diff --git a/modules/nixos-modules/disko.nix b/modules/nixos-modules/disko.nix
index 2cfeacc..3d15498 100644
--- a/modules/nixos-modules/disko.nix
+++ b/modules/nixos-modules/disko.nix
@@ -50,6 +50,11 @@ in {
       };
     };
     pool = {
+      mode = lib.mkOption {
+        type = lib.types.str;
+        default = "raidz2";
+        description = "what level of redundancy should this pool have";
+      };
       # list of drives in pool that will have a boot partition put onto them
       bootDrives = lib.mkOption {
         type = lib.types.listOf lib.types.str;
@@ -207,7 +212,7 @@ in {
               type = "topology";
               vdev = (
                 builtins.map (disks: {
-                  mode = "raidz2";
+                  mode = config.host.storage.pool.mode;
                   members =
                     builtins.map (disk: disk.name) disks;
                 })