Dell Compellent Series 40 - Manual (Page 428)

420 Storage Center 5.5 System Manager User Guide
Server HBA Settings
SLES Settings
Non-Boot Environment
1 To the end of the /etc/modprobe.d/qla2xxx file, add:
options qla2xxx qlport_down_retry=65
2 Reload the driver.
Example:
# echo "options qla2xxx qlport_down_retry=65" >> /etc/modprobe.d/qla2xxx
# modprobe -r qla2xxx
# modprobe qla2xxx
Boot Environment
1 To the end of the kernel line in /boot/grub/menu.lst, add:
qla2xxx.qlport_down_retry=65
2 Reboot.
Example:
# vi /boot/grub/menu.lst
# reboot