ADIC FCR 200 manual Indexed Addressing, FPC LUN Value

Note

The SCSI bus number corresponds to the physical SCSI port on the back of the FCR200.

Auto Addressing	Automatically creates a new address
	mapping table every time the
	FCR200 is power cycled.
SCC Addressing	Implements the SCSI-3 Controller
	Commands SCSI storage array
	addressing to address SCSI devices
	attached to the FCR200.

SCSI Targets are selected by mapping the appropriate values into the FCP LUN field, and correlating a Fibre Channel LUN value to a SCSI Bus:Target:LUN value. The FCR200 acts as a single initiator on each SCSI bus, defaulting to ID 7. All commands passed through to a SCSI bus originate from this

SCSI ID.

As an example, SCSI bus 0 corresponds to SCSI port 0 on the rear of the FCR200. SCSI bus 1 corresponds to SCSI port 1.

Indexed Addressing

Indexed Addressing allows for generic Fibre Channel host bus adapters to access SCSI devices attached to the FCR200. This is done by use of a table which is indexed by sequential FCP LUN values, indicating selected BUS:TARGET:LUN devices.

Table 5-1	Indexed Addressing
FPC LUN Value		SCSI BUS:TARGET:LUN
	0	0:0:0
	1	0:1:0
	2	0:2:0
	3	0:3:0
	4	0:4:0
	5	0:5:0
	6	0:6:0
		0:7:0 occupied by initiator ID
	7	0:8:0
	(…)	(…)

5-6 Understanding the Configuration

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