[ofa-general] [query] Multi path discovery in openSM

Sasha Khapyorsky sashak at voltaire.com
Sun Sep 23 12:15:56 PDT 2007


Hi Manesh,

On 13:55 Fri 21 Sep     , Keshetti Mahesh wrote:
> What is the exact significance of the configurable option LMC
> in the opensm.conf file?

Multiple LIDs will be assigned for single end node when LMC is > 0.

> If there are multiple paths between two end nodes in a network and
> I set the LMC > 0 then whether the openSM itself identifies those
> routes and updates the switch forwarding tables or is it the duty of some
> other consumer ??

OpenSM.

> And after configuring multiple paths between end nodes, how exactly they
> are used for path redundancy and load sharing.
> Again is it the duty of the openSM (in case any SM) or the application?

It is up to application (not OpenSM) how to use it. Basically by using
different end node LIDs you are able to utilize different paths.

Sasha



More information about the general mailing list