PCIe 4/8 GB 2 Port Fibre Channel QLogix Mezz HBA Install Guide, Edition 2, September 2010

NOTE: With HP-UX 11i v3, there is a new option for displaying the hardware path format
called agile (new-style) display format.
In this new display format, there are two components in the hardware path: 1) the target port
worldwide name (for example, 0x50001fe1500d6f3a); and 2) the LUN ID (for example,
0x400100000000000)
To display hardware path information in the agile (new-style) format, use the N option in the
command line; for example, ioscan -fNH /0/4/0/0/0/1 .
Example 3-5 Legacy (pre-HP-UX 11i v3) hardware path for a direct fabric attach device
Example 3-6 Hardware path for a private loop device
Table 7 describes each field in the hardware path.
Table 3-1 Hardware path field descriptions
Fibre channel topologyValueField
Private loopFabric topologies
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
Interpreting hardware paths 21