Hello, Try running below; This command will work for 'emulex' hba cards; #echo "- - -" > /sys/class/scsi_host/host*/scan -Chacra Widyachacra Rajapaksha From: yaşar tunçez <ytuncez@xxxxxxxxx> To: General Red Hat Linux discussion list <redhat-list@xxxxxxxxxx> Date: 05/22/2014 11:39 PM Subject: adding lun without reboot Sent by: redhat-list-bounces@xxxxxxxxxx Hi, I cannot adding a new disk (from storage unit) on Rhel 5.5 without reboot. I run below command; echo "1" > /sys/class/fc_host/host(x)/issue_lip But, it appears "Devloss timeout on WWPN xxxxxx" messages on /var/log/message. hba: emulex Thanks. -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list