Sun Microsystems StorageTek SL500 Reference Manual

FC-4 (FCP) Features
96122 • Revision: F Chapter 5 Fibre Channel Operations 71
FCP Information Units
Information units transfer data to and from the SCSI initiator and SCSI target and
include the following required units:
■ T1 = Command and Task Management
■ T6 = Write Data (such as Mode Select and Write commands)
■ T12 = Response Received Confirmation
■ I1 = Transfer Ready on a Write Command
■ I3= Read Data (such as Mode Sense and Read commands)
■ I4 = Response (such as Status)
■ I5 = Response with Confirm Request
FIGURE 5-2 Examples of Read and Write Information Units
WRITE CMD READ CMD
T1 T1
FCP_CMD
FCP_CMD
I1
I3
I3
I4
I1
I4
I5
FCP_XFER_RDY
FCP_XFER_RDY
FCP_RSP
OR
FCP_RSP
FCP_CONF
FCP_CONF
(OPTIONAL)
(OPTIONAL)
DATA
DATA
DATA
DATA
DATA
DATA
DATA
FCP_RSP
DATA
DATA
DATA
DATA
DATA
Single Sequence
Single or Multiple Sequences
Single Sequence
T6
T6
T12
T12
L204_164
OR
FCP_RSP
I5

Sun Microsystems StorageTek SL500 Specifications

General

Brand	Sun Microsystems
Model	StorageTek SL500
Category	Storage
Language	English