AB378A Fibre Channel Mass Storage Adapter Installation Guide, February 2007

Fibre Channel Adapter Installation for HP-UX
Interpreting Legacy Hardware Paths (HP-UX 11i v1 and 11i v2)
Chapter 1
15
If all attached devices are not listed or appear as UNCLAIMED, see the Troubleshooting and Maintenance
chapter of the HP Fibre Channel Adapters Support Guide.
Verify that the link speed at both ends of any cable are auto-negotiated to the highest common speed.
Run the fcmsutil /dev/fcd# command to check the link speed.
• If the AB378A is connected to a switch port that is set in ASN mode or set at 4Gb, Link Speed should
display 4Gb.
• If the switch port is set at 2Gb, Link Speed should display 2Gb.
• If the switch port is set at 1Gb, Link Speed should display 1Gb.
Interpreting Legacy Hardware Paths (HP-UX 11i v1 and 11i v2)
Example 1-1, Example 1-2 and Example 1-3 illustrate the Fibre Channel hardware path format:
Example 1-1 Hardware Path for a Public Loop Device
Example 1-2 Hardware Path for a Direct Fabric Attach Device
Example 1-3 Hardware Path for a Private Loop Device
Adapter Area Port Bus Target LUNDomain
0/1/2/0.1.19.255.15.4.0
Adapter Area Port Bus Target LUNDomain
0/1/2/0.1.19.255.0.0.0
Adapter Area Port Bus Target LUNDomain
0/1/2/0.8.0.255.0.1.0