HP-UX and Windows OS Installation Guide for HP PCIe 8Gb and 4Gb 2 Port Fibre Channel Emulex Mezzanine HBA

This is the hardware path of the Fibre Channel adapter that the Logical Unit Number (LUN) is seen. For
multiport adapters, this field describes a specific port on the adapter.
Adapter
8
HP-UX uses a Domain ID of 8 to
indicate private loops. Fibre
Channel switches seen by HP-UX
hosts cannot be configured with
domain ID of 8.
Typically the Domain ID of the
switch the target device is
attached, taken from the most
significant byte of the N_Port ID
of the target device.
Dependent on the Fibre Channel
topology of the HBA.
Domain
0Taken from the second byte of the
N_Port ID of the target device.
On some switches, the second
byte of the N_POrt encodes the
switch port to the connected
device. The encoding method
depends on the switch. See your
switch manual to interpret this
field.
Depends on the Fibre Channel
topology of the HBA.
Area
For LUNs with Peripheral Device Addressing, the value of the field
is always 255.
Depends on the Fibre Channel
topology of the HBA, the target
device, and the LUN addressing
method used.
Port
For other LUN methods, the value
of this field is the Loop ID of the
target device.
For other LUN methods, the value
of this field is the least significant
byte of the N_Port ID of the target
device.
For LUNs with Peripheral Device
Addressing, the value of this field
is the upper 4 bits of the Loop ID
of the target device.
For LUNs with Peripheral Device
Addressing, the value of this field
is the upper 4 bits of the least
significant byte of the N_Port ID
of the target device.
Depends on the Fibre Channel
topology of the HBA, the target
device, and the LUN addressing
method used.
Bus
For LUNs with Logical Unit Addressing, the value is the Bus Number
field of the LUN.
For LUNs with Volume Set Addressing (Flat Space Addressing), the
value are bits 7–13 of the LUN.
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 id the Target field
of the LUN.
For LUNs with Volume Set Addressing (Flat Space Addressing), the
value are bits 3–6 of the LUN.
Depends only on the LUN addressing method used.LUN
Value of LUN field in Fibre Channel hardware path.LUN Addressing Method
The Target or LUN field of the Logical Unit Number.Peripheral Device Addressing
Interpreting hardware paths 21