[Lustre-discuss] InfiniBand QoS with Lustre ko2iblnd.

[Isaac Huang]

On Mon, May 18, 2009 at 12:04:37PM +0200, Daniel Kobras wrote:
> Hi!
> 
> Does anyone know how to use QoS with Lustre's o2ib LND? The Voltaire IB
> LND allowed to #define a service level, but I couldn't find a similar
> facility in o2ib. Is there a different way to apply QoS rules?

The o2iblnd SL is set by the OFED RDMA CM, indirectly based on the
o2iblnd service port (set via ko2iblnd option 'service', 987 by
default) and its port space (RDMA_PS_TCP). For a complete, and more
complicated story, please see:
https://bugzilla.lustre.org/show_bug.cgi?id=18360#c2

Isaac