Fix rolling back to blank root snapshot on servers

machines/kharbranth/default.nix

@@ -33,6 +33,7 @@
           location = "lasting-integrity";
         }
       ];
+      rootDataset = "rpool/local/root";
     };
   };
 }

machines/kholinar/default.nix

@@ -33,6 +33,7 @@
           location = "lasting-integrity";
         }
       ];
+      rootDataset = "rpool/local/root";
     };
   };
 }

machines/lasting-integrity/default.nix

@@ -29,6 +29,7 @@
         fast = true;
         location = "192.168.0.1";
       }];
+      rootDataset = "zroot/local/root";
     };
   };
 }

machines/urithiru/default.nix

@@ -36,6 +36,7 @@
           location = "192.168.0.2";
         }
       ];
+      rootDataset = "zroot/local/root";
     };
   };
 }