What you should know about zfcp

Ubuntu 22.04 LTS LPAR mode z/VM guest

The zfcp device driver is a low-level driver or host-bus adapter driver that supplements the Linux® SCSI stack.

Figure 1 illustrates how the device drivers work together.

Figure 1. Device drivers that support the FCP environment
Illustration of how the zfcp and QDIO device drivers are connected

For an introduction to the concepts of Fibre Channel Protocol support, and how various SCSI devices can be configured to build an IBM® mainframe FCP environment, see Fibre Channel Protocol for Linux and z/VM® on IBM System z®, SG24-7266.