diff --git a/devices/ellaca/disko.nix b/devices/ellaca/disko.nix
index 1349545..659ad09 100644
--- a/devices/ellaca/disko.nix
+++ b/devices/ellaca/disko.nix
@@ -39,6 +39,10 @@
                     mountOptions = [ "compress=zstd" "noatime" ];
                     mountpoint = "/nix";
                   };
+                  "/persistent" = {
+                    mountOptions = [ "compress=zstd" "noatime" ];
+                    mountpoint = "/persistent";
+                  };
                 };
 
                 mountpoint = "/pratition-root";
diff --git a/devices/ellaca/hardware-config.nix b/devices/ellaca/hardware-config.nix
index 08d9ed7..f731ea6 100644
--- a/devices/ellaca/hardware-config.nix
+++ b/devices/ellaca/hardware-config.nix
@@ -19,6 +19,11 @@
       fsType = "btrfs";
       options = [ "subvol=nix" "compress=zstd" "noatime" ];
     };
+    "/persistent" = {
+      device = "/dev/disk/by-uuid/7d29fef5-9fdf-43b4-ad17-a94774f802b5";
+      fsType = "btrfs";
+      options = [ "subvol=persistent" "compress=zstd" "noatime" ];
+    };
     "/home" = {
       device = "/dev/disk/by-uuid/7d29fef5-9fdf-43b4-ad17-a94774f802b5";
       fsType = "btrfs";