linux scan for new disks code example

Example: Scan new disk in linux

[root@node-1 ~]# echo "- - -" > /sys/class/scsi_host/host0/scan
[root@node-1 ~]# echo "- - -" > /sys/class/scsi_host/host1/scan
[root@node-1 ~]# echo "- - -" > /sys/class/scsi_host/host2/scan