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Table 2-3 Hardware Path Field Descriptions (continued)
Fibre Channel Topology of HBA
ValueField
Private LoopFabric Topologies
With Peripheral Device Addressing,
the value of this field is the lower
4-bits of the Loop ID of the target
device.
For LUNs with Peripheral Device
Addressing, the value of this field is the
lower 4-bits of the third byte of the
N_Port ID of the target device. This field
usually corresponds to the Arbitrated
Loop Physical Address (AL_PA) of the
target device.
Depends on the Fibre
Channel topology and
the LUN addressing
method used.
Target
For LUNs with Logical Unit Addressing, the value is the Target field of the
LUN. For LUNs with Volume Set Addressing (Flat Space Addressing), the value
is bits 3 - 6 of the LUN.
Depends only on the LUN addressing method used.LUN
LUN Addressing Method Value of LUN field in Fibre Channel hardwarePath.
Peripheral Device Addressing The Target or LUN field of the Logical Unit Number.
Logical Unit Addressing The LUN field of the Logical Unit Number.
Volume Set Addressing (Flat Space
Addressing)
Bits 0 - 2 of the Logical Unit Number.
For more information about the fields in the Logical Unit Number, please see the SCSI Architecture
Model - 3 (SAM-3) standards document.
Interpreting Hardware Paths 19