Verifying and Re-Enabling RDMA after driver updates - Microsoft Q&A

This article discusses how to verify and re-enable RDMA capabilities after updating NIC drivers, impacting storage resync speeds on S2D hosts.

“Hi team After updating physical NIC drivers on an S2D host, the RDMA settings on the adapters get reset and storage resync traffic drops back to TCP speeds. For example, after installing a new Mellanox/NVIDIA ConnectX‑5 firmware package, the host suddenly stops advertising RDMA over SMB Direct. How can I properly ver…”

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Audience

admin

Environment

cloudon_premises

Classification confidence: 80%

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