num_nodes="$out"
echo "Running fetch_ring on all $num_nodes nodes."
-try_command_on_node -v -p all $CTDB_TEST_WRAPPER $VALGRIND fetch_ring -n $num_nodes
+testprog_onnode -v -p all \
+ fetch_ring -n "$num_nodes" -D "fetch_ring.tdb" -k "testkey"
pat='^(Waiting for cluster|Fetch\[[[:digit:]]+\]: [[:digit:]]+(\.[[:digit:]]+)? msgs/sec)$'
sanity_check_output 1 "$pat"