Enable automatic ZFS backups to remote server

modules/datasync.nix

@@ -31,4 +31,19 @@
       "force user" = "coace";
     };
   };
+
+  # ZFS automatic backup solution
+  services.znapzend = {
+    enable = true;
+    pure = true;
+    zetup."vault" = {
+      plan = "1h=>10min,1d=>1h,1w=>1d,1m=>1w,1y=>1m";
+      recursive = true;
+      destinations.backup = {
+        host = "10.0.1.4";
+        dataset = "shield/unit";
+        plan = "1w=>1d,1m=>1w,1y=>1m";
+      };
+    };
+  };
 }

modules/hardware-configuration.nix

@@ -42,8 +42,8 @@
     fsType = "zfs";
   };
 
-  fileSystems."/vault/samba" = {
+  fileSystems."/vault/backups" = {
-    device = "vault/samba";
+    device = "vault/backups";
     fsType = "zfs";
   };
 
@@ -52,23 +52,13 @@
     fsType = "zfs";
   };
 
-  fileSystems."/vault/VMs/legacy" = {
+  fileSystems."/vault/config" = {
-    device = "vault/VMs/legacy";
+    device = "vault/config";
     fsType = "zfs";
   };
 
-  fileSystems."/vault/backups" = {
+  fileSystems."/vault/samba" = {
-    device = "vault/backups";
+    device = "vault/samba";
-    fsType = "zfs";
-  };
-
-  fileSystems."/vault/nextcloud" = {
-    device = "vault/nextcloud";
-    fsType = "zfs";
-  };
-
-  fileSystems."/vault/backups/databases" = {
-    device = "vault/backups/databases";
     fsType = "zfs";
   };
 
@@ -77,8 +67,28 @@
     fsType = "zfs";
   };
 
-  fileSystems."/vault/config" = {
+  fileSystems."/vault/VMs/legacy" = {
-    device = "vault/config";
+    device = "vault/VMs/legacy";
+    fsType = "zfs";
+  };
+
+  fileSystems."/vault/backups/databases" = {
+    device = "vault/backups/databases";
+    fsType = "zfs";
+  };
+
+  fileSystems."/vault/nextcloud" = {
+    device = "vault/nextcloud";
+    fsType = "zfs";
+  };
+
+  fileSystems."/vault/backups/documents" = {
+    device = "vault/backups/documents";
+    fsType = "zfs";
+  };
+
+  fileSystems."/vault/backups/frontend" = {
+    device = "vault/backups/frontend";
     fsType = "zfs";
   };