diff --git a/ops/nixos/lib/blade.nix b/ops/nixos/lib/blade.nix
index 19fe10e756..ee66b912ec 100644
--- a/ops/nixos/lib/blade.nix
+++ b/ops/nixos/lib/blade.nix
@@ -150,9 +150,14 @@ in {
     security.polkit.enable = true;
     users.users.lukegb.extraGroups = lib.mkAfter [ "libvirtd" ];
 
+    # Our disk is slow; don't write to it...
     services.journald.extraConfig = ''
       Storage=volatile
     '';
+    systemd.coredump.extraConfig = ''
+      Storage=none
+      ProcessSizeMax=0
+    '';
   
     system.stateVersion = "21.05";
   };