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Applying Patches Over the DeltaV Network

I suppose with the blocking of unused USB ports the answer is obvious, however while watching the network utilization in "Task Manager" while applying Windows updates and DeltaV hotfixes, I see the % utilization reaching 100% routinely. Our workstations and servers are connected by a "Plant LAN" (still isolated from the business network and the wider internet) as well as the DeltaV Primary & Secondary networks. 

A directory on one workstation containing the patches is mapped as a shared network drive across the domain, and the executables or batch files are launched on each workstation as we are permitted to take them out of service for update. Question is, is there any risk of this "patch traffic" stealing bandwidth from DeltaV transactions?

John Rezabek

• 25 Jan 2021 8:21 PM
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• Andre Dicaire

  

  • 25 Jan 2021 9:03 PM

  John, the high utilization is happening on the Plan LAN NIC? I'd say that won't affect the DeltaV NIC's per se. What I think you need to look at is the workstation's CPU and disk IO and free memory. As long as the DeltaV processes/servers are not starved for resources, the DeltaV comm layer should still be responding. But if you are applying patches to the workstation itself, is it even running the DeltaV applications? I would expect that you are not running Operate while your are applying Workstation Hotfixes on that computer.

  Andre Dicaire

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