diff --git a/modules/nixos/services/attic/default.nix b/modules/nixos/services/attic/default.nix
index 7c1539f..b54704b 100755
--- a/modules/nixos/services/attic/default.nix
+++ b/modules/nixos/services/attic/default.nix
@@ -7,6 +7,7 @@
 }:
 with lib;
 let
+  inherit (lib.${namespace}) mkOpt mkBoolOpt;
   name = "attic";
   cfg = config.${namespace}.services.${name};
 
@@ -24,7 +25,12 @@ let
   atticConfig = lib.${namespace}.mkModule {
     inherit config name;
     description = "attic Service";
-    options = { };
+    options = {
+      ntfy = {
+        enable = mkBoolOpt false "Enable ntfy notifications for cache rebuild failures";
+        envFile = mkOpt types.str "" "Path to the environment file containing NTFY_USER and NTFY_PASSWORD";
+      };
+    };
     moduleConfig = {
       services.atticd = {
         inherit (cfg) environmentFile;
@@ -71,9 +77,13 @@ let
             StandardError = "journal+console";
             Restart = "no";
             TimeoutStartSec = "2h";
-            EnvironmentFile = [ config.sops.templates."ntfy.env".path ];
+          }
+          // lib.optionalAttrs cfg.ntfy.enable {
+            EnvironmentFile = [ cfg.ntfy.envFile ];
+          };
+          unitConfig = lib.optionalAttrs cfg.ntfy.enable {
+            OnFailure = "nix-rebuild-cache-notify-failure.service";
           };
-          unitConfig.OnFailure = "nix-rebuild-cache-notify-failure.service";
           path = with pkgs; [
             nix
             git
@@ -125,13 +135,14 @@ let
             fi;
           '';
         };
-
+      }
+      // lib.optionalAttrs cfg.ntfy.enable {
         nix-rebuild-cache-notify-failure = {
           description = "Notify ntfy on nix-rebuild-cache failure";
           serviceConfig = {
             Type = "oneshot";
             ExecStart = "${ntfyFailScript}";
-            EnvironmentFile = [ config.sops.templates."ntfy.env".path ];
+            EnvironmentFile = [ cfg.ntfy.envFile ];
           };
         };
       };
diff --git a/modules/nixos/services/grafana/default.nix b/modules/nixos/services/grafana/default.nix
index af09b72..28bc00c 100755
--- a/modules/nixos/services/grafana/default.nix
+++ b/modules/nixos/services/grafana/default.nix
@@ -52,7 +52,7 @@ let
       name = "node-exporter-full.json";
       path = patchDashboard "node-exporter-full.json" (pkgs.fetchurl {
         url = "https://grafana.com/api/dashboards/1860/revisions/latest/download";
-        sha256 = "sha256-mEWSdsTn1EKpW6xoJv/s0XST46EOoUPbDugQwyngIss=";
+        sha256 = "sha256-IeQ72CZhtckDEihcVLhAFuSs77uWsZSENsdomSrWTHo=";
       }) "ds_prometheus";
     }
     {
diff --git a/systems/x86_64-linux/jallen-nas/apps.nix b/systems/x86_64-linux/jallen-nas/apps.nix
index da23dc5..7a7952c 100755
--- a/systems/x86_64-linux/jallen-nas/apps.nix
+++ b/systems/x86_64-linux/jallen-nas/apps.nix
@@ -26,10 +26,14 @@ in
       };
       arrs.enable = true;
       attic = {
-        enable = true;
+        enable = false;
         port = 9012;
         listenAddress = "[::]";
         environmentFile = "/run/secrets/jallen-nas/attic-key";
+        ntfy = {
+          enable = true;
+          envFile = config.sops.templates."ntfy.env".path;
+        };
         reverseProxy = {
           enable = true;
           subdomain = "cache";
diff --git a/systems/x86_64-linux/jallen-nas/boot.nix b/systems/x86_64-linux/jallen-nas/boot.nix
index 197bffe..427e576 100755
--- a/systems/x86_64-linux/jallen-nas/boot.nix
+++ b/systems/x86_64-linux/jallen-nas/boot.nix
@@ -9,7 +9,7 @@ in
   boot = {
     inherit kernelPackages;
 
-    kernelParams = [ "amd_iommu=pgtbl_v2" ];
+    kernelParams = [ "amd_iommu=on" ];
 
     initrd = {
       supportedFilesystems = {