Messages in this thread | | | Date | Tue, 22 Jul 2008 16:55:03 -0400 (EDT) | From | Justin Piszcz <> | Subject | Re: 128 GiB memory question-- kernel only sees 64GiB? |
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On Tue, 22 Jul 2008, Peter Zijlstra wrote:
> On Tue, 2008-07-22 at 10:21 -0400, Justin Piszcz wrote: >> Hello, >> >> To be able to utilize 128 GiB of memory on a host, does one need to enable >> NUMA support? Currently only 64 GiB is showing up. >> >> As far as machine name/motherboard type, I do not have this information >> currently but I am told there are one or two of these boxes are running >> CentOS 5.x and/or RHEL5/AS. > > Sounds like you need to bug RH with that ;-) > >> Is there something special you need to do to utilize all 128 GiB of >> memory? > > Does a recent kernel work for you? Also, you could at the very least > have mentioned your machine architecture; is it x86_64, ia64 or ppc64? >
Sun X4600, will find out if they are running the right kernel and also check the BIOS, thanks.
Justin.
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