Tunneling RAID controller, where {HEAD ~ the SCSI commands} are de encapsulated from the FC frames and translated to {TAIL ~ SATA FISs} 
Tunneling RAID controller , where { HEAD ~ the SCSI commands } are de encapsulated from the FC frames and translated to { TAIL ~ SATA FISs }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL