On Mon, 2009-03-23 at 23:22 +0100, Mogens Kjaer wrote: > Greenseid, Joseph M (IS) wrote: > ... > > > From what I can see, this one node is running slow. I don't have any > > MCE entries or anything to indicate a hardware fault, it just started > > running slow one day, and I when I was investigating saw the top > > output and was baffled by it. Have you compared BIOS setups? Something tells me this is like interrupts related. Could even be poorly seated hardware: memory, power or data cables, video, etc. IIRC, BIOS settings can also have an effect there. > > Can you swap the disk drives with a node that works OK? > > Mogens > HTH -- Bill