SUSE:
1. Add usb-storage to the initrd module collection by modifying /etc/sysconfig/kernel:
INITRD_MODULES="piix ata_piix uhci-hcd ehci-hcd aic7xxx processor thermal fan jbd ext3 usb-storage sd-mod scsi-mod"
2. "mkinitrd"
3. reboot.


FEDORA: