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. Ward
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