I have almost the same setup, hehe. Any way, i was running into the same problem, and I found an answer on redhats kb, so give Dan Haines credit for this, but his instruction were to build another ramdisk, using the option --preload=driver. So for me i put this
Code:
mkinitrd -f -v --preload=aacraid initrd-2.4.21-15.0.4.ELsmp.img 2.4.21-15.0.4.ELsmp
Hope this helps
--mexashaggy