Peer-to-Peer Data Transfer Support for the NI PXIe Data Storage Modules

Updated Apr 28, 2023

Reported In

Hardware

  • PXI Data Storage Module

Operating System

  • Windows
  • LabVIEW Real-Time (NI Linux Real-Time)

Issue Details

I can't understand if the PXIe-8267 NVMe storage supports peer-to-peer data streaming from the PXIe-7976R FPGA module. It is not listed in the datasheets or the getting started guides.

Solution

There is no data storage module that supports peer-to-peer data transfer.

Additional Information

Data storage modules are using DMA to stream data which enables to get high data transfer speeds. Additionally, the data needs to pass through the host computer (or PXI controller) memory (RAM) before getting stored in the module.

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