diff --git a/machines/moritz-server/yottamaster.nix b/machines/moritz-server/yottamaster.nix
index 7a4d090..ccd4fa6 100644
--- a/machines/moritz-server/yottamaster.nix
+++ b/machines/moritz-server/yottamaster.nix
@@ -43,17 +43,22 @@ in {
         rootFsOptions = {
           compression = "zstd";
           "com.sun:auto-snapshot" = "false";
+          "canmount" = "noauto";
         };
+        mountpoint = null;
 
         datasets = {
           music = {
             type = "zfs_fs";
             mountpoint = "/data/music";
             options."com.sun:auto-snapshot" = "true";
+            options."canmount" = "noauto";
+          };
           nixarr = {
             type = "zfs_fs";
             mountpoint = "/data/nixarr";
             options."com.sun:auto-snapshot" = "true";
+            options."canmount" = "noauto";
           };
         };
       };