diff --git a/hosts/WCE-Overseer/thinkcenter-disks.nix b/hosts/WCE-Overseer/thinkcenter-disks.nix
index 936d0ef..3a3f52e 100644
--- a/hosts/WCE-Overseer/thinkcenter-disks.nix
+++ b/hosts/WCE-Overseer/thinkcenter-disks.nix
@@ -29,5 +29,17 @@
         };
       };
     };
+    zpool = {
+        zroot = {
+            name = "Root zpool";
+            mode = "mirror";
+            rootFsOptions = {
+                compression = "zstd";
+                "com.sun:auto-snapshot" = "false";
+            };
+            mountpoint = "/";
+            postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^zroot@blank$' || zfs snapshot zroot@blank";
+        };
+    };
   };
 }