[ofa-general] Running OpenSM on large clusters

[Sasha Khapyorsky]

On 21:03 Wed 17 Oct     , Sasha Khapyorsky wrote:
> > 
> > We have atlas running with 1152 nodes.  OpenSM is able to route it with up/down
> > routing in ~2min.
> 
> 2min is a lot for OpenSM with up/down. Is it pure OpenSM time or from
> bring-up power-on?

With simulator (ibsim) and atlas I have 7+ seconds with master OpenSM:

-------------------------------------------------
OpenSM 3.1.5
Command Line Arguments:
 Creating new log file
 Run Once
 Log File: ./osm.log
-------------------------------------------------
OpenSM 3.1.5

Using default GUID 0x2c9020021a5ed
Entering MASTER state

SUBNET UP

Exiting SM


real	0m7.324s
user	0m5.860s
sys	0m2.980s


Sasha