The mpt_sas(7D) driver supports SAS, SATA, SMP physical devices, and virtual devices by using the Integrated RAID feature. The new architecture for SAS drivers supports the following features:
SAS initiator ports (iports)
Dynamic reconfiguration of SAS, SATA, and SMP targets
FWARC 2008/013-compliant device representation
Multipathing
For more information, see the mpt_sas(7D) man page.