nfsroot: fix nfs

hosts/nfsroot/default.nix

@@ -17,6 +17,10 @@ in {
     hypervisor = "cloud-hypervisor";
     mem = 2048;
 
+    # shares break nfs
+    shares = lib.mkForce [];
+    bootDiskType = "erofs";
+
     volumes = map (export: {
       mountPoint = "/${export}";
       image = "/dev/zvol/server10/vm/nfsroot/${builtins.baseNameOf export}";

hosts/nfsroot/nfs.nix

@@ -22,24 +22,24 @@
         # ro-store for netbooting Pi4
         /nix/store ${
           lib.concatMapStringsSep " " (subnet:
-            "${subnet}(${opts "ro" 0})"
+            "${subnet}(${opts "ro" 1})"
           ) allowed
         }
         # rootfs for 100% nfsroot
         /var/lib/nfsroot/dacbert ${
           lib.concatMapStringsSep " " (subnet:
-            "${subnet}(${opts "rw" 1})"
+            "${subnet}(${opts "rw" 2})"
           ) [ "${hostRegistry.hosts.dacbert.ip4}/32" ]
         }
         /var/lib/nfsroot/riscbert ${
           lib.concatMapStringsSep " " (subnet:
-            "${subnet}(${opts "rw" 2})"
+            "${subnet}(${opts "rw" 3})"
           ) allowed
         }
         # shared space for dump-dvb project
         /var/lib/dump-dvb/whoopsie ${
           lib.concatMapStringsSep " " (subnet:
-            "${subnet}(${opts "rw" 3})"
+            "${subnet}(${opts "rw" 4})"
           ) allowed
         }
     '';