FC4: tape ide problem

[Craig Goodyear]

Dario Lesca wrote:

> How to turn off DMA only for the TAPE ide channel (hdd) and not for the
> harddisk (hda) channel?
> 
> The option which I have found is "ide=nodma" that turn off ALL DMA.

I am able to turn off DMA for only the tape drive using the following 
steps, assuming that the tape drive is hdd:

a) use "MAKEDEV hdd" to create /dev/hdd
b) "cp -a /dev/hdd /etc/udev/devices"
c) add "hdparm -d0 /dev/hdd" to /etc/rc.d/rc.local

Craig