David Mackintosh wrote: > Hi folks, > > I have an HP Proliant 140DL G2 server with what appears to be an IDE > drive in non-DMA mode. Performance on the server is extremely bad > when large amounts of disk activity is taking place. > > I think the problem is that my drive is not in DMA mode: > > # hdparm /dev/hda > This should be /dev/sda and not /dev/hda which means you're most likely using the generic-ide driver and not ata-piix. Google suggests booting with ide0=noprobe ide1=noprobe to make sure the ata-piix driver is used. If you don't want to reinstall then make sure initrd contains the ata-piix driver and that references to /dev/hd* are replaced with /dev/sd* in fstab etc. -tgc