How to find WWN/WWPN Number in RHELinux.

To find WWN/WWPN Number in RHELinux.

Here are the commands to get the wwpn from Qlogic or Emulex.
First check your HBA Card information using my previous blog.

http://shyjug.blogspot.com/2013/11/how-to-find-hba-card-qlogic-emulex-in_17.html

RHEL 3

Emulex card      # cat /proc/scsi/lpfc/host*/port_name
Qlogic card     # cat /proc/scsi/qla2*/* 2>/dev/null | grep "adapter-port"

RHEL 4

Emulex card      # cat /sys/class/scsi_host/host*/port_name
Qlogic card     # cat /proc/scsi/qla2*/* 2>/dev/null | grep "adapter-port"

RHEL 5

Emulex card      # cat /sys/class/fc_host/host*/port_name
Qlogic card     # cat /proc/scsi/qla2*/* 2>/dev/null | grep "adapter-port"

RHEL 6

Emulex card      # cat /sys/class/fc_host/host*/port_name
Qlogic card     # cat /proc/scsi/qla2*/* 2>/dev/null | grep "adapter-port"