HP 3PAR X9000 File Serving Software (IBRIX) Implementation Guide (QL226-96987, June 2013)

file to give the same initrd file name that the boot loader boots. To make the changes, you

can issue the mkinitrd command.

# mkinitrd -f -v /boot/initrd-<uname -r>.img <uname -r>

For example:

# mkinitrd -v -f /boot/initrd-`uname -r`.img `uname -r`

3. Perform one of the two following actions to verify that all the required drivers are added to

the ramdisk image:

a. Check the verbose output. For example:

Creating initramfs

. . . .

Looking for deps of module scsi_mod

Looking for deps of module sd_mod: scsi_mod

. . . .

Looking for deps of module qla2xxx: intermodule scsi_mod

Looking for deps of module intermodule

. . . .

Adding module qla2xxx with options qlport_down_retry=1

b. Check the contents of the /etc/grub.conf file with grub as the bootloader so that the

initrd maps to the correct ramdisk image.

# vi /etc/grub.conf

default=<label number>

timeout=5

…

hiddenmenu

title RedHat Enterprise Linux Server (kernel name)

root (hd0,0)

kernel /<kernel name> ro root=LABEL=/ rhgb quiet

initrd /<RamDisImage>

4. Reboot the server after the changes are made and verify the following output to see the changes

are effective on each of the FC port instances.

The following indicates the qlport_down_retry.

# cat /sys/class/fc_remote_ports/rport-X\:X-X/dev_loss_tmo

The following indicates the LUN queue depth

# cat /sys/class/fc_transport/targetX\:X\:X/device/X\:X\:X\:X/queue_depth

In the example above, X:X:X refers to the target port instance on the Fibre Channel HBA.

Installing the QLogic HBA 17