Automatic aggregation of Optical Fiber cards in addition to qlogic in linux

In linux, apart from the automatic aggregation of qlogic Optical Fiber cards-general Linux technology-Linux technology and application information, the following is a detailed description. There are two ways to INSTALL the driver:./INSTALL-f (failover) and./INSTALL-s (single-path)
If you use single-path for installation, modprobe. conf is incorrect when you install powerpath. You can use failover for installation and then make the following changes:
Change the value of failover from 1 to 0 in vi/etc/modprobe. conf and save the settings.
Uname-r view kernel_version
Cd/boot
Mkinitrd new_imagename kernel_version
Vi/boot/grub. conf
View the default value, which indicates to use the following titles, and then modify the initrd value in the corresponding title to the image created above
Restart the system
Then use fdisk-l to view
If you have installed powerpath, use powermt display dev = all to check whether multiple paths have been removed.