Extend vpn user docs

Co-authored-by: Fabian Hauser <fabian@fh2.ch>

nixos-configurations/lindberg/filesystems.nix

@@ -9,8 +9,12 @@
     MAILADDR root
     ARRAY /dev/md/raid_system metadata=1.2 name=any:raid_system UUID=1becc692:aeb83b67:1c65da45:b8bd4b93
     ARRAY /dev/md/raid_data metadata=1.2 name=any:raid_data UUID=576eabb1:0722bc27:84d9314f:d0145000
+    INACTIVE-ARRAY /dev/md125 metadata=1.2 name=nixos:md_data UUID=b9c36b6d:a2e0fa86:f6dbfe57:857cd0d2
   '';
 
+  # TODO: RAID Monitoring
+  # TODO: Set spin-down time of physical disks
+
   services.fwupd.daemonSettings.EspLocation = pkgs.lib.mkForce config.disko.devices.disk.system-1.content.partitions.boot.content.mountpoint;
 
   # Use the systemd-boot EFI boot loader.
@@ -24,11 +28,11 @@
         path = "/boot-primary";
         efiBootloaderId = "NixOS primary";
       }
-      {
-        devices = [ "nodev" ];
-        path = "/boot-secondary";
-        efiBootloaderId = "NixOS secondary";
-      }
+      #{
+      #  devices = [ "nodev" ];
+      #  path = "/boot-secondary";
+      #  efiBootloaderId = "NixOS secondary";
+      #}
     ];
   };
 }