Compiling Kernel Support for HBA Failover using Qlogic Drivers

Steps to enable via commandline following boot

Steps to compile in qlogic driver failover and use more than 4G of ram on redhat 3.0.

tar -xvf qla2x00-v7.01.01-dist.tar

cd qlogic

edit qla_settings.h, make MPIO_SUPPORT 1 rather than 0

./drvrinstall

make all SMP=1

make all install

update /etc/modules.conf with these entries

———————————–

alias scsi_hostadapter0 qla2300_conf

alias scsi_hostadapter1 qla2300

alias scsi_hostadapter2 qla2300_conf

alias scsi_hostadapter3 qla2300

options scsi_mod max_scsi_luns=128

options qla2300 ql2xfailover=1

—————————-

modprobe qla2300

mv /boot/initrd-2.4.21-20.ELhugemem.img /boot/initrd-2.4.21-20.ELhugemem.img.orig

mkinitrd -f /boot/initrd-2.4.21-20.ELhugemem.img 2.4.21-20.ELhugemem