List HBAs

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Using systool

  1. To install systool
    # yum install sysfsutils
  2. Use systool to display all WWPNs
    # systool -c fc_host -v | grep port_name
  3. Use systool to display attributes of a specific fc_host
    # systool -ac fc_host <host#> -v


Using lspci

  1. Use lspci to display available HBAs
    # lspci -nn | grep -i hba

Location of defined HBAs

  1. Information regarding the HBAs is located in the following directory
    /sys/class/fc_host/host#/*
    1. View the Port State
    cat /sys/class/fc_host/host#/port_state
    1. View the WWPN
    cat /sys/class/fc_host/host#/port_name
    1. View the Port Speed
    cat /sys/class/fc_host/host#/speed