[gpfsug-discuss] RDMA question
Ryan Novosielski
novosirj at rutgers.edu
Wed Jan 17 15:11:58 GMT 2024
You just wanna be careful that whatever the non-RDMA nodes are doing, the traffic is acceptable.
We have a various points ran into nodes not using RDMA, just because of a minor misconfiguration, and suddenly hundreds of megabytes a second of storage traffic we’re going over a net network designed for administration.
Sent from my iPhone
> On Jan 17, 2024, at 08:30, Jonathan Buzzard <jonathan.buzzard at strath.ac.uk> wrote:
>
>
> I can't seem to find a straight answer to this. If you wanted to used RDMA with GPFS does every node need to be using RDMA or could it be that just a subset use RDMA?
>
> Obviously the nodes with actual storage attached need to be running RDMA, but would I need to upgrade things like protocol or GUI nodes etc. to use RDMA as well?
>
>
> JAB.
>
> --
> Jonathan A. Buzzard Tel: +44141-5483420
> HPC System Administrator, ARCHIE-WeSt.
> University of Strathclyde, John Anderson Building, Glasgow. G4 0NG
>
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