "1hour=>15min,1day=>1hour,1month=>1day,1year=>1month";
+        recursive = true;
+        mbuffer.enable = true;
+      };
+    };
+  };
+
 }