[ofa-general] [RFC] the never ending search for SA scalability

[Hal Rosenstock]

On 8/10/07, Sean Hefty <sean.hefty at intel.com> wrote:
> >I'd like to propose the following change as a simple solution for handling SA
> >scalability problems:
> >
> >Modify the ib_sa module to support an SA LID that's separate from the SM LID.
> >
> >This concept is supported by the spec through SA redirection; however, I
> >propose that we also allow the SA LID to be set manually by an administrator.
>
> Roland,
>
> Is the following an acceptable approach for this?
>
> Add a class device file to the ib_sa that allows setting all SA redirection
> parameters (SL, LID, PKey, QP

There are implications on the "deployment" model for this based on the PKey.

> - with processing similar to SRP's add_target).
>
> /sys/class/infiniband_sa/sa-mthca-0/redirect_sa
>
> Alternatively, I can use a module parameter to redirect only the SA LID.
>
> - Sean
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