diff --git a/nixos/hosts/shadowfax/config/disks.nix b/nixos/hosts/shadowfax/config/disks.nix
index 0996fcc..5720c4c 100644
--- a/nixos/hosts/shadowfax/config/disks.nix
+++ b/nixos/hosts/shadowfax/config/disks.nix
@@ -4,6 +4,10 @@
   "/dev/disk/by-id/nvme-SOLIDIGM_SSDPFKNU020TZ_PHEH3142017H2P0C"
   "/dev/disk/by-id/nvme-SOLIDIGM_SSDPFKNU020TZ_PHEH314201AD2P0C"
   "/dev/disk/by-id/nvme-SOLIDIGM_SSDPFKNU020TZ_PHEH314201E72P0C"
+  "/dev/nvme0" # These are required to fix a smartctl bug I have yet to upgrade to a version that fixes it.
+  "/dev/nvme1"
+  "/dev/nvme2"
+  "/dev/nvme3"
   "/dev/disk/by-id/scsi-35000cca23bc8a504"
   "/dev/disk/by-id/scsi-35000cca23bd29918"
   "/dev/disk/by-id/scsi-35000cca23bd29970"
diff --git a/nixos/hosts/shadowfax/default.nix b/nixos/hosts/shadowfax/default.nix
index ccc3194..9e6e7b1 100644
--- a/nixos/hosts/shadowfax/default.nix
+++ b/nixos/hosts/shadowfax/default.nix
@@ -94,6 +94,8 @@ in
   services = {
     smartd = {
       devices = smartdDevices;
+      # Short test every day at 2:00 AM and long test every Sunday at 4:00 AM.
+      defaults.monitored = "-a -o on -s (S/../.././02|L/../../7/04)";
     };
   };