Software/Driver Configuration And Fine-Tuning; Enabling Smb Direct; Verifying Rdma; Rdma/Nvgre Concurrent (Mode 2) - Chelsio T5 Installation And User Manual

Chapter III. SMBDirect

2. Software/Driver Configuration and Fine-tuning

2.1.

Enabling SMB Direct

SMB Direct is installed and enabled by default. RDMA functionality on Chelsio adapters will be
enabled after installing the driver from the package.
You can use the PowerShell command
interfaces in your system. At least one adapter should indicate "RDMA Capable" true to take
advantage of SMB RDMA capability.
The next step is to configure your network so that SMB server and client machines can
communicate with each other. Please configure the Microsoft firewall to allow traffic between the
SMB clients and server.
2.2.

Verifying RDMA

There are number of ways to verify if RDMA is working:
2.2.1. Verify active connections using PowerShell
Open PowerShell window and execute the command
2.2.2. Use Event Viewer
You can use Event Viewer to view SMB connection events. To do this:
i. Open Event Viewer
ii. In the console tree, expand Event Viewer.
iii. Navigate to Application and Service Logs-> Microsoft->Windows->SMBClient
->Operational
2.3.

RDMA/NVGRE concurrent (Mode 2)

In this mode, you can run RDMA traffic using a virtual switch. This feature is enabled by
default. Please note that this is possible only on SR-IOV capable systems.
i. Check if the machine is SR-IOV capable using the following command:
PS C:\Users\Administrator> Get-VMHost | fl *iov*
Chelsio T5/T4 Unified Wire for Windows
Get-NetAdapterRdma
Get-SmbConnection
to get a list of RDMA capable
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