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Chapter 14. Configuring Fibre Channel over Ethernet

Based on the IEEE T11 FC-BB-5 standard, Fibre Channel over Ethernet (FCoE) is a protocol to transmit Fibre Channel frames over Ethernet networks. Typically, data centers have a dedicated LAN and Storage Area Network (SAN) that are separated from each other with their own specific configuration. FCoE combines these networks into a single and converged network structure. Benefits of FCoE are, for example, lower hardware and energy costs.

14.1. Using hardware FCoE HBAs in RHEL

In RHEL you can use hardware Fibre Channel over Ethernet (FCoE) Host Bus Adapter (HBA), which is supported by the following drivers:

  • qedf
  • fnic

If you use such a HBA, you configure the FCoE settings in the setup of the HBA. For more information, see the documentation of the adapter.

After you configure the HBA, the exported Logical Unit Numbers (LUN) from the Storage Area Network (SAN) are automatically available to RHEL as /dev/sd* devices. You can use these devices similar to local storage devices.

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