FC-4 (FCP) Features
78 SL500: Interface Reference Manual • July 2008 Revision: F • 96122
Other Features
TABLE 5-27 lists other FCP features supported:
Public Loop SCSI Target Discovery
For public loop SCSI target discovery, the following private loop discovery is used
except that discovery of SCSI targets will be performed via the Simple Name
Server or RSCN, and the function performed by ADISC/PDISC will be replaced by
FAN.
Private Loop SCSI Target Discovery
When the possibility of a configuration change exists, a SCSI initiator might want
to rediscover the new configuration. The SCSI Target Discovery procedure for a
SCSI initiator is:
For all valid AL_PAs:
TABLE 5-27 Other FCP Features
Feature
FC-TAPE
StorageTekInitiator Target
FCP_LUN (in FCP_Command) R R Y
FCP_LUN (0) I R Y
Inquiry of FCP_LUN (0) I R Y
Inquiry of FCP_LUN (>0) I R Y
Auto Contingent Allegiance (ACA) A A N
OPN(AL_PA)
IF OPN is successful, then
Send ADISC or PDISC to D_ID = hex ’0000’ || AL_PA
IF LOGO is returned or the Node Name or Port Name has changed, then
Send PLOGI to D_ID = hex ’0000’ || AL_PA
IF PLOGI is successful, then
IF no hard address conflicts or application tolerant of hard address confli
Send PRLI to D_ID = hex ’0000’ || AL_PA
IF PRLI is successful, then
Send FCP_CMND with INQUIRY CDB to D_ID = hex ’0000’ ||AL_PA(LUN_0)
ENDIF
ENDIF
ENDIF
ENDIF
ENDIF
NEXT AL_PA
To Next Page
Loading...
Need help?
General
