@@ -174,6 +174,9 @@ static void show_usage(void)
" Min Hop algorithm. Multiple routing engines can be specified\n"
" separated by commas so that specific ordering of routing\n"
" algorithms will be tried if earlier routing engines fail.\n"
+ " If all configured routing engines fail, OpenSM will always\n"
+ " attempt to route with Min Hop unless 'no_fallback' is\n"
+ " included in the list of routing engines.\n"
" Supported engines: updn, file, ftree, lash, dor, torus-2QoS\n\n");
printf("--do_mesh_analysis\n"
" This option enables additional analysis for the lash\n"