defiant: Fix nfs-client, replace borg with restic

hosts/defiant/filesystems.nix

@@ -0,0 +1,29 @@
+{ config, pkgs, lib, ... }:
+{
+  # Boot drives are defined in ./hardware-configuration.nix
+
+  boot = {
+    zfs.extraPools = [ "tank" ];
+    supportedFilesystems = [ "zfs" ];
+    kernelPackages = config.boot.zfs.package.latestCompatibleLinuxPackages;
+  };
+  services.prometheus.exporters.zfs.enable = true;
+
+  environment.systemPackages = with pkgs; [
+    cifs-utils
+    zfs
+  ];
+
+  fileSystems = {
+    "/mnt/feal-syn1/backup" = {
+      device = "feal-syn1.home.feal.no:/volume2/backup";
+      fsType = "nfs";
+      options = [
+        "defaults"
+        "noatime"
+        "rw"
+        "nfsvers=3"
+      ];
+    };
+  };
+}