[ewg] Re: [ofa-general] OFED July 2, meeting summary on next OFED plans

[Steve Wise]

Tom, can you update us on NFS-RDMA?


Roland Dreier wrote:
>  > NFSoRDMA integration.
> 
> I would like to see a status report on NFS/RDMA from the people who
> want it in OFED.  As I understand it there are many core kernel
> changes required for this -- switchable transports and also mount
> option changes?
> 
> As far as I can tell from the outside, the NFS/RDMA effort seems to
> have stalled -- whenever I talk to core NFS developers like Chuck
> Lever or Trond Myklebust, they say that they are just waiting for the
> NFS/RDMA developers to submit their changes for review.  And I haven't
> seen any patches for a kernel newer that 2.6.18, so things look quite
> out-of-date.
> 
> Without visible progress towards getting NFS/RDMA into mergeable form
> soon, I think putting it into OFED 1.3 as anything other than a
> technology preview that may be dropped from future releases would be a
> very risky think to do.  Otherwise OFED risks getting stuck
> maintaining the whole NFS/RDMA stack, since the development effort
> outside of OFED really looks to me like it is fizzling out.
> 
>  - R.
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