[ofa-general] Re: [OpenSM] How to find active routing algorithm ?

[Hal Rosenstock]

On Wed, 2008-06-18 at 16:57 +0530, Keshetti Mahesh wrote:
> Thanks for your replies.
> 
> > If that were to be done, it would need to be done via a vendor specific
> > SM query as there is no standard for IB routing algorithms or reporting
> > this to other nodes. It would not work with other SMs or prior OpenSMs.
> > Is this really needed over IB ? Isn't some remote access to the SM node
> > sufficient for this and then use one of the methods previously described
> > on the list ?
> 
> Yes, all the above methods are sufficient to find out the active
> routing algorithm
> if the user has the remote access to the SM node. But in our subnet, SM node
> is also a compute node and when some user reserves that node for running jobs
> no one else except 'root' is allowed to enter that node. There I am
> facing the problem.

Stepping back for a moment, why do other nodes need to know the routing
algorithm being used ? How would this information be used ?

-- Hal

> -Mahesh