Daily tip

How do I list HBA devices and WWN?

#systool -c fc_host -v

or

$lspci |grep -i hba

or write a script containing

if [ -e /sys/class/fc_host ]; then
for HOST in $(ls /sys/class/fc_host)
do cat /sys/class/fc_host/$HOST/node_name
done
else
echo “No fiber host adapter found.”
fi