diff --git a/devices/ellaca/disko.nix b/devices/ellaca/disko.nix
new file mode 100644
index 0000000..a74ea4a
--- /dev/null
+++ b/devices/ellaca/disko.nix
@@ -0,0 +1,107 @@
+{
+  disko.devices = {
+    disk = {
+      ssd1 = {
+        type = "disk";
+        device = "/dev/nvme0n1";
+        content = {
+          type = "gpt";
+          partitions = {
+            efi = {
+              size = "512M";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+              };
+            };
+            crypt = {
+              size = "100%";
+              content = {
+                type = "luks";
+                name = "crypt";
+                passwordFile = "/tmp/secret.key";
+                settings = {
+                  allowDiscards = true;
+                };
+                content = {
+                  type = "zfs";
+                  pool = "zroot";
+                };
+              };
+            };
+          };
+        };
+      };
+      hdd1 = {
+        type = "disk";
+        device = "/dev/sda";
+        content = {
+          type = "gpt";
+          partitions = {
+            crypt = {
+              size = "100%";
+              content = {
+                type = "luks";
+                name = "crypt";
+                passwordFile = "/tmp/secret.key";
+                settings = {
+                  allowDiscards = true;
+                };
+                content = {
+                  type = "zfs";
+                  pool = "zstore";
+                };
+              };
+            };
+          };
+        };
+      };
+      zpool = {
+        zroot = {
+          type = "zpool";
+          mode = "";
+          rootFsOptions = {
+            compression = "zstd";
+            canmount = "off";
+            "com.sun:auto-snapshot" = "false";
+          };
+          postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot@blank$' || zfs snapshot zroot@blank";
+
+          datasets = {
+            root = {
+              type = "zfs_fs";
+              mountpoint = "/";
+            };
+            nix = {
+              type = "zfs_fs";
+              mountpoint = "/nix";
+            };
+            persist = {
+              type = "zfs_fs";
+              mountpoint = "/persist";
+            };
+          };
+        };
+        zstore = {
+          type = "zpool";
+          mode = "";
+          rootFsOptions = {
+            compression = "zstd";
+            canmount = "off";
+            "com.sun:auto-snapshot" = "false";
+          };
+          postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot@blank$' || zfs snapshot zroot@blank";
+
+          datasets = {
+            persist = {
+              type = "zfs_fs";
+              mountpoint = "/persist/ext";
+            };
+          };
+        };
+      };
+    };
+  };
+}