-vstubdir=$PWD/vservers/.vstub
-
-# XXX: The vserver reference name should be passed in as an argument
-# rather than being hardcoded.
-vrefname=default
+vref=${vrefdir}/${slicefamily}
+# stubs are created in a subdir per slicefamily
+vstubdir=$PWD/vservers/.vstub/${slicefamily}