[gpfsug-discuss] RDMA question
Ryan Novosielski
novosirj at rutgers.edu
Wed Jan 17 16:13:30 GMT 2024
On Jan 17, 2024, at 10:21, Ward Poelmans <ward.poelmans at vub.be> wrote:
On 17/01/2024 16:11, Ryan Novosielski wrote:
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.
You can use verbsRdmaFailBackTCPIfNotAvailable=no for that. If RDMA is not working on a node configured for it, GPFS will refuse to start.
Thank you — that’s a neat trick. Newer than our original install (5.0.4) and I didn’t catch it.
--
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