[CentOS] CentOS 5.4 x86_64 only detects 32GB RAM while Fedora x86_64 correctly lists 128GB

Nickolay Bunev just4nick at gmail.com
Mon Dec 7 12:35:59 UTC 2009


Hi,
It seems that this links shed light on the question:
http://lists.xensource.com/archives/html/xen-users/2008-08/msg00934.html
http://www.centos.org/docs/5/html/5.1/Virtualization_Guide/ch-virt-hw-support.html

On 12/07/2009 02:05 PM, Diederick Stoffers wrote:
> Hi,
> 
> We have a new 24-core Dell PowerEdge R905 server with 128GB's RAM. The
> 64 bits version of Fedora 12 lists the correct amount of 128GB, CentOS
> only finds 32GB (and so does Scientific Linux). I would much prefer to
> use CentOS (most of the software we use is specifically designed for
> CentOS). Does anyone know what is causing this/how to fix it?
> 
> Many Thanks,
> 
> Diederick
> 
> 
> 
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