Fedora 5 or 6 on Tyan K8QW (S4881) + M4881, 8 processors, 128 GB
Adam Hough
ahough at lsu.edu
Wed Nov 8 18:39:48 UTC 2006
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 at lsu.edu
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