[ofa-general] opensm routing

[Hal Rosenstock]

On Mon, 2008-06-16 at 09:46 -0700, Ira Weiny wrote:
> On Mon, 16 Jun 2008 09:38:58 -0700
> Hal Rosenstock <hrosenstock at xsigo.com> wrote:
> 
> > On Mon, 2008-06-16 at 09:35 -0700, Ira Weiny wrote:
> > > On Mon, 16 Jun 2008 09:25:48 -0700
> > > Hal Rosenstock <hrosenstock at xsigo.com> wrote:
> > > 
> > > > On Mon, 2008-06-16 at 09:16 -0700, Al Chu wrote:
> > > > > I asked the Lustre people in my hallway, and it isn't
> > > > > currently configurable for Lustre. 
> > > > 
> > > > Wouldn't Lustre SL be inherited from partition based on underlying IPoIB
> > > > interface ?
> > > 
> > > I am not quite sure what you mean here?  Our Lustre sets up their own QP's via
> > > the RDMACM.  So I believe we could set our SL and/or partition for those QP's
> > > separately from IPoIB via a modify_qp call; right?
> > 
> > RDMA CM does address resolution based on IP addresses and an SL can be
> > associated with the outgoing IPoIB interface.
> > 
> 
> Right, but does it _have_ to be the associated?  I thought not.

Do you want a different SL from that ? There's a QoS syntax but I'm not
sure how Lustre plays into that.

-- Hal

> Ira
>