diff --git a/scripts/disko-config-chungus.nix b/scripts/disko-config-chungus.nix
index a2529e7..99b8d94 100644
--- a/scripts/disko-config-chungus.nix
+++ b/scripts/disko-config-chungus.nix
@@ -3,7 +3,7 @@
 # nixos-generate-config --root /mnt/
 # vim /mnt/configuration.nix
 # nixos-install --root /mnt
-
+{ ... }:
 let
   raid_disks = {
     "TOSHIBA_1360A003FVGG" = "/dev/disk/by-id/ata-TOSHIBA_MG08ACA16TE_1360A003FVGG";
@@ -54,35 +54,31 @@ in
           ];
         };
       };
-    } // mapAttrs
-      (name: device_path:
-        {
-          name = name;
-          value = {
-            type = "disk";
-            device = device_path;
-            content = {
-              type = "table";
-              format = "gpt";
-              partitions = [
-                {
-                  name = "zfs";
-                  start = "0";
-                  end = "100%";
-                  content = {
-                    type = "luks";
-                    name = "raid_${name}";
-                    #keyFile = "/tmp/secret.key";
-                    content = {
-                      type = "zfs";
-                      pool = "zraid";
-                    };
-                  };
-                }
-              ];
-            };
-          };
-        }
+    } // builtins.mapAttrs
+      (name: device_path: {
+        type = "disk";
+        device = device_path;
+        content = {
+          type = "table";
+          format = "gpt";
+          partitions = [
+            {
+              name = "zfs";
+              start = "0";
+              end = "100%";
+              content = {
+                type = "luks";
+                name = "raid_${name}";
+                #keyFile = "/tmp/secret.key";
+                content = {
+                  type = "zfs";
+                  pool = "zraid";
+                };
+              };
+            }
+          ];
+        };
+      }
       )
       raid_disks;
 
@@ -90,11 +86,11 @@ in
 
       zroot = {
         type = "zpool";
-        rootFsOptions.compression = "lz4";
         datasets = {
           "root" = {
             type = "zfs_fs";
             mountpoint = "/";
+            options.compression = "lz4";
           };
         };
       };
@@ -106,23 +102,23 @@ in
           "media" = {
             type = "zfs_fs";
             mountpoint = "/media";
+            options.compression = "lz4";
           };
           "media/nextcloud" = {
             type = "zfs_fs";
             mountpoint = "/media/nextcloud";
             options = {
+              compression = "lz4";
               # question: is that combination of frequency and keep even possible?
               "com.sun:auto-snapshot" = "false";
               "com.sun:auto-snapshot:daily,keep=32" = "true";
-              "com.sun:auto-snapshot:weekly,keep=52" = "true";
-              "com.sun:auto-snapshot:montly,keep=24" = "true";
+              "com.sun:auto-snapshot:montly,keep=48" = "true";
             };
           };
         };
       };
 
     };
-
   };
 }