[ofa-general] Running OpenSM on large clusters

[Ira Weiny]

Ok, perhaps my estimate was a bit too fast.  However, it should be on the order of minutes.

I could get a hard number from a sysadmin but I don't think that is the issue.

Ira


On Wed, 17 Oct 2007 21:23:36 +0200
Sasha Khapyorsky <sashak at voltaire.com> wrote:

> 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