[CentOS] Re: DMA mode

2008-06-09 Thread Tom G. Christensen
David Mackintosh wrote: On Tue, Jun 03, 2008 at 10:17:14AM +0200, Tom G. Christensen wrote: 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

Re: [CentOS] Re: DMA mode

2008-06-05 Thread David Mackintosh
On Tue, Jun 03, 2008 at 10:17:14AM +0200, Tom G. Christensen wrote: > 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 repl

Re: [CentOS] Re: DMA mode

2008-06-03 Thread Paul Schoonderwoerd
On Tuesday 03 June 2008 10:17, Tom G. Christensen wrote: > 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 plac

[CentOS] Re: DMA mode

2008-06-03 Thread Tom G. Christensen
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/