Deployment Guide

Configuring RDMA Adapters

Ensuring RDMA adapters are installed

The DSMS solution allows for the following network adapters:

• Chelsio T520-CR

• Mellanox ConnectX-3

• Mellanox ConnectX-3 Pro

These network adapters are required to use RDMA and leverage SMB direct. The following two sections

cover configuring the Chelsio T520-CR adapter. If these adapters were not ordered as a part of your

solution, you can skip this section. For more information about deploying Mellanox ConnectX-3/

ConnectX-3 Pro RDMA adapters, see Mellanox ConnectX-3/ConnectX-3 Pro configuration.

NOTE: You must repeat this task on each storage node.

1. Log in to each host server with the local Administrator privilege.

2. Click Control Panel → Device Manager.

3. Ensure that the Chelsio NIC card is displayed in the Device Manager. It is displayed as two separate

Chelsio Network Adapters.

Figure 22. Identifying Chelsio RDMA adapters

4. To verify the driver version of the adapter, right-click one of the Chelsio Network Adapters, and then

select Properties.

5. In the Driver tab, view Driver Version. Ensure that this driver is up-to-date based on the Dell Storage

with Microsoft Storage Spaces Support Matrix available at Dell.com/dsmsmanuals.

Configuring Chelsio card (if applicable)

This task configures the Chelsio RDMA network adapter. As described in previous task, you must have

labeled the Chelsio RDMA NICs as External1 and External2. However, you can verify the correct NIC in the