xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
"Cannot mount non-existent disk \"%s\"", mount->storageId);
xbt_assert(xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL),
"Cannot mount non-existent disk \"%s\"", mount->storageId);