LUN re-scans Linux Red Hat RHEL

 LUN re-scans  RHEL

1.- Validate the fc_host that you are using for the disks on the server
# ls /sys/class/fc_host
host0 host1

 2.-Execute the command in both fc_host in order to scan them.

#echo "1" > /sys/class/fc_host/host0/issue_lip
#echo "- - -" > /sys/class/scsi_host/host0/scan


#echo "1" > /sys/class/fc_host/host1/issue_lip
#echo "- - -" > /sys/class/scsi_host/host1/scan

3.-Validate that you have the new disks on the server

# fdisk -l