HP Hitachi Dynamic Link Manager Software - Manual (Page 285)

3. Creating an HDLM Environment
261
After:
<source dev='/dev/sddlmad'/>
For details on which SCSI devices correspond to which HDLM devices, see
4.3.5 Displaying Corresponding Information About an HDLM Device, SCSI
Device, and LDEV.
5. Execute the following command to enable the settings in the hardware
configuration file.
# virsh define /etc/libvirt/qemu/domK.xml
6. Start the guest OS.
For details on how to start the guest OS, see the OS documentation.