Setting up HBA driver parameter
To set up HBA driver for Linux MPIO, the exact sequence of steps required depends on the operating system used. The setup also depends on the HBA card used.
The following steps are required to set up the HBA driver parameter for Linux MPIO:
Uninstall the built-in drivers.
Install the latest drivers from the vendor’s web site.
Set the driver parameters using the vendor’s CLI Configuration tool.
/etc/modprobe.conffile to set up default parameters for the HBA driver.
Regenerate the initrd (Ram Disk Image) with the HBA driver parameters.
Reboot the host for the new HBA Driver settings to be effective.