On Mon, May 09, 2005 at 01:12:42PM +0530, Vamsee Krishna Gomatam wrote: > I've recently installed FC4 Test 2. The system is AMD64 (installed > x86_64) on VIA 8237 Mobo. I have one Samsung SATA drive (120GB) on VIA > VT6420 controller and 2 IDE drives of 80GB each. I've performed a > hdparm check on these three drives and got the following results: The sata layer doesn't support cache flush ioctls so the data may be dubious > The performance of SATA drive is not upto the mark. I used to get > better results on FC3. What could be the possible problem and any > ideas on how to solve it? How much difference is there ? Remembering that FC4test will have debugging code paths enabled.