Technical information

HGST Ultrastar C15K600 Hard Disk Drive Specification
84
09b
Invalid LUN
others
Reserved
17.6.6
Sequences of SSP Information Units
SSP Information Units are used in conjunction with one another to execute SCSI commands. This section provides a
brief overview of SAS SSP Information Unit sequences that would be required to complete a SCSI command.
Initiator Target
Command IU
Data IU (s)
Response IU
Time Time
Read Type Command
IU Sequence
Initiator Target
Command IU
Data IU (s)
Response IU
Time Time
Write Type Command
IU Sequence
Xfr_Rdy IU
Figure 7 SSP Information Unit Sequences