Which kernel are you using? and which ones have you tried out? On Wed, 2006-11-08 at 11:09 -0700, Phil Meyer wrote: > Huijgen, V.B. wrote: > > > > Does anyone have experience running Fedora 5 or 6 on a Tyan K8QW > > (S4881) with CPU Board M4881, 8 processors and 128 GB ? > > > > Using google, I found that Fedora will probably work with 64 GB but I > > found no confirmation about 128 GB and 8 processors. > > > > As far as I understand from the config file under /boot, there are no > > limitations configured in the kernel for the number of processors and > > for the memory. > > > > Do I need special boot parameters ? > > > > > > > > Vincent > > > > Not specifically, but generally you are correct. > > Specifically you will need to run FC5 or FC5 x86_64 to use more than 4GB > of RAM properly. The upper limit for RAM with x86_64 is not available > to mortals. :) > > The 32 bit versions will see the memory, but applications will be > limited to how much memory they can address so it probably would defeat > the purpose of having that much RAM. > > As far as number of CPUs, again you are generally correct that it should > work. However, I have not tested that specific Mother Board, sorry I > cannot confirm that. > > I have worked with a 4 CPU dual core AMD processor based system such > that they appeared as 8 CPUs with no problems. > > I also see 8 CPUs on an intel 2 Xeon Dual Core system with HT enabled. > > Realistically speaking, you cannot purchase a midrange AMD based server > that FC5 or FC6 could/should not handle. The big CAVEAT is that all > possible hardware combinations, other than CPU and Memory, is not > practical to cover. The Fedora kernels are often criticized for being > large for this very reason. Fedora does try to cover most common hardware. > > You are wise to ask about specifics such as a given Mother Board. > > Good luck! > -- Adam Hough High Performance Computing Computing Services Center 200 225-578-7202 fax: 225-578-6400 ahough@xxxxxxx
