diff --git a/hosts/layne/hardware/filesystem.nix b/hosts/layne/hardware/filesystem.nix
index 80ddeaf..3b9643a 100644
--- a/hosts/layne/hardware/filesystem.nix
+++ b/hosts/layne/hardware/filesystem.nix
@@ -31,6 +31,12 @@ _: {
       options = [ "subvol=/" "compress-force=zstd" "noatime" ];
     };
 
+    "/mnt/data" = {
+      device = "/dev/disk/by-partlabel/DATA2";
+      fsType = "btrfs";
+      options = [ "subvol=/" "compress-force=zstd" "noatime" "nofail" "x-systemd.automount" "x-systemd.device-timeout=5" ];
+    };
+
     "/boot" = {
       device = "/dev/disk/by-partlabel/LAYNE_BOOT";
       fsType = "vfat";
diff --git a/hosts/wynne/hardware/filesystem.nix b/hosts/wynne/hardware/filesystem.nix
index 0c02097..7838ef2 100644
--- a/hosts/wynne/hardware/filesystem.nix
+++ b/hosts/wynne/hardware/filesystem.nix
@@ -31,6 +31,12 @@ _: {
       options = [ "subvol=/" "compress-force=zstd" "noatime" ];
     };
 
+    "/mnt/data" = {
+      device = "/dev/disk/by-partlabel/DATA1";
+      fsType = "btrfs";
+      options = [ "subvol=/" "compress-force=zstd" "noatime" "nofail" "x-systemd.automount" "x-systemd.device-timeout=5" ];
+    };
+
     "/boot" = {
       device = "/dev/disk/by-partlabel/WYNNE_BOOT";
       fsType = "vfat";